| /SPARTAN/trunk/arch/mips/include/mm/asid.h |
|---|
| 0,0 → 1,34 |
| /* |
| * Copyright (C) 2005 Matrin Decky |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * - The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| #ifndef __mips_ASID_H__ |
| #define __mips_ASID_H__ |
| extern void asid_bitmap_reset(void); |
| #endif |
| /SPARTAN/trunk/arch/mips/include/mm/page.h |
|---|
| 0,0 → 1,113 |
| /* |
| * Copyright (C) 2001-2004 Jakub Jermar |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * - The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| #ifndef __mips_PAGE_H__ |
| #define __mips_PAGE_H__ |
| #include <arch/mm/tlb.h> |
| #include <mm/page.h> |
| #include <arch/mm/frame.h> |
| #include <arch/types.h> |
| #include <arch.h> |
| #define PAGE_SIZE FRAME_SIZE |
| #define KA2PA(x) ((x) - 0x80000000) |
| #define PA2KA(x) ((x) + 0x80000000) |
| /* |
| * Implementation of generic 4-level page table interface. |
| * NOTE: this implementation is under construction |
| * |
| * Page table layout: |
| * - 32-bit virtual addresses |
| * - Offset is 14 bits => pages are 16K long |
| * - PTE's use the same format as CP0 EntryLo[01] registers => PTE is therefore 4 bytes long |
| * - PTL0 has 64 entries (6 bits) |
| * - PTL1 is not used |
| * - PTL2 is not used |
| * - PTL3 has 4096 entries (12 bits) |
| */ |
| #define PTL0_INDEX_ARCH(vaddr) ((vaddr)>>26) |
| #define PTL1_INDEX_ARCH(vaddr) 0 |
| #define PTL2_INDEX_ARCH(vaddr) 0 |
| #define PTL3_INDEX_ARCH(vaddr) (((vaddr)>>14)&0xfff) |
| #define GET_PTL0_ADDRESS_ARCH() (PTL0) |
| #define SET_PTL0_ADDRESS_ARCH(ptl0) (PTL0 = (pte_t *)(ptl0)) |
| #define GET_PTL1_ADDRESS_ARCH(ptl0, i) (((pte_t *)(ptl0))[(i)].pfn<<14) |
| #define GET_PTL2_ADDRESS_ARCH(ptl1, i) (ptl1) |
| #define GET_PTL3_ADDRESS_ARCH(ptl2, i) (ptl2) |
| #define GET_FRAME_ADDRESS_ARCH(ptl3, i) (((pte_t *)(ptl3))[(i)].pfn<<14) |
| #define SET_PTL1_ADDRESS_ARCH(ptl0, i, a) (((pte_t *)(ptl0))[(i)].pfn = (a)>>14) |
| #define SET_PTL2_ADDRESS_ARCH(ptl1, i, a) |
| #define SET_PTL3_ADDRESS_ARCH(ptl2, i, a) |
| #define SET_FRAME_ADDRESS_ARCH(ptl3, i, a) (((pte_t *)(ptl3))[(i)].pfn = (a)>>14) |
| #define GET_PTL1_FLAGS_ARCH(ptl0, i) get_pt_flags((pte_t *)(ptl0), (index_t)(i)) |
| #define GET_PTL2_FLAGS_ARCH(ptl1, i) PAGE_PRESENT |
| #define GET_PTL3_FLAGS_ARCH(ptl2, i) PAGE_PRESENT |
| #define GET_FRAME_FLAGS_ARCH(ptl3, i) get_pt_flags((pte_t *)(ptl3), (index_t)(i)) |
| #define SET_PTL1_FLAGS_ARCH(ptl0, i, x) set_pt_flags((pte_t *)(ptl0), (index_t)(i), (x)) |
| #define SET_PTL2_FLAGS_ARCH(ptl1, i, x) |
| #define SET_PTL3_FLAGS_ARCH(ptl2, i, x) |
| #define SET_FRAME_FLAGS_ARCH(ptl3, i, x) set_pt_flags((pte_t *)(ptl3), (index_t)(i), (x)) |
| static inline int get_pt_flags(pte_t *pt, index_t i) |
| { |
| pte_t *p = &pt[i]; |
| return ( |
| ((p->c>PAGE_UNCACHED)<<PAGE_CACHEABLE_SHIFT) | |
| ((!p->v)<<PAGE_PRESENT_SHIFT) | |
| (1<<PAGE_USER_SHIFT) | |
| (1<<PAGE_READ_SHIFT) | |
| ((p->d)<<PAGE_WRITE_SHIFT) | |
| (1<<PAGE_EXEC_SHIFT) |
| ); |
| } |
| static inline void set_pt_flags(pte_t *pt, index_t i, int flags) |
| { |
| pte_t *p = &pt[i]; |
| p->c = (flags & PAGE_CACHEABLE) ? PAGE_CACHEABLE_EXC_WRITE : PAGE_UNCACHED; |
| p->v = !(flags & PAGE_NOT_PRESENT); |
| p->d = flags & PAGE_WRITE; |
| } |
| extern void page_arch_init(void); |
| extern pte_t *PTL0; |
| #endif |
| /SPARTAN/trunk/arch/mips/include/mm/frame.h |
|---|
| 0,0 → 1,36 |
| /* |
| * Copyright (C) 2005 Jakub Jermar |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * - The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| #ifndef __mips_FRAME_H__ |
| #define __mips_FRAME_H__ |
| #define FRAME_SIZE 16384 |
| extern void frame_arch_init(void); |
| #endif |
| /SPARTAN/trunk/arch/mips/include/mm/tlb.h |
|---|
| 0,0 → 1,69 |
| /* |
| * Copyright (C) 2001-2004 Jakub Jermar |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * - The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| #ifndef __mips_TLB_H__ |
| #define __mips_TLB_H__ |
| #define PAGE_UNCACHED 2 |
| #define PAGE_CACHEABLE_EXC_WRITE 5 |
| struct entry_lo { |
| unsigned g : 1; /* global bit */ |
| unsigned v : 1; /* valid bit */ |
| unsigned d : 1; /* dirty/write-protect bit */ |
| unsigned c : 3; /* cache coherency attribute */ |
| unsigned pfn : 24; /* frame number */ |
| unsigned : 2; |
| } __attribute__ ((packed)); |
| struct entry_hi { |
| unsigned asid : 8; |
| unsigned : 4; |
| unsigned g : 1; |
| unsigned vpn2 : 19; |
| } __attribute__ ((packed)); |
| struct page_mask { |
| unsigned : 13; |
| unsigned mask : 12; |
| unsigned : 7; |
| } __attribute__ ((packed)); |
| struct tlb_entry { |
| struct entry_lo lo0; |
| struct entry_lo lo1; |
| struct entry_hi hi; |
| struct page_mask mask; |
| } __attribute__ ((packed)); |
| typedef struct entry_lo pte_t; |
| extern void tlb_refill(void); |
| extern void tlb_invalid(void); |
| #endif |
| /SPARTAN/trunk/arch/mips/include/mm/vm.h |
|---|
