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Move stats code out of cpu.c

This commit is contained in:
David Guillen Fandos 2023-11-02 23:39:38 +01:00
parent eaf8b94702
commit e97037043e
3 changed files with 25 additions and 42 deletions
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29
cpu.c
View File

@ -25,23 +25,6 @@
#include "cpu_instrument.h"
u32 memory_region_access_read_u8[16];
u32 memory_region_access_read_s8[16];
u32 memory_region_access_read_u16[16];
u32 memory_region_access_read_s16[16];
u32 memory_region_access_read_u32[16];
u32 memory_region_access_write_u8[16];
u32 memory_region_access_write_u16[16];
u32 memory_region_access_write_u32[16];
u32 memory_reads_u8;
u32 memory_reads_s8;
u32 memory_reads_u16;
u32 memory_reads_s16;
u32 memory_reads_u32;
u32 memory_writes_u8;
u32 memory_writes_u16;
u32 memory_writes_u32;
const u8 bit_count[256] =
{
0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4, 1, 2, 2, 3, 2, 3, 3,
@ -866,8 +849,7 @@ const u32 spsr_masks[4] = { 0x00000000, 0x000000EF, 0xF0000000, 0xF00000EF };
/* Account for cycles and other stats */ \
u8 region = _address >> 24; \
cycles_remaining -= ws_cyc_nseq[region][(size - 8) / 16]; \
memory_region_access_read_##type[region]++; \
memory_reads_##type++; \
STATS_MEMORY_ACCESS(read, type, region); \
} \
\
if ( \
@ -892,8 +874,7 @@ const u32 spsr_masks[4] = { 0x00000000, 0x000000EF, 0xF0000000, 0xF00000EF };
{ \
u8 region = _address >> 24; \
cycles_remaining -= ws_cyc_nseq[region][(size - 8) / 16]; \
memory_region_access_write_##type[region]++; \
memory_writes_##type++; \
STATS_MEMORY_ACCESS(write, type, region); \
} \
\
cpu_alert = write_memory##size(_address, value); \
@ -908,8 +889,7 @@ const u32 spsr_masks[4] = { 0x00000000, 0x000000EF, 0xF0000000, 0xF00000EF };
/* Account for cycles and other stats */ \
u8 region = _address >> 24; \
cycles_remaining -= ws_cyc_seq[region][1]; \
memory_region_access_read_u32[region]++; \
memory_reads_u32++; \
STATS_MEMORY_ACCESS(read, u32, region); \
} \
if(_address < 0x10000000 && map) \
{ \
@ -929,8 +909,7 @@ const u32 spsr_masks[4] = { 0x00000000, 0x000000EF, 0xF0000000, 0xF00000EF };
/* Account for cycles and other stats */ \
u8 region = _address >> 24; \
cycles_remaining -= ws_cyc_seq[region][1]; \
memory_region_access_write_u32[region]++; \
memory_writes_u32++; \
STATS_MEMORY_ACCESS(write, u32, region); \
} \
cpu_alert = write_memory32(_address, value); \
} \

17
cpu.h
View File

@ -179,23 +179,6 @@ extern const u32 cpu_modes[16];
extern const u32 cpsr_masks[4][2];
extern const u32 spsr_masks[4];
extern u32 memory_region_access_read_u8[16];
extern u32 memory_region_access_read_s8[16];
extern u32 memory_region_access_read_u16[16];
extern u32 memory_region_access_read_s16[16];
extern u32 memory_region_access_read_u32[16];
extern u32 memory_region_access_write_u8[16];
extern u32 memory_region_access_write_u16[16];
extern u32 memory_region_access_write_u32[16];
extern u32 memory_reads_u8;
extern u32 memory_reads_s8;
extern u32 memory_reads_u16;
extern u32 memory_reads_s16;
extern u32 memory_reads_u32;
extern u32 memory_writes_u8;
extern u32 memory_writes_u16;
extern u32 memory_writes_u32;
void init_cpu(void);
void move_reg();

21
cpu_instrument.h
View File

@ -4,6 +4,27 @@
// Also provides some tracing capabilities
#ifdef MEMORY_STATS_ANALYZE
// Collects memory stats by region, access type, etc.
u32 memory_region_access_read_u8[16];
u32 memory_region_access_read_s8[16];
u32 memory_region_access_read_u16[16];
u32 memory_region_access_read_s16[16];
u32 memory_region_access_read_u32[16];
u32 memory_region_access_write_u8[16];
u32 memory_region_access_write_u16[16];
u32 memory_region_access_write_u32[16];
#define STATS_MEMORY_ACCESS(op, size, region) \
memory_region_access_##op##_##size[region]++;
#else
#define STATS_MEMORY_ACCESS(write, u32, region)
#endif
#ifdef REGISTER_USAGE_ANALYZE
u64 instructions_total = 0;