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Reimplement cache invalidation code

This commit is contained in:
twinaphex 2014-12-11 18:47:48 +01:00
parent 97166d5cbd
commit 5b59ef3acc
8 changed files with 58 additions and 180 deletions
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2
Makefile.common
View File

@ -32,9 +32,7 @@ endif
endif
# Special optimized routines
ifeq ($(CPU_ARCH), arm)
SOURCES_C += $(CORE_DIR)/arm/warm.c
SOURCES_ASM += $(CORE_DIR)/arm/video_blend.S
endif

25
arm/arm_emit.h
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@ -636,33 +636,8 @@ u32 arm_disect_imm_32bit(u32 imm, u32 *stores, u32 *rotations)
} \
} \
u8 *last_rom_translation_ptr = NULL;
u8 *last_ram_translation_ptr = NULL;
u8 *last_bios_translation_ptr = NULL;
#define translate_invalidate_dcache_one(which) \
if (which##_translation_ptr > last_##which##_translation_ptr) \
{ \
warm_cache_op_range(WOP_D_CLEAN, last_##which##_translation_ptr, \
which##_translation_ptr - last_##which##_translation_ptr); \
warm_cache_op_range(WOP_I_INVALIDATE, last_##which##_translation_ptr, 32);\
last_##which##_translation_ptr = which##_translation_ptr; \
}
#define translate_invalidate_dcache() \
{ \
translate_invalidate_dcache_one(rom) \
translate_invalidate_dcache_one(ram) \
translate_invalidate_dcache_one(bios) \
}
#define invalidate_icache_region(addr, size) \
warm_cache_op_range(WOP_I_INVALIDATE, addr, size)
#define block_prologue_size 0
// It should be okay to still generate result flags, spsr will overwrite them.
// This is pretty infrequent (returning from interrupt handlers, et al) so
// probably not worth optimizing for.

67
arm/warm.c
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@ -1,67 +0,0 @@
/*
* wARM - exporting ARM processor specific privileged services to userspace
* userspace part
*
* Copyright (c) Gražvydas "notaz" Ignotas, 2009
*
* 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.
* * Neither the name of the organization nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT HOLDER OR CONTRIBUTORS 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 <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/syscall.h>
#include <errno.h>
#include "warm.h"
static void sys_cacheflush(void *start, void *end)
{
#ifdef __ARM_EABI__
/* EABI version */
int num = __ARM_NR_cacheflush;
__asm__("mov r0, %0 ;"
"mov r1, %1 ;"
"mov r2, #0 ;"
"mov r7, %2 ;"
"swi 0" : : "r" (start), "r" (end), "r" (num)
: "r0", "r1", "r2", "r3", "r7");
#else
/* OABI */
__asm__("mov r0, %0 ;"
"mov r1, %1 ;"
"mov r2, #0 ;"
"swi %2" : : "r" (start), "r" (end), "i" __ARM_NR_cacheflush
: "r0", "r1", "r2", "r3");
#endif
}
int warm_cache_op_range(int op, void *addr, unsigned long size)
{
sys_cacheflush(addr, (char *)addr + size);
return -1;
}

53
arm/warm.h
View File

@ -1,53 +0,0 @@
/*
* wARM - exporting ARM processor specific privileged services to userspace
* library functions
*
* Copyright (c) Gražvydas "notaz" Ignotas, 2009
*
* 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.
* * Neither the name of the organization nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT HOLDER OR CONTRIBUTORS 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 __WARM_H__
#define __WARM_H__ 1
/* cache operations (warm_cache_op_*):
* o clean - write dirty data to memory, but also leave in cache.
* o invalidate - throw away everything in cache, losing dirty data.
*
* Write buffer is always drained, no ops will only drain WB
*/
#define WOP_D_CLEAN (1 << 0)
#define WOP_D_INVALIDATE (1 << 1)
#define WOP_I_INVALIDATE (1 << 2)
#ifdef __cplusplus
extern "C"
{
#endif
int warm_cache_op_range(int ops, void *virt_addr, unsigned long size);
#ifdef __cplusplus
}
#endif
#endif /* __WARM_H__ */

4
common.h
View File

@ -210,8 +210,4 @@ typedef u32 fixed8_24;
#include "main.h"
#include "cheats.h"
#ifdef ARM_ARCH
#include "arm/warm.h"
#endif
#endif