| 0,0 → 1,43 |
| /* |
| * Copyright (C) 2005 Jakub Jermar |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * - The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| #ifndef __mips_VM_H__ |
| #define __mips_VM_H__ |
| #include <arch/types.h> |
| #define KERNEL_ADDRESS_SPACE_START_ARCH (__address) 0x80000000 |
| #define KERNEL_ADDRESS_SPACE_END_ARCH (__address) 0xffffffff |
| #define USER_ADDRESS_SPACE_START_ARCH (__address) 0x00000000 |
| #define USER_ADDRESS_SPACE_END_ARCH (__address) 0x7fffffff |
| #define UTEXT_ADDRESS_ARCH 0x00001000 |
| #define USTACK_ADDRESS_ARCH (0x7fffffff-(PAGE_SIZE-1)) |
| #define UDATA_ADDRESS_ARCH 0x01001000 |
| #endif |
| /SPARTAN/trunk/arch/mips/include/context.h |
|---|
| 0,0 → 1,73 |
| /* |
| * Copyright (C) 2001-2004 Jakub Jermar |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * - The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| #ifndef __mips_CONTEXT_H__ |
| #define __mips_CONTEXT_H__ |
| #include <arch/types.h> |
| #define SP_DELTA 0 |
| struct context { |
| __u32 r0; |
| __u32 r1; |
| __u32 r2; |
| __u32 r3; |
| __u32 r4; |
| __u32 r5; |
| __u32 r6; |
| __u32 r7; |
| __u32 r8; |
| __u32 r9; |
| __u32 r10; |
| __u32 r11; |
| __u32 r12; |
| __u32 r13; |
| __u32 r14; |
| __u32 r15; |
| __u32 r16; |
| __u32 r17; |
| __u32 r18; |
| __u32 r19; |
| __u32 r20; |
| __u32 r21; |
| __u32 r22; |
| __u32 r23; |
| __u32 r24; |
| __u32 r25; |
| __u32 r26; |
| __u32 r27; |
| __u32 r28; |
| __u32 sp; |
| __u32 r30; |
| __u32 pc; |
| __u32 pri; |
| }; |
| #endif |
| /SPARTAN/trunk/arch/mips/include/cpu.h |
|---|
| 0,0 → 1,41 |
| /* |
| * Copyright (C) 2001-2004 Jakub Jermar |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * - The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| #ifndef __mips_CPU_H__ |
| #define __mips_CPU_H__ |
| #include <typedefs.h> |
| #define CPU_ID_ARCH 0 |
| struct cpu_arch { |
| int imp_num; |
| int rev_num; |
| }; |
| #endif |
| /SPARTAN/trunk/arch/mips/include/exception.h |
|---|
| 0,0 → 1,53 |
| /* |
| * Copyright (C) 2001-2004 Jakub Jermar |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * - The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| #ifndef __EXCEPTION_H__ |
| #define __EXCEPTION_H__ |
| #define EXC_Int 0 |
| #define EXC_Mod 1 |
| #define EXC_TLBL 2 |
| #define EXC_TLBS 3 |
| #define EXC_AdEL 4 |
| #define EXC_AdES 5 |
| #define EXC_IBE 6 |
| #define EXC_DBE 7 |
| #define EXC_Sys 8 |
| #define EXC_Bp 9 |
| #define EXC_RI 10 |
| #define EXC_CpU 11 |
| #define EXC_Ov 12 |
| #define EXC_Tr 13 |
| #define EXC_VCEI 14 |
| #define EXC_FPE 15 |
| #define EXC_WATCH 23 |
| #define EXC_VCED 31 |
| extern void exception(void); |
| #endif |
| /SPARTAN/trunk/arch/mips/include/atomic.h |
|---|
| 0,0 → 1,96 |
| /* |
| * Copyright (C) 2005 Ondrej Palkovsky |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * - The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| #ifndef __MIPS_ATOMIC_H__ |
| #define __MIPS_ATOMIC_H__ |
| #define atomic_inc(x) (a_add(x,1)) |
| #define atomic_dec(x) (a_sub(x,1)) |
| /* |
| * Atomic addition |
| * |
| * This case is harder, and we have to use the special LL and SC operations |
| * to achieve atomicity. The instructions are similar to LW (load) and SW |
| * (store), except that the LL (load-linked) instruction loads the address |
| * of the variable to a special register and if another process writes to |
| * the same location, the SC (store-conditional) instruction fails. |
| */ |
| static inline int a_add( volatile int *val, int i) |
| { |
| int tmp, tmp2; |
| asm volatile ( |
| " .set push\n" |
| " .set noreorder\n" |
| " nop\n" |
| "1:\n" |
| " ll %0, %1\n" |
| " addu %0, %0, %2\n" |
| " move %3, %0\n" |
| " sc %0, %1\n" |
| " beq %0, 0x0, 1b\n" |
| " move %0, %3\n" |
| " .set pop\n" |
| : "=&r" (tmp), "=o" (*val) |
| : "r" (i), "r" (tmp2) |
| ); |
| return tmp; |
| } |
| /* |
| * Atomic subtraction |
| * |
| * Implemented in the same manner as a_add, except we substract the value. |
| */ |
| static inline int a_sub( volatile int *val, int i) |
| { |
| int tmp, tmp2; |
| asm volatile ( |
| " .set push\n" |
| " .set noreorder\n" |
| " nop\n" |
| "1:\n" |
| " ll %0, %1\n" |
| " subu %0, %0, %2\n" |
| " move %3, %0\n" |
| " sc %0, %1\n" |
| " beq %0, 0x0, 1b\n" |
| " move %0, %3\n" |
| " .set pop\n" |
| : "=&r" (tmp), "=o" (*val) |
| : "r" (i), "r" (tmp2) |
| ); |
| return tmp; |
| } |
| #endif |
| /SPARTAN/trunk/arch/mips/include/fpu_context.h |
|---|
| 0,0 → 1,41 |
| /* |
| * Copyright (C) 2005 Jakub Vana |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * - The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| #ifndef __mips_FPU_CONTEXT_H__ |
| #define __mips_FPU_CONTEXT_H__ |
| #include <arch/types.h> |
| struct fpu_context { |
| /* TODO: define MIPS FPU context */ |
| }; |
| #endif |
| /SPARTAN/trunk/arch/mips/include/faddr.h |
|---|
| 0,0 → 1,36 |
| /* |
