| /SPARTAN/trunk/arch/ppc32/src/ppc32.c |
|---|
| 0,0 → 1,49 |
| /* |
| * 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> |
| void arch_pre_mm_init(void) |
| { |
| } |
| void arch_post_mm_init(void) |
| { |
| } |
| void arch_pre_smp_init(void) |
| { |
| } |
| void arch_post_smp_init(void) |
| { |
| } |
| void calibrate_delay_loop(void) |
| { |
| } |
| /SPARTAN/trunk/arch/ppc32/src/console.c |
|---|
| 0,0 → 1,39 |
| /* |
| * 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 <putchar.h> |
| #include <genarch/ofw/ofw.h> |
| /** Print one character. |
| * |
| * @param ch Character to be printed. |
| */ |
| void putchar(const char ch) |
| { |
| ofw_putchar(ch); |
| } |
| /SPARTAN/trunk/arch/ppc32/src/mm/memory_init.c |
|---|
| 0,0 → 1,61 |
| /* |
| * 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/mm/memory_init.h> |
| #include <genarch/ofw/ofw.h> |
| #include <panic.h> |
| #define MEMMAP_MAX_RECORDS 32 |
| typedef struct { |
| __u32 start; |
| __u32 size; |
| } memmap_t; |
| size_t get_memory_size(void) |
| { |
| phandle handle = ofw_find_device("/memory"); |
| if (handle == -1) |
| panic("No RAM\n"); |
| memmap_t memmap[MEMMAP_MAX_RECORDS]; |
| size_t ret = ofw_get_property(handle, "reg", &memmap, sizeof(memmap)); |
| if (ret == -1) |
| panic("Device /memory has no reg property\n"); |
| size_t total; |
| int i; |
| for (i = 0; i < MEMMAP_MAX_RECORDS; i++) { |
| if (memmap[i].size == 0) |
| break; |
| total += memmap[i].size; |
| } |
| return total; |
| } |
| /SPARTAN/trunk/arch/ppc32/src/mm/frame.c |
|---|
| 0,0 → 1,43 |
| /* |
| * 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/mm/frame.h> |
| #include <mm/frame.h> |
| #include <config.h> |
| #include <panic.h> |
| void frame_arch_init(void) |
| { |
| zone_t *z; |
| z = zone_create(0, config.memory_size & ~(FRAME_SIZE-1), 0); |
| if (!z) { |
| panic("Can't allocate zone (%dB).\n", config.memory_size & ~(FRAME_SIZE-1)); |
| } |
| zone_attach(z); |
| } |
| /SPARTAN/trunk/arch/ppc32/src/mm/page.c |
|---|
| 0,0 → 1,37 |
| /* |
| * 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/types.h> |
| #include <arch/mm/page.h> |
| #include <arch/mm/frame.h> |
| #include <mm/frame.h> |
| #include <mm/page.h> |
| void page_arch_init(void) |
| { |
| } |
| /SPARTAN/trunk/arch/ppc32/src/context.S |
|---|
| 0,0 → 1,54 |
| # |
| # 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/asm/macro.h> |
| .text |
| .global context_save_arch |
| .global context_restore_arch |
| context_save_arch: |
| REGISTERS_STORE r3 |
| mflr r3 |
| stw r3, 128(r3) |
| # context_save returns 1 |
| li r3, 1 |
| blr |
| context_restore_arch: |
| REGISTERS_LOAD r3 |
| lwz r3, 128(r3) |
| mtlr r3 |
| # context_restore returns 0 |
| li r3, 0 |
| blr |
| /SPARTAN/trunk/arch/ppc32/src/fpu_context.c |
|---|
| 0,0 → 1,39 |
| /* |
| * 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) |
| { |
| } |
| /SPARTAN/trunk/arch/ppc32/src/dummy.s |
