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Writing to a memory page with code present only causes code block flushes if the data changes, or if a block is currently being recompiled.

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This commit is contained in:
TomW 2016-02-03 21:09:05 +00:00
commit 673d785743
4 changed files with 29 additions and 13 deletions
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35
src/mem.c
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@ -1417,28 +1417,37 @@ uint32_t mem_read_raml(uint32_t addr, void *priv)
void mem_write_ramb_page(uint32_t addr, uint8_t val, page_t *p)
{
uint64_t mask = (uint64_t)1 << ((addr >> PAGE_MASK_SHIFT) & PAGE_MASK_MASK);
if (val != p->mem[addr & 0xfff] || codegen_in_recompile)
{
uint64_t mask = (uint64_t)1 << ((addr >> PAGE_MASK_SHIFT) & PAGE_MASK_MASK);
// pclog("mem_write_ramb_page: %08x %02x %08x %llx %llx\n", addr, val, cs+pc, p->dirty_mask, mask);
p->dirty_mask |= mask;
p->mem[addr & 0xfff] = val;
p->dirty_mask |= mask;
p->mem[addr & 0xfff] = val;
}
}
void mem_write_ramw_page(uint32_t addr, uint16_t val, page_t *p)
{
uint64_t mask = (uint64_t)1 << ((addr >> PAGE_MASK_SHIFT) & PAGE_MASK_MASK);
if ((addr & 0x3f) == 0x3f)
mask |= (mask << 1);
if (val != *(uint16_t *)&p->mem[addr & 0xfff] || codegen_in_recompile)
{
uint64_t mask = (uint64_t)1 << ((addr >> PAGE_MASK_SHIFT) & PAGE_MASK_MASK);
if ((addr & 0x3f) == 0x3f)
mask |= (mask << 1);
// pclog("mem_write_ramw_page: %08x %04x %08x\n", addr, val, cs+pc);
p->dirty_mask |= mask;
*(uint16_t *)&p->mem[addr & 0xfff] = val;
p->dirty_mask |= mask;
*(uint16_t *)&p->mem[addr & 0xfff] = val;
}
}
void mem_write_raml_page(uint32_t addr, uint32_t val, page_t *p)
{
uint64_t mask = (uint64_t)1 << ((addr >> PAGE_MASK_SHIFT) & PAGE_MASK_MASK);
if ((addr & 0x3f) >= 0x3d)
mask |= (mask << 1);
if (val != *(uint32_t *)&p->mem[addr & 0xfff] || codegen_in_recompile)
{
uint64_t mask = (uint64_t)1 << ((addr >> PAGE_MASK_SHIFT) & PAGE_MASK_MASK);
if ((addr & 0x3f) >= 0x3d)
mask |= (mask << 1);
// pclog("mem_write_raml_page: %08x %08x %08x\n", addr, val, cs+pc);
p->dirty_mask |= mask;
*(uint32_t *)&p->mem[addr & 0xfff] = val;
p->dirty_mask |= mask;
*(uint32_t *)&p->mem[addr & 0xfff] = val;
}
}
void mem_write_ram(uint32_t addr, uint8_t val, void *priv)