| * Copyright (C) 2005 Jakub Jermar |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * - The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| #ifndef __mips_FADDR_H__ |
| #define __mips_FADDR_H__ |
| #include <arch/types.h> |
| #define FADDR(fptr) ((__address) (fptr)) |
| #endif |
| /SPARTAN/trunk/arch/mips/include/arg.h |
|---|
| 0,0 → 1,34 |
| /* |
| * Copyright (C) 2005 Jakub Jermar |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * - The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| #ifndef __mips_ARG_H__ |
| #define __mips_ARG_H__ |
| #include <stackarg.h> |
| #endif |
| /SPARTAN/trunk/arch/mips/include/types.h |
|---|
| 0,0 → 1,47 |
| /* |
| * Copyright (C) 2001-2004 Jakub Jermar |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * - The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| #ifndef __TYPES_H__ |
| #define __TYPES_H__ |
| #define NULL 0 |
| typedef signed char __s8; |
| typedef unsigned char __u8; |
| typedef unsigned short __u16; |
| typedef unsigned long __u32; |
| typedef long long __u64; |
| typedef __u32 __address; |
| typedef __u32 pri_t; |
| typedef __u32 __native; |
| #endif |
| /SPARTAN/trunk/arch/mips/include/asm/macro.h |
|---|
| 0,0 → 1,101 |
| /* |
| * Copyright (C) 2001-2004 Jakub Jermar |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * - The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| /* |
| * MIPS assembler macros |
| */ |
| .macro REGISTERS_STORE r |
| sw $0,0(\r) |
| sw $1,4(\r) |
| sw $2,8(\r) # meaningless |
| sw $3,12(\r) |
| sw $4,16(\r) |
| sw $5,20(\r) |
| sw $6,24(\r) |
| sw $7,28(\r) |
| sw $8,32(\r) |
| sw $9,36(\r) |
| sw $10,40(\r) |
| sw $11,44(\r) |
| sw $12,48(\r) |
| sw $13,52(\r) |
| sw $14,56(\r) |
| sw $15,60(\r) |
| sw $16,64(\r) |
| sw $17,68(\r) |
| sw $18,72(\r) |
| sw $19,76(\r) |
| sw $20,80(\r) |
| sw $21,84(\r) |
| sw $22,88(\r) |
| sw $23,92(\r) |
| sw $24,96(\r) |
| sw $25,100(\r) |
| sw $26,104(\r) |
| sw $27,108(\r) |
| sw $28,112(\r) |
| sw $29,116(\r) |
| sw $30,120(\r) |
| sw $31,124(\r) |
| .endm |
| .macro REGISTERS_LOAD r |
| lw $0,0(\r) |
| lw $1,4(\r) |
| lw $2,8(\r) # meaningless |
| lw $3,12(\r) |
| lw $4,16(\r) # this is ok, $4 == 16(\r) |
| lw $5,20(\r) |
| lw $6,24(\r) |
| lw $7,28(\r) |
| lw $8,32(\r) |
| lw $9,36(\r) |
| lw $10,40(\r) |
| lw $11,44(\r) |
| lw $12,48(\r) |
| lw $13,52(\r) |
| lw $14,56(\r) |
| lw $15,60(\r) |
| lw $16,64(\r) |
| lw $17,68(\r) |
| lw $18,72(\r) |
| lw $19,76(\r) |
| lw $20,80(\r) |
| lw $21,84(\r) |
| lw $22,88(\r) |
| lw $23,92(\r) |
| lw $24,96(\r) |
| lw $25,100(\r) |
| lw $26,104(\r) |
| lw $27,108(\r) |
| lw $28,112(\r) |
| lw $29,116(\r) |
| lw $30,120(\r) |
| lw $31,124(\r) |
| .endm |
| /SPARTAN/trunk/arch/mips/include/interrupt.h |
|---|
| 0,0 → 1,34 |
| /* |
| * Copyright (C) 2001-2004 Jakub Jermar |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * - The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| #ifndef __INTERRUPT_H__ |
| #define __INTERRUPT_H__ |
| extern void interrupt(void); |
| #endif |
| /SPARTAN/trunk/arch/mips/include/asm.h |
|---|
| 0,0 → 1,34 |
| /* |
| * Copyright (C) 2001-2004 Jakub Jermar |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * - The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| #ifndef __MIPS_ASM_H__ |
| #define __MIPS_ASM_H__ |
| #define cpu_sleep() ; |
| #endif |
| /SPARTAN/trunk/arch/mips/include/cp0.h |
|---|
| 0,0 → 1,93 |
| /* |
| * Copyright (C) 2001-2004 Jakub Jermar |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * - The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| #ifndef __CP0_H__ |
| #define __CP0_H__ |
| #include <arch/types.h> |
| #define cp0_status_ie_enabled_bit (1<<0) |
| #define cp0_status_exl_exception_bit (1<<1) |
| #define cp0_status_erl_error_bit (1<<2) |
| #define cp0_status_bev_bootstrap_bit (1<<22) |
| #define cp0_status_im7_shift 15 |
| /* |
| * Magic value for use in msim. |
| * On AMD Duron 800Mhz, this roughly seems like one us. |
| */ |
| #define cp0_compare_value 10000 |
| extern __u32 cp0_index_read(void); |
| extern void cp0_idnex_write(__u32 val); |
| extern __u32 cp0_random_read(void); |
| extern __u32 cp0_entry_lo0_read(void); |
| extern void cp0_entry_lo0_write(__u32 val); |
| extern __u32 cp0_entry_lo1_read(void); |
| extern void cp0_entry_lo1_write(__u32 val); |
| extern __u32 cp0_context_read(void); |
| extern void cp0_context_write(__u32 val); |
| extern __u32 cp0_pagemask_read(void); |
| extern void cp0_pagemask_write(__u32 val); |
| extern __u32 cp0_wired_read(void); |
| extern void cp0_wired_write(__u32 val); |
| extern __u32 cp0_badvaddr_read(void); |
| extern volatile __u32 cp0_count_read(void); |
| extern void cp0_count_write(__u32 val); |
| extern volatile __u32 cp0_entry_hi_read(void); |
| extern void cp0_entry_hi_write(__u32 val); |
| extern volatile __u32 cp0_compare_read(void); |
| extern void cp0_compare_write(__u32 val); |
| extern __u32 cp0_status_read(void); |