|---|
| 0,0 → 1,48 |
| # |
| # 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. |
| # |
| .text |
| .global asm_delay_loop |
| .global userspace |
| .global before_thread_runs_arch |
| .global dummy |
| .global fpu_init |
| .global fpu_enable |
| .global fpu_disable |
| before_thread_runs_arch: |
| userspace: |
| asm_delay_loop: |
| fpu_init: |
| fpu_enable: |
| fpu_disable: |
| dummy: |
| 0: |
| b 0b |
| /SPARTAN/trunk/arch/ppc32/src/fmath.c |
|---|
| 0,0 → 1,161 |
| /* |
| * Copyright (C) 2005 Josef Cejka |
| * 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/fmath.h> |
| #include <print.h> |
| //TODO: |
| #define FMATH_MANTISA_MASK ( 0x000fffffffffffffLL ) |
| signed short fmath_get_binary_exponent(double num) |
| { //TODO: |
| /* fmath_ld_union_t fmath_ld_union; |
| fmath_ld_union.bf = num; |
| return (signed short)((((fmath_ld_union.ldd[7])&0x7f)<<4) + (((fmath_ld_union.ldd[6])&0xf0)>>4)) -FMATH_EXPONENT_BIAS; // exponent is 11 bits lenght, so sevent bits is in 8th byte and 4 bits in 7th |
| */ |
| return 0; |
| } |
| double fmath_get_decimal_exponent(double num) |
| { //TODO: |
| double value; |
| // log10(2)*log2(x) => log10(x) |
| /* __asm__ __volatile__ ( \ |
| "fldlg2 #load log10(2) \n\t" \ |
| "fxch %%st(1) \n\t" \ |
| "fyl2x #count st(0)*log2(st(1))->st(1); pop st(0) \n\t" \ |
| : "=t" (value) : "0"(num) ); |
| */ return value; |
| } |
| __u64 fmath_get_binary_mantisa(double num) |
| { //TODO: |
| /* union { __u64 _u; double _d;} un = { _d : num }; |
| un._u=un._u &(FMATH_MANTISA_MASK); // mask 52 bits of mantisa |
| return un._u; |
| */ |
| return 0; |
| } |
| double fmath_fint(double num, double *intp) |
| { //TODO: |
| /* fmath_ld_union_t fmath_ld_union_num; |
| fmath_ld_union_t fmath_ld_union_int; |
| signed short exp; |
| __u64 mask,mantisa; |
| int i; |
| exp=fmath_get_binary_exponent(num); |
| if (exp<0) { |
| *intp = 0.0; |
| *intp = fmath_set_sign(0.0L,fmath_is_negative(num)); |
| return num; |
| } |
| if (exp>51) { |
| *intp=num; |
| num=0.0; |
| num= fmath_set_sign(0.0L,fmath_is_negative(*intp)); |
| return num; |
| } |
| fmath_ld_union_num.bf = num; |
| mask = FMATH_MANTISA_MASK>>exp; |
| //mantisa = (fmath_get-binary_mantisa(num))&(~mask); |
| for (i=0;i<7;i++) { |
| // Ugly construction for obtain sign, exponent and integer part from num |
| fmath_ld_union_int.ldd[i]=fmath_ld_union_num.ldd[i]&(((~mask)>>(i*8))&0xff); |
| } |
| fmath_ld_union_int.ldd[6]|=((fmath_ld_union_num.ldd[6])&(0xf0)); |
| fmath_ld_union_int.ldd[7]=fmath_ld_union_num.ldd[7]; |
| *intp=fmath_ld_union_int.bf; |
| return fmath_ld_union_num.bf-fmath_ld_union_int.bf; |
| */ |
| return 0.0; |
| }; |
| double fmath_dpow(double base, double exponent) |
| { //TODO: |
| /* double value=1.0; |
| if (base<=0.0) return base; |
| //2^(x*log2(10)) = 2^y = 10^x |
| __asm__ __volatile__ ( \ |
| "fyl2x # ST(1):=ST(1)*log2(ST(0)), pop st(0) \n\t " \ |
| "fld %%st(0) \n\t" \ |