81
cpu_threaded.c
View File

@ -23,6 +23,10 @@
#include "common.h"
u8 *last_rom_translation_ptr = NULL;
u8 *last_ram_translation_ptr = NULL;
u8 *last_bios_translation_ptr = NULL;
#if defined(HAVE_MMAP)
u8* rom_translation_cache;
u8* ram_translation_cache;
@ -218,6 +222,51 @@ extern u8 bit_count[256];
#endif
/* Cache invalidation */
#if defined(PSP_BUILD)
#define translate_invalidate_dcache() sceKernelDcacheWritebackAll()
#elif defined(ARM_ARCH)
static int sys_cacheflush(void *addr, unsigned long size)
{
void *start = (void*)addr;
void *end = (void*)(char *)addr + size;
register const unsigned char *r0 asm("r0") = start;
register const unsigned char *r1 asm("r1") = end;
register const int r2 asm("r2") = 0;
register const int r7 asm("r7") = 0xf0002;
asm volatile ("svc 0x0" :: "r" (r0), "r" (r1), "r" (r2), "r" (r7));
return -1;
}
#define translate_invalidate_dcache_one(which) \
if (which##_translation_ptr > last_##which##_translation_ptr) \
{ \
sys_cacheflush(last_##which##_translation_ptr, \
which##_translation_ptr - last_##which##_translation_ptr); \
sys_cacheflush(last_##which##_translation_ptr, 32);\
last_##which##_translation_ptr = which##_translation_ptr; \
}
#define translate_invalidate_dcache() \
{ \
translate_invalidate_dcache_one(rom) \
translate_invalidate_dcache_one(ram) \
translate_invalidate_dcache_one(bios) \
}
#define invalidate_icache_region(addr, size) (void)0
#else
#define translate_invalidate_dcache() (void)0
#define invalidate_icache_region(addr, size) (void)0
#endif
/* End of Cache invalidation */
#define check_pc_region(pc) \
new_pc_region = (pc >> 15); \
@ -3632,13 +3681,8 @@ void flush_translation_cache_ram(void)
flush_ram_count, reg[REG_PC], iwram_code_min, iwram_code_max,
ewram_code_min, ewram_code_max); */
#if defined(ARM_ARCH) || defined(MIPS_ARCH)
invalidate_icache_region(ram_translation_cache,
(ram_translation_ptr - ram_translation_cache) + 0x100);
#endif
#ifdef ARM_ARCH
invalidate_icache_region(ram_translation_cache, (ram_translation_ptr - ram_translation_cache) + 0x100);
last_ram_translation_ptr = ram_translation_cache;
#endif
ram_translation_ptr = ram_translation_cache;
ram_block_tag_top = 0x0101;
if(iwram_code_min != 0xFFFFFFFF)
@ -3673,9 +3717,7 @@ void flush_translation_cache_ram(void)
else
{
for(i = ewram_code_min_page + 1; i < ewram_code_max_page; i++)
{
memset(ewram + (i * 0x10000), 0, 0x8000);
}
memset(ewram, 0, ewram_code_max_offset);
}
@ -3689,30 +3731,23 @@ void flush_translation_cache_ram(void)
void flush_translation_cache_rom(void)
{
#if defined(ARM_ARCH) || defined(MIPS_ARCH)
invalidate_icache_region(rom_translation_cache,
rom_translation_ptr - rom_translation_cache + 0x100);
#endif
#ifdef ARM_ARCH
last_rom_translation_ptr = rom_translation_cache;
#endif
invalidate_icache_region(rom_translation_cache, rom_translation_ptr - rom_translation_cache + 0x100);
last_rom_translation_ptr = rom_translation_cache;
rom_translation_ptr = rom_translation_cache;
rom_translation_ptr = rom_translation_cache;
memset(rom_branch_hash, 0, sizeof(rom_branch_hash));
}
void flush_translation_cache_bios(void)
{
#if defined(ARM_ARCH) || defined(MIPS_ARCH)
invalidate_icache_region(bios_translation_cache,
bios_translation_ptr - bios_translation_cache + 0x100);
#endif
#ifdef ARM_ARCH
last_bios_translation_ptr = bios_translation_cache;
#endif
invalidate_icache_region(bios_translation_cache, bios_translation_ptr - bios_translation_cache + 0x100);
bios_block_tag_top = 0x0101;
last_bios_translation_ptr = bios_translation_cache;
bios_translation_ptr = bios_translation_cache;
memset(bios_rom + 0x4000, 0, 0x4000);
}

3
psp/mips_emit.h
View File

@ -641,9 +641,6 @@ u32 arm_to_mips_reg[] =
mips_emit_nop(); \
generate_load_imm(reg_pc, stored_pc) \
#define translate_invalidate_dcache() \
sceKernelDcacheWritebackAll() \
#define block_prologue_size 8
#define check_generate_n_flag \

3
x86/x86_emit.h
View File

@ -492,9 +492,6 @@ typedef enum
#define generate_block_extra_vars_thumb() \
#define translate_invalidate_dcache() \
#define block_prologue_size 0
#define calculate_z_flag(dest) \