| extern void cp0_status_write(__u32 val); |
| extern __u32 cp0_cause_read(void); |
| extern void cp0_cause_write(__u32 val); |
| extern __u32 cp0_epc_read(void); |
| extern void cp0_epc_write(__u32 val); |
| extern __u32 cp0_prid_read(void); |
| extern void tlbp(void); |
| extern void tlbr(void); |
| extern void tlbwi(void); |
| extern void tlbwr(void); |
| #endif |
| /SPARTAN/trunk/arch/mips/include/cache.h |
|---|
| 0,0 → 1,34 |
| /* |
| * Copyright (C) 2001-2004 Jakub Jermar |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * - The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| #ifndef __CACHE_H__ |
| #define __CACHE_H__ |
| extern void cache_error(void); |
| #endif |
| /SPARTAN/trunk/arch/mips/include/thread.h |
|---|
| 0,0 → 1,36 |
| /* |
| * Copyright (C) 2001-2004 Jakub Jermar |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * - The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| #ifndef __mips_THREAD_H__ |
| #define __mips_THREAD_H__ |
| #define ARCH_THREAD_DATA \ |
| pri_t saved_pri; \ |
| __u32 saved_epc; |
| #endif |
| /SPARTAN/trunk/arch/mips/boot/boot.s |
|---|
| 0,0 → 1,44 |
| # |
| # Copyright (C) 2001-2004 Jakub Jermar |
| # All rights reserved. |
| # |
| # Redistribution and use in source and binary forms, with or without |
| # modification, are permitted provided that the following conditions |
| # are met: |
| # |
| # - Redistributions of source code must retain the above copyright |
| # notice, this list of conditions and the following disclaimer. |
| # - Redistributions in binary form must reproduce the above copyright |
| # notice, this list of conditions and the following disclaimer in the |
| # documentation and/or other materials provided with the distribution. |
| # - The name of the author may not be used to endorse or promote products |
| # derived from this software without specific prior written permission. |
| # |
| # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| # |
| .text |
| .set noat |
| .set noreorder |
| .set nomacro |
| .global start |
| start: |
| # move 0x80000000 to reg $8 |
| lui $8, 0x8000 |
| # prepare stack |
| lui $29, 0x8100 |
| j $8 |
| nop |
| /SPARTAN/trunk/arch/mips/boot/Makefile |
|---|
| 0,0 → 1,24 |
| MIPS_BINUTILS_DIR=/usr/local/mipsel/bin |
| MIPS_TARGET=mipsel-linux-gnu |
| .PHONY: nothing build |
| nothing: |
| build: boot.bin |
| cp boot.bin ../../../src/load.bin |
| AS=$(MIPS_BINUTILS_DIR)/$(MIPS_TARGET)-as |
| LD=$(MIPS_BINUTILS_DIR)/$(MIPS_TARGET)-ld |
| ASFLAGS=-mips2 |
| LFLAGS=--oformat=binary -mips2 -e start |
| boot.bin: boot.o |
| $(LD) $(LFLAGS) boot.o -o $@ |
| boot.o: |
| $(AS) boot.s -o $@ |
| clean: |
| -rm *.o *.bin |
| /SPARTAN/trunk/arch/mips/Makefile.inc |
|---|
| 0,0 → 1,32 |
| MIPS_TARGET=mipsel-linux-gnu |
| MIPS_CC_DIR=/usr/local/mipsel/bin |
| MIPS_BINUTILS_DIR=/usr/local/mipsel/bin |
| CC=$(MIPS_CC_DIR)/$(MIPS_TARGET)-gcc |
| AS=$(MIPS_BINUTILS_DIR)/$(MIPS_TARGET)-as |
| LD=$(MIPS_BINUTILS_DIR)/$(MIPS_TARGET)-ld |
| ASFLAGS=-mips3 |
| DEFS=-DARCH=$(ARCH) |
| CPPFLAGS=$(DEFS) -nostdinc -mxgot -I../include |
| CFLAGS=$(CPPFLAGS) -mips2 -G 0 -nostdlib -fno-builtin -Wmissing-prototypes -Werror -O2 |
| LFLAGS=-mips2 -M -no-check-sections -T ../arch/mips/_link.ld |
| arch_sources= \ |
| arch/start.S \ |
| arch/context.S \ |
| arch/panic.s \ |
| arch/mips.c \ |
| arch/fake.s \ |
| arch/putchar.c \ |
| arch/asm.s \ |
| arch/exception.c \ |
| arch/interrupt.c \ |
| arch/cache.c \ |
| arch/cpu/cpu.c \ |
| arch/mm/frame.c \ |
| arch/mm/page.c \ |
| arch/mm/tlb.c \ |
| arch/fpu_context.c |
| /SPARTAN/trunk/arch/mips/src/mm/asid.c |
|---|
| 0,0 → 1,56 |
| /* |
| * Copyright (C) 2005 Martin Decky |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * - The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| #include <arch.h> |
| #include <memstr.h> |
| /**< Array of threads that have currently some ASID assigned, |
| NULL means no thread have ASID with number of that index assigned */ |
| struct thread * asids[256]; |
| int last_asid; /**< The number of last assigned ASID */ |
| int asid_bitmap[32]; /**< Bitmap of ASIDs currently in TLB */ |
| /** Cleanup asid_bitmap |
| * |
| */ |
| void asid_bitmap_reset(void) |
| { |
| memsetb(asid_bitmap, sizeof(asid_bitmap), 0); |
| } |
| /** Initialize manipulating with ASIDs |
| * |
| */ |
| void init_asids(void) |
| { |
| memsetb(asids, sizeof(asids), 0); |
| asid_bitmap_reset(); |
| last_asid = 0; |
| } |
| /SPARTAN/trunk/arch/mips/src/mm/tlb.c |
|---|
| 0,0 → 1,64 |
| /* |
| * Copyright (C) 2001-2004 Jakub Jermar |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * - The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| #include <arch/mm/tlb.h> |
| #include <arch/mm/asid.h> |
| #include <mm/tlb.h> |
| #include <arch/cp0.h> |
| #include <panic.h> |
| #include <arch.h> |
| int bootstrap = 1; |
| void tlb_refill(void) |
| { |
| if (bootstrap) { |
| bootstrap = 0; |
| main_bsp(); |
| } |