| "frndint \n\t" \ |
| "fxch %%st(1) \n\t" \ |
| "fsub %%st(1),%%st(0) \n\t" \ |
| "f2xm1 # ST := 2^ST -1\n\t" \ |
| "fld1 \n\t" \ |
| "faddp %%st(0),%%st(1) \n\t" \ |
| "fscale #ST:=ST*2^(ST(1))\n\t" \ |
| "fstp %%st(1) \n\t" \ |
| "" : "=t" (value) : "0" (base), "u" (exponent) ); |
| return value; |
| */ |
| return 1.0; |
| } |
| int fmath_is_nan(double num) |
| { |
| /* __u16 exp; |
| fmath_ld_union_t fmath_ld_union; |
| fmath_ld_union.bf = num; |
| exp=(((fmath_ld_union.ldd[7])&0x7f)<<4) + (((fmath_ld_union.ldd[6])&0xf0)>>4); // exponent is 11 bits lenght, so sevent bits is in 8th byte and 4 bits in 7th |
| if (exp!=0x07ff) return 0; |
| if (fmath_get_binary_mantisa(num)>=FMATH_NAN) return 1; |
| */ |
| return 0; |
| } |
| int fmath_is_infinity(double num) |
| { |
| /* __u16 exp; |
| fmath_ld_union_t fmath_ld_union; |
| fmath_ld_union.bf = num; |
| exp=(((fmath_ld_union.ldd[7])&0x7f)<<4) + (((fmath_ld_union.ldd[6])&0xf0)>>4); // exponent is 11 bits lenght, so sevent bits is in 8th byte and 4 bits in 7th |
| if (exp!=0x07ff) return 0; |
| if (fmath_get_binary_mantisa(num)==0x0) return 1; |
| */ return 0; |
| } |
| /SPARTAN/trunk/arch/ppc32/src/start.S |
|---|
| 0,0 → 1,42 |
| # |
| # 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/asm/macro.h> |
| .section K_TEXT_START |
| .global kernel_image_start |
| kernel_image_start: |
| lis r4, ofw@ha |
| addi r4, r4, ofw@l |
| stw r5, 0(r4) |
| bl ofw_init |
| b main_bsp |
| /SPARTAN/trunk/arch/ppc32/src/asm.S |
|---|
| 0,0 → 1,89 |
| # |
| # 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/asm/macro.h> |
| .text |
| .global cpu_halt |
| .global cpu_sleep |
| .global memsetb |
| .global memcpy |
| cpu_halt: |
| b cpu_halt |
| cpu_sleep: |
| b cpu_sleep |
| memsetb: |
| rlwimi r5, r5, 8, 16, 23 |
| rlwimi r5, r5, 16, 0, 15 |
| addi r14, r3, -4 |
| cmplwi 0, r4, 4 |
| blt 7f |
| stwu r5, 4(r14) |
| beqlr |
| andi. r15, r14, 3 |
| add r4, r15, r4 |
| subf r14, r15, r14 |
| srwi r15, r4, 2 |
| mtctr r15 |
| bdz 6f |
| 1: |
| stwu r5, 4(r14) |
| bdnz 1b |
| 6: |
| andi. r4, r4, 3 |
| 7: |
| cmpwi 0, r4, 0 |
| beqlr |
| mtctr r4 |
| addi r6, r6, 3 |
| 8: |
| stbu r5, 1(r14) |
| bdnz 8b |
| blr |
| memcpy: |
| # TODO |
| blr |
| /SPARTAN/trunk/arch/ppc32/src/debug/panic.s |
|---|
| 0,0 → 1,38 |
| # |
| # 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/asm/macro.h> |
| .text |
| .global panic_printf |
| panic_printf: |
| lis %r14, halt@ha |
| addi %r14, %r14, halt@l |
| mtlr %r14 # fake stack to make printf return to halt |
| b printf |
| /SPARTAN/trunk/arch/ppc32/src/cpu/cpu.c |
|---|
| 0,0 → 1,48 |
| /* |
| * 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/cpu.h> |
| #include <cpu.h> |
| #include <arch.h> |
| #include <typedefs.h> |
| #include <print.h> |
| void cpu_arch_init(void) |
| { |
| } |
| void cpu_identify(void) |
| { |
| } |
| void cpu_print_report(cpu_t *m) |
| { |
| printf("cpu%d:\n", m->id); |
| } |