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Rewrote the disc sector poller again for simplified code and more accuracy;

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Floppy formats are now accurately timed and also more accurately implemented;
Applied all mainline PCem commits.
This commit is contained in:
OBattler
2016-08-20 03:40:12 +02:00
parent 24a6ab13fb
commit a924f37f43
51 changed files with 2471 additions and 1302 deletions
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29
src/codegen_ops_x86-64.h
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@@ -1,6 +1,3 @@
/* Copyright holders: Sarah Walker
see COPYING for more details
*/
/*Register allocation :
R8-R15 - emulated registers
*/
@@ -22,8 +19,7 @@ static inline int find_host_xmm_reg()
}
static void call(codeblock_t *block, uintptr_t func)
{
// uintptr_t diff = func - (uintptr_t)&block->data[block_pos + 5];
intptr_t diff = func - (intptr_t)&block->data[block_pos + 5];
uintptr_t diff = func - (uintptr_t)&block->data[block_pos + 5];
codegen_reg_loaded[0] = codegen_reg_loaded[1] = codegen_reg_loaded[2] = codegen_reg_loaded[3] = 0;
codegen_reg_loaded[4] = codegen_reg_loaded[5] = codegen_reg_loaded[6] = codegen_reg_loaded[7] = 0;
@@ -502,7 +498,14 @@ static void STORE_IMM_REG_L(int reg, uint32_t val)
static void STORE_IMM_ADDR_L(uintptr_t addr, uint32_t val)
{
if (addr < 0x100000000)
if (addr >= (uintptr_t)&cpu_state && addr < ((uintptr_t)&cpu_state)+0x80)
{
addbyte(0xC7); /*MOVL [addr],val*/
addbyte(0x45);
addbyte(addr - (uintptr_t)&cpu_state);
addlong(val);
}
else if (addr < 0x100000000)
{
addbyte(0xC7); /*MOVL [addr],val*/
addbyte(0x04);
@@ -3342,11 +3345,10 @@ static void FP_ENTER()
addlong((uintptr_t)&cr0);
addbyte(0xc);
addbyte(0x74); /*JZ +*/
addbyte(11+5+12+5);
addbyte(7+5+12+5);
addbyte(0xC7); /*MOVL [oldpc],op_old_pc*/
addbyte(0x04);
addbyte(0x25);
addlong((uintptr_t)&oldpc);
addbyte(0x45);
addbyte((uintptr_t)&cpu_state.oldpc - (uintptr_t)&cpu_state);
addlong(op_old_pc);
load_param_1_32(&codeblock[block_current], 7);
CALL_FUNC(x86_int);
@@ -4404,11 +4406,10 @@ static void MMX_ENTER()
addlong((uintptr_t)&cr0);
addbyte(0xc);
addbyte(0x74); /*JZ +*/
addbyte(11+5+12+5);
addbyte(7+5+12+5);
addbyte(0xC7); /*MOVL [oldpc],op_old_pc*/
addbyte(0x04);
addbyte(0x25);
addlong((uintptr_t)&oldpc);
addbyte(0x45);
addbyte((uintptr_t)&cpu_state.oldpc - (uintptr_t)&cpu_state);
addlong(op_old_pc);
load_param_1_32(&codeblock[block_current], 7);
CALL_FUNC(x86_int);