| /kernel/trunk/arch/ppc32/include/asm.h |
|---|
| 46,7 → 46,7 |
| __asm__ volatile ( |
| "mfmsr %0\n" |
| "mfmsr %1\n" |
| "ori %1, %1, 1 << 15\n" |
| // "ori %1, %1, 1 << 15\n" |
| "mtmsr %1\n" |
| : "=r" (v), "=r" (tmp) |
| ); |
| /kernel/trunk/arch/ppc32/include/drivers/cuda.h |
|---|
| 0,0 → 1,33 |
| /* |
| * Copyright (C) 2006 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. |
| */ |
| #ifndef __CUDA_H__ |
| #define __CUDA_H__ |
| #endif |
| /kernel/trunk/arch/ppc32/Makefile.inc |
|---|
| 63,6 → 63,8 |
| arch/$(ARCH)/src/dummy.s \ |
| arch/$(ARCH)/src/asm.S \ |
| arch/$(ARCH)/src/cpu/cpu.c \ |
| arch/$(ARCH)/src/proc/scheduler.c \ |
| arch/$(ARCH)/src/drivers/cuda.c \ |
| arch/$(ARCH)/src/mm/as.c \ |
| arch/$(ARCH)/src/mm/frame.c \ |
| arch/$(ARCH)/src/mm/memory_init.c \ |
| /kernel/trunk/arch/ppc32/src/fpu_context.S |
|---|
| 33,6 → 33,9 |
| .global fpu_context_save |
| .global fpu_context_restore |
| .global fpu_init |
| .global fpu_enable |
| .global fpu_disable |
| .macro FPU_CONTEXT_STORE r |
| stfd fr14, OFFSET_FR14(\r) |
| 91,3 → 94,12 |
| mtfsf 7, fr0 |
| blr |
| fpu_init: |
| blr |
| fpu_enable: |
| blr |
| fpu_disable: |
| blr |
| /kernel/trunk/arch/ppc32/src/asm.S |
|---|
| 30,14 → 30,10 |
| .text |
| .global cpu_halt |
| .global cpu_sleep |
| .global memsetb |
| .global memcpy |
| cpu_halt: |
| b cpu_halt |
| cpu_sleep: |
| b cpu_sleep |
| /kernel/trunk/arch/ppc32/src/proc/scheduler.c |
|---|
| 0,0 → 1,37 |
| /* |
| * Copyright (C) 2006 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 <proc/scheduler.h> |
| void before_thread_runs_arch(void) |
| { |
| } |
| void after_thread_ran_arch(void) |
| { |
| } |
| /kernel/trunk/arch/ppc32/src/dummy.s |
|---|
| 30,28 → 30,21 |
| .global asm_delay_loop |
| .global userspace |
| .global before_thread_runs_arch |
| .global after_thread_ran_arch |
| .global dummy |
| .global fpu_init |
| .global fpu_enable |
| .global fpu_disable |
| .global tlb_invalidate_all |
| .global tlb_invalidate_asid |
| .global tlb_invalidate_pages |
| before_thread_runs_arch: |
| after_thread_ran_arch: |
| userspace: |
| asm_delay_loop: |
| fpu_init: |
| fpu_enable: |
| fpu_disable: |
| tlb_invalidate_all: |
| b tlb_invalidate_all |
| tlb_invalidate_asid: |
| b tlb_invalidate_asid |
| tlb_invalidate_pages: |
| b tlb_invalidate_pages |
| userspace: |
| b userspace |
| dummy: |
| 0: |
| b 0b |
| asm_delay_loop: |
| b asm_delay_loop |
| /kernel/trunk/arch/ppc32/src/drivers/cuda.c |
|---|
| 0,0 → 1,68 |
| /* |
| * Copyright (C) 2006 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/drivers/cuda.h> |
| #include <arch/asm.h> |
| #define CUDA_PACKET 0x01 |
| #define CUDA_POWERDOWN 0x0a |
| #define RS 0x200 |
| #define B (0 * RS) |
| #define A (1 * RS) |
| #define SR (10 * RS) |
| #define ACR (11 * RS) |
| #define SR_OUT 0x10 |
| #define TACK 0x10 |
| #define TIP 0x20 |
| static volatile __u8 *cuda = (__u8 *) 0xf2000000; |
| static void cuda_packet(const __u8 data) |
| { |
| cuda[B] = cuda[B] | TIP; |
| cuda[ACR] = cuda[ACR] | SR_OUT; |
| cuda[SR] = CUDA_PACKET; |
| cuda[B] = cuda[B] & ~TIP; |
| cuda[ACR] = cuda[ACR] | SR_OUT; |
| cuda[SR] = data; |
| cuda[B] = cuda[B] | TACK; |
| cuda[B] = cuda[B] | TIP; |
| } |
| void cpu_halt(void) { |
| cuda_packet(CUDA_POWERDOWN); |
| cpu_sleep(); |
| } |