| panic("tlb_refill exception\n"); |
| } |
| void tlb_invalid(void) |
| { |
| panic("%X: TLB exception at %X", cp0_badvaddr_read(), THREAD ? THREAD->saved_epc : 0); |
| } |
| void tlb_invalidate(int asid) |
| { |
| pri_t pri; |
| pri = cpu_priority_high(); |
| asid_bitmap_reset(); |
| // TODO |
| cpu_priority_restore(pri); |
| } |
| /SPARTAN/trunk/arch/mips/src/mm/page.c |
|---|
| 0,0 → 1,45 |
| /* |
| * Copyright (C) 2001-2004 Jakub Jermar |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * - The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| #include <arch/types.h> |
| #include <arch/mm/page.h> |
| #include <arch/mm/frame.h> |
| #include <mm/frame.h> |
| #include <mm/page.h> |
| pte_t *PTL0 = NULL; |
| void page_arch_init(void) |
| { |
| __address ptl0; |
| ptl0 = frame_alloc(FRAME_KA | FRAME_PANIC); |
| memsetb(ptl0, FRAME_SIZE, 0); |
| SET_PTL0_ADDRESS(KA2PA(ptl0)); |
| } |
| /SPARTAN/trunk/arch/mips/src/mm/frame.c |
|---|
| 0,0 → 1,34 |
| /* |
| * Copyright (C) 2005 Jakub Jermar |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * - The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| #include <arch/mm/frame.h> |
| #include <mm/frame.h> |
| void frame_arch_init(void) |
| { |
| } |
| /SPARTAN/trunk/arch/mips/src/cpu/cpu.c |
|---|
| 0,0 → 1,94 |
| /* |
| * Copyright (C) 2001-2004 Jakub Jermar |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * - The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| #include <arch/cpu.h> |
| #include <cpu.h> |
| #include <arch.h> |
| #include <arch/cp0.h> |
| #include <typedefs.h> |
| struct { |
| char *vendor; |
| char *model; |
| } imp_data[] = { |
| { "Invalid", "Invalid" }, /* 0x00 */ |
| { "MIPS", "R2000" }, /* 0x01 */ |
| { "MIPS", "R3000" }, /* 0x02 */ |
| { "MIPS", "R6000" }, /* 0x03 */ |
| { "MIPS", " R4000/R4400" }, /* 0x04 */ |
| { "LSI Logic", "R3000" }, /* 0x05 */ |
| { "MIPS", "R6000A" }, /* 0x06 */ |
| { "IDT", "3051/3052" }, /* 0x07 */ |
| { "Invalid", "Invalid" }, /* 0x08 */ |
| { "MIPS", "R10000/T5" }, /* 0x09 */ |
| { "MIPS", "R4200" }, /* 0x0a */ |
| { "Unknown", "Unknown" }, /* 0x0b */ |
| { "Unknown", "Unknown" }, /* 0x0c */ |
| { "Invalid", "Invalid" }, /* 0x0d */ |
| { "Invalid", "Invalid" }, /* 0x0e */ |
| { "Invalid", "Invalid" }, /* 0x0f */ |
| { "MIPS", "R8000" }, /* 0x10 */ |
| { "Invalid", "Invalid" }, /* 0x11 */ |
| { "Invalid", "Invalid" }, /* 0x12 */ |
| { "Invalid", "Invalid" }, /* 0x13 */ |
| { "Invalid", "Invalid" }, /* 0x14 */ |
| { "Invalid", "Invalid" }, /* 0x15 */ |
| { "Invalid", "Invalid" }, /* 0x16 */ |
| { "Invalid", "Invalid" }, /* 0x17 */ |
| { "Invalid", "Invalid" }, /* 0x18 */ |
| { "Invalid", "Invalid" }, /* 0x19 */ |
| { "Invalid", "Invalid" }, /* 0x1a */ |
| { "Invalid", "Invalid" }, /* 0x1b */ |
| { "Invalid", "Invalid" }, /* 0x1c */ |
| { "Invalid", "Invalid" }, /* 0x1d */ |
| { "Invalid", "Invalid" }, /* 0x1e */ |
| { "Invalid", "Invalid" }, /* 0x1f */ |
| { "QED", "R4600" }, /* 0x20 */ |
| { "Sony", "R3000" }, /* 0x21 */ |
| { "Toshiba", "R3000" }, /* 0x22 */ |
| { "NKK", "R3000" } /* 0x23 */ |
| }; |
| void cpu_arch_init(void) |
| { |
| } |
| void cpu_identify(void) |
| { |
| CPU->arch.rev_num = cp0_prid_read() & 0xff; |
| CPU->arch.imp_num = (cp0_prid_read() >> 8) & 0xff; |
| } |
| void cpu_print_report(cpu_t *m) |
| { |
| printf("cpu%d: %s %s (rev=%d.%d, imp=%d)\n", |
| m->id, imp_data[m->arch.imp_num].vendor, imp_data[m->arch.imp_num].model, m->arch.rev_num >> 4, m->arch.rev_num & 0xf, m->arch.imp_num); |
| } |
| /SPARTAN/trunk/arch/mips/src/mips.c |
|---|
| 0,0 → 1,59 |
| /* |
| * Copyright (C) 2001-2004 Jakub Jermar |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * - The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| #include <arch.h> |
| #include <arch/cp0.h> |
| #include <arch/exception.h> |
| void arch_pre_mm_init(void) |
| { |
| /* |
| * Switch to BEV normal level so that exception vectors point to the kernel. |
| * Clear the error level. |
| */ |
| cp0_status_write(cp0_status_read() & ~(cp0_status_bev_bootstrap_bit|cp0_status_erl_error_bit)); |
| /* |
| * Unmask hardware clock interrupt. |
| */ |
| cp0_status_write(cp0_status_read() | (1<<cp0_status_im7_shift)); |
| /* |
| * Start hardware clock. |
| */ |
| cp0_compare_write(cp0_compare_value); |
| cp0_count_write(0); |
| } |
| void arch_post_mm_init(void) |
| { |
| } |
| void arch_late_init(void) |
| { |
| } |
| /SPARTAN/trunk/arch/mips/src/interrupt.c |
|---|
| 0,0 → 1,95 |
| /* |
| * Copyright (C) 2001-2004 Jakub Jermar |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * - The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| #include <arch/interrupt.h> |
| #include <arch/types.h> |
| #include <arch.h> |
| #include <arch/cp0.h> |
| #include <time/clock.h> |
| #include <panic.h> |
| pri_t cpu_priority_high(void) |
| { |
| pri_t pri = (pri_t) cp0_status_read(); |
| cp0_status_write(pri & ~cp0_status_ie_enabled_bit); |
| return pri; |
| } |
| pri_t cpu_priority_low(void) |
| { |
| pri_t pri = (pri_t) cp0_status_read(); |
| cp0_status_write(pri | cp0_status_ie_enabled_bit); |
| return pri; |
| } |
| void cpu_priority_restore(pri_t pri) |
| { |
| cp0_status_write(cp0_status_read() | (pri & cp0_status_ie_enabled_bit)); |
| } |
| pri_t cpu_priority_read(void) |
| { |
| return cp0_status_read(); |
| } |
| void interrupt(void) |
| { |
| __u32 cause; |
| int i; |
| /* decode interrupt number and process the interrupt */ |
| cause = (cp0_cause_read() >> 8) &0xff; |
| for (i = 0; i < 8; i++) { |
| if (cause & (1 << i)) { |
| switch (i) { |
| case 0: /* SW0 - Software interrupt 0 */ |
| cp0_cause_write(cause & ~(1 << 8)); /* clear SW0 interrupt */ |
| break; |
| case 1: /* SW1 - Software interrupt 1 */ |
| cp0_cause_write(cause & ~(1 << 9)); /* clear SW1 interrupt */ |
| break; |
| case 2: /* IRQ0 */ |
| case 3: /* IRQ1 */ |
| case 4: /* IRQ2 */ |
| case 5: /* IRQ3 */ |
| case 6: /* IRQ4 */ |
| panic("unhandled interrupt %d\n", i); |
| break; |
| case 7: /* Timer Interrupt */ |
| cp0_compare_write(cp0_compare_value); /* clear timer interrupt */ |
| /* start counting over again */ |
| cp0_count_write(0); |
| clock(); |
| break; |
| } |
| } |
| } |
| } |
| /SPARTAN/trunk/arch/mips/src/start.S |
|---|
| 0,0 → 1,91 |
| # |
| # Copyright (C) 2001-2004 Jakub Jermar |
| # All rights reserved. |
| # |
| # Redistribution and use in source and binary forms, with or without |
| # modification, are permitted provided that the following conditions |
| # are met: |
| # |
| # - Redistributions of source code must retain the above copyright |
| # notice, this list of conditions and the following disclaimer. |
| # - Redistributions in binary form must reproduce the above copyright |
| # notice, this list of conditions and the following disclaimer in the |
| # documentation and/or other materials provided with the distribution. |
| # - The name of the author may not be used to endorse or promote products |
| # derived from this software without specific prior written permission. |
| # |
| # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| # |
| #include <arch/asm/macro.h> |
| #define STACK_SPACE 128 |
| .text |
| .set noat |
| .set noreorder |
| .set nomacro |
| .global kernel_image_start |
| .global tlb_refill_entry |
| .global cache_error_entry |
| .global exception_entry |
| .org 0x0 |
| kernel_image_start: |
| tlb_refill_entry: |
| j tlb_refill_handler |
| nop |
| .org 0x100 |
| cache_error_entry: |
| j cache_error_handler |
| nop |
| .org 0x180 |
| exception_entry: |
| exception_handler: |
| sub $29, STACK_SPACE |
| REGISTERS_STORE $29 |
| jal exception |
| nop |
| REGISTERS_LOAD $29 |
| add $29, STACK_SPACE |
| eret |
| tlb_refill_handler: |
| sub $29, STACK_SPACE |
| REGISTERS_STORE $29 |
| jal tlb_refill |
| nop |
| REGISTERS_LOAD $29 |
| add $29, STACK_SPACE |
| eret |
| cache_error_handler: |
| sub $29, STACK_SPACE |
| REGISTERS_STORE $29 |
| jal cache_error |
| nop |
| REGISTERS_LOAD $29 |
| add $29, STACK_SPACE |
| eret |
| /SPARTAN/trunk/arch/mips/src/asm.s |
|---|
| 0,0 → 1,169 |
| # |
| # Copyright (C) 2001-2004 Jakub Jermar |
| # All rights reserved. |
| # |
| # Redistribution and use in source and binary forms, with or without |
| # modification, are permitted provided that the following conditions |
| # are met: |
| # |
| # - Redistributions of source code must retain the above copyright |
| # notice, this list of conditions and the following disclaimer. |
| # - Redistributions in binary form must reproduce the above copyright |
| # notice, this list of conditions and the following disclaimer in the |
| # documentation and/or other materials provided with the distribution. |
| # - The name of the author may not be used to endorse or promote products |
| # derived from this software without specific prior written permission. |
| # |
| # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| # |
| .text |
| .macro cp0_read reg |
| mfc0 $2,\reg |
| j $31 |
| nop |
| .endm |
| .macro cp0_write reg |
| mtc0 $4,\reg |
| j $31 |
| nop |
| .endm |
| .set noat |
| .set noreorder |
| .set nomacro |
| .global cp0_index_read |
| .global cp0_index_write |
| .global cp0_random_read |
| .global cp0_entry_lo0_read |
| .global cp0_entry_lo0_write |
| .global cp0_entry_lo1_read |
| .global cp0_entry_lo1_write |
| .global cp0_context_read |
| .global cp0_context_write |
| .global cp0_pagemask_read |
| .global cp0_pagemask_write |
| .global cp0_wired_read |
| .global cp0_wired_write |
| .global cp0_badvaddr_read |
| .global cp0_count_read |
| .global cp0_count_write |
| .global cp0_hi_read |
| .global cp0_hi_write |
| .global cp0_compare_read |
| .global cp0_compare_write |
| .global cp0_status_read |
| .global cp0_status_write |
| .global cp0_cause_read |
| .global cp0_cause_write |
| .global cp0_epc_read |
| .global cp0_epc_write |
| .global cp0_prid_read |
| cp0_index_read: cp0_read $0 |
| cp0_index_write: cp0_write $0 |
| cp0_random_read: cp0_read $1 |
| cp0_entry_lo0_read: cp0_read $2 |
| cp0_entry_lo0_write: cp0_write $2 |
| cp0_entry_lo1_read: cp0_read $3 |
| cp0_entry_lo1_write: cp0_write $3 |
| cp0_context_read: cp0_read $4 |
| cp0_context_write: cp0_write $4 |
| cp0_pagemask_read: cp0_read $5 |
| cp0_pagemask_write: cp0_write $5 |
| cp0_wired_read: cp0_read $6 |
| cp0_wired_write: cp0_write $6 |
| cp0_badvaddr_read: cp0_read $8 |
| cp0_count_read: cp0_read $9 |
| cp0_count_write: cp0_write $9 |
| cp0_entry_hi_read: cp0_read $10 |
| cp0_entry_hi_write: cp0_write $10 |
| cp0_compare_read: cp0_read $11 |
| cp0_compare_write: cp0_write $11 |
| cp0_status_read: cp0_read $12 |
| cp0_status_write: cp0_write $12 |
| cp0_cause_read: cp0_read $13 |
| cp0_cause_write: cp0_write $13 |
| cp0_epc_read: cp0_read $14 |
| cp0_epc_write: cp0_write $14 |
| cp0_prid_read: cp0_read $15 |
| .global tlbp |
| tlbp: |
| tlbp |
| j $31 |
| nop |
| .global tlbr |
| tlbr: |
| tlbr |
| j $31 |
| nop |
| .global tlbwi |
| tlbwi: |
| tlbwi |
| j $31 |
| nop |
| .global tlbwr |
| tlbwr: |
| tlbwr |
| j $31 |
| nop |
| .global cpu_halt |
| cpu_halt: |
| j cpu_halt |
| nop |
| .global memsetb |
| memsetb: |
| j _memsetb |
| nop |
| .global memcopy |
| memcopy: |
| j _memcopy |
| nop |
| # THIS IS USERSPACE CODE |
| .global utext |
| utext: |
| j $31 |
| nop |
| utext_end: |
| .data |
| .global utext_size |
| utext_size: |
| .long utext_end-utext |
| /SPARTAN/trunk/arch/mips/src/exception.c |
|---|
| 0,0 → 1,115 |
| /* |
| * Copyright (C) 2001-2004 Jakub Jermar |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * - The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| #include <arch/exception.h> |
| #include <panic.h> |
| #include <arch/cp0.h> |
| #include <arch/types.h> |
| #include <arch.h> |
| void exception(void) |
| { |
| int excno; |
| __u32 epc; |
| __u32 epc_shift = 0; |
| pri_t pri; |
| pri = cpu_priority_high(); |
| epc = cp0_epc_read(); |
| cp0_status_write(cp0_status_read() & ~ cp0_status_exl_exception_bit); |
| if (THREAD) { |
| THREAD->saved_pri = pri; |
| THREAD->saved_epc = epc; |
| } |
| /* decode exception number and process the exception */ |
| switch (excno = (cp0_cause_read() >> 2) & 0x1f) { |
| case EXC_Int: |
| interrupt(); |
| break; |
| case EXC_TLBL: |
| case EXC_TLBS: |
| tlb_invalid(); |
| break; |
| case EXC_Mod: |
| panic("unhandled TLB Modification Exception\n"); |
| break; |
| case EXC_AdEL: |
| panic("unhandled Address Error Exception - load or instruction fetch\n"); |
| break; |
| case EXC_AdES: |
| panic("unhandled Address Error Exception - store\n"); |
| break; |
| case EXC_IBE: |
| panic("unhandled Bus Error Exception - fetch instruction\n"); |
| break; |
| case EXC_DBE: |
| panic("unhandled Bus Error Exception - data reference: load or store\n"); |
| break; |
| case EXC_Bp: |
| /* it is necessary to not re-execute BREAK instruction after returning from Exception handler |
| (see page 138 in R4000 Manual for more information) */ |
| epc_shift = 4; |
| break; |
| case EXC_RI: |
| panic("unhandled Reserved Instruction Exception\n"); |
| break; |
| case EXC_CpU: |
| panic("unhandled Coprocessor Unusable Exception\n"); |
| break; |
| case EXC_Ov: |
| panic("unhandled Arithmetic Overflow Exception\n"); |
| break; |
| case EXC_Tr: |
| panic("unhandled Trap Exception\n"); |
| break; |
| case EXC_VCEI: |
| panic("unhandled Virtual Coherency Exception - instruction\n"); |
| break; |
| case EXC_FPE: |
| panic("unhandled Floating-Point Exception\n"); |
| break; |
| case EXC_WATCH: |
| panic("unhandled reference to WatchHi/WatchLo address\n"); |
| break; |
| case EXC_VCED: |
| panic("unhandled Virtual Coherency Exception - data\n"); |
| break; |
| default: |
| panic("unhandled exception %d\n", excno); |
| } |
| if (THREAD) { |
| pri = THREAD->saved_pri; |
| epc = THREAD->saved_epc; |
| } |
| cp0_epc_write(epc + epc_shift); |
| cp0_status_write(cp0_status_read() | cp0_status_exl_exception_bit); |
| cpu_priority_restore(pri); |
| } |
| /SPARTAN/trunk/arch/mips/src/putchar.c |
|---|
| 0,0 → 1,42 |
| /* |
| * Copyright (C) 2001-2004 Jakub Jermar |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * - The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| #include <putchar.h> |
| #include <arch/types.h> |
| #include <arch/cp0.h> |
| #define VIDEORAM 0xB0000000 |
| void putchar(const char ch) |
| { |
| __u32 status = cp0_status_read(); |
| cp0_status_write(cp0_status_read() | cp0_status_erl_error_bit); |
| *((char *) VIDEORAM) = ch; |
| cp0_status_write(status); |
| } |
| /SPARTAN/trunk/arch/mips/src/fpu_context.c |
|---|
| 0,0 → 1,48 |
| /* |
| * Copyright (C) 2005 Jakub Vana |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * - The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| */ |
| #include <fpu_context.h> |
| void fpu_context_save(fpu_context_t *fctx) |
| { |
| } |
| void fpu_context_restore(fpu_context_t *fctx) |
| { |
| } |
| void fpu_lazy_context_save(fpu_context_t *fctx) |
| { |
| } |
| void fpu_lazy_context_restore(fpu_context_t *fctx) |
| { |
| } |
| /SPARTAN/trunk/arch/mips/src/cache.c |
|---|
| 0,0 → 1,35 |
| /* |
| * Copyright (C) 2001-2004 Jakub Jermar |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * - The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| #include <arch/cache.h> |
| #include <panic.h> |
| void cache_error(void) |
| { |
| panic("cache_error exception\n"); |
| } |
| /SPARTAN/trunk/arch/mips/src/panic.s |
|---|
| 0,0 → 1,42 |
| # |
| # Copyright (C) 2001-2004 Jakub Jermar |
| # All rights reserved. |
| # |
| # Redistribution and use in source and binary forms, with or without |
| # modification, are permitted provided that the following conditions |
| # are met: |
| # |
| # - Redistributions of source code must retain the above copyright |
| # notice, this list of conditions and the following disclaimer. |
| # - Redistributions in binary form must reproduce the above copyright |
| # notice, this list of conditions and the following disclaimer in the |
| # documentation and/or other materials provided with the distribution. |
| # - The name of the author may not be used to endorse or promote products |
| # derived from this software without specific prior written permission. |
| # |
| # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| # |
| .text |
| .set noat |
| .set noreorder |
| .set nomacro |
| .global panic_printf |
| panic_printf: |
| jal printf |
| nop |
| j cpu_halt |
| nop |
| /SPARTAN/trunk/arch/mips/src/fake.s |
|---|
| 0,0 → 1,42 |
| # |
| # Copyright (C) 2001-2004 Jakub Jermar |
| # All rights reserved. |
| # |
| # Redistribution and use in source and binary forms, with or without |
| # modification, are permitted provided that the following conditions |
| # are met: |
| # |
| # - Redistributions of source code must retain the above copyright |
| # notice, this list of conditions and the following disclaimer. |
| # - Redistributions in binary form must reproduce the above copyright |
| # notice, this list of conditions and the following disclaimer in the |
| # documentation and/or other materials provided with the distribution. |
| # - The name of the author may not be used to endorse or promote products |
| # derived from this software without specific prior written permission. |
| # |
| # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| # |
| .text |
| .set noat |
| .global calibrate_delay_loop |
| .global asm_delay_loop |
| .global userspace |
| .global before_thread_runs_arch |
| before_thread_runs_arch: |
| userspace: |
| calibrate_delay_loop: |
| asm_delay_loop: |
| j $31 |
| nop |
| /SPARTAN/trunk/arch/mips/src/context.S |
|---|
| 0,0 → 1,52 |
| # |
| # Copyright (C) 2001-2004 Jakub Jermar |
| # All rights reserved. |
| # |
| # Redistribution and use in source and binary forms, with or without |
| # modification, are permitted provided that the following conditions |
| # are met: |
| # |
| # - Redistributions of source code must retain the above copyright |
| # notice, this list of conditions and the following disclaimer. |
| # - Redistributions in binary form must reproduce the above copyright |
| # notice, this list of conditions and the following disclaimer in the |
| # documentation and/or other materials provided with the distribution. |
| # - The name of the author may not be used to endorse or promote products |
| # derived from this software without specific prior written permission. |
| # |
| # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| # |
| #include <arch/asm/macro.h> |
| .text |
| .set noat |
| .set noreorder |
| .set nomacro |
| .global context_save |
| .global context_restore |
| context_save: |
| REGISTERS_STORE $4 |
| # context_save returns 1 |
| j $31 |
| li $2, 1 |
| context_restore: |
| REGISTERS_LOAD $4 |
| # context_restore returns 0 |
| j $31 |
| xor $2, $2 |
| /SPARTAN/trunk/arch/mips/_link.ld |
|---|
| 0,0 → 1,52 |
| /* |
| * MIPS linker script |
| * |
| * kernel text |
| * kernel data |
| * |
| */ |
| OUTPUT_FORMAT(binary) |
| ENTRY(kernel_image_start) |
| SECTIONS { |
| .image 0x80000000: AT (0x80000000) { |
| _gp = 0x00000000; |
| ktext_start = .; |
| *(.text); |
| ktext_end = .; |
| kdata_start = .; |
| *(.reginfo); |
| *(.rodata); |
| *(.rodata.*); |
| *(.rdata); |
| *(.data); /* initialized data */ |
| *(.lit8); |
| *(.lit4); |
| *(.sdata); |
| *(.sbss); |
| *(.bss); /* uninitialized static variables */ |
| *(.scommon); |
| *(COMMON); /* global variables */ |
| kdata_end = .; |
| } = 0x00000000 |
| . = ABSOLUTE(hardcoded_ktext_size); |
| .patch_1 : { |
| LONG(ktext_end - ktext_start); |
| } |
| . = ABSOLUTE(hardcoded_kdata_size); |
| .patch_2 : { |
| LONG(kdata_end - kdata_start); |
| } |
| . = ABSOLUTE(hardcoded_load_address); |
| .patch_3 : { |
| LONG(0x80000000); |
| } |
| } |