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clang format in cpu

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This commit is contained in:
Jasmine Iwanek
2022-11-19 10:40:32 -05:00
parent 9e77acf655
commit 83b220cb03
66 changed files with 21467 additions and 19004 deletions
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249
src/cpu/x86.c
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@@ -43,7 +43,7 @@
uint8_t opcode;
/* The tables to speed up the setting of the Z, N, and P cpu_state.flags. */
uint8_t znptable8[256];
uint8_t znptable8[256];
uint16_t znptable16[65536];
/* A 16-bit zero, needed because some speed-up arrays contain pointers to it. */
@@ -52,7 +52,7 @@ uint16_t zero = 0;
/* MOD and R/M stuff. */
uint16_t *mod1add[2][8];
uint32_t *mod1seg[8];
uint32_t rmdat;
uint32_t rmdat;
/* XT CPU multiplier. */
uint64_t xt_cpu_multi;
@@ -72,13 +72,11 @@ uint32_t easeg;
/* This is for the OPTI 283 special reset handling mode. */
int reset_on_hlt, hlt_reset_pending;
#ifdef ENABLE_X86_LOG
void dumpregs(int);
void dumpregs(int);
int x86_do_log = ENABLE_X86_LOG;
int indump = 0;
int indump = 0;
static void
x808x_log(const char *fmt, ...)
@@ -86,60 +84,58 @@ x808x_log(const char *fmt, ...)
va_list ap;
if (x808x_do_log) {
va_start(ap, fmt);
pclog_ex(fmt, ap);
va_end(ap);
va_start(ap, fmt);
pclog_ex(fmt, ap);
va_end(ap);
}
}
void
dumpregs(int force)
{
int c;
int c;
char *seg_names[4] = { "ES", "CS", "SS", "DS" };
/* Only dump when needed, and only once.. */
if (indump || (!force && !dump_on_exit))
return;
return;
x808x_log("EIP=%08X CS=%04X DS=%04X ES=%04X SS=%04X FLAGS=%04X\n",
cpu_state.pc, CS, DS, ES, SS, cpu_state.flags);
cpu_state.pc, CS, DS, ES, SS, cpu_state.flags);
x808x_log("Old CS:EIP: %04X:%08X; %i ins\n", oldcs, cpu_state.oldpc, ins);
for (c = 0; c < 4; c++) {
x808x_log("%s : base=%06X limit=%08X access=%02X limit_low=%08X limit_high=%08X\n",
seg_names[c], _opseg[c]->base, _opseg[c]->limit,
_opseg[c]->access, _opseg[c]->limit_low, _opseg[c]->limit_high);
x808x_log("%s : base=%06X limit=%08X access=%02X limit_low=%08X limit_high=%08X\n",
seg_names[c], _opseg[c]->base, _opseg[c]->limit,
_opseg[c]->access, _opseg[c]->limit_low, _opseg[c]->limit_high);
}
if (is386) {
x808x_log("FS : base=%06X limit=%08X access=%02X limit_low=%08X limit_high=%08X\n",
seg_fs, cpu_state.seg_fs.limit, cpu_state.seg_fs.access, cpu_state.seg_fs.limit_low, cpu_state.seg_fs.limit_high);
x808x_log("GS : base=%06X limit=%08X access=%02X limit_low=%08X limit_high=%08X\n",
gs, cpu_state.seg_gs.limit, cpu_state.seg_gs.access, cpu_state.seg_gs.limit_low, cpu_state.seg_gs.limit_high);
x808x_log("GDT : base=%06X limit=%04X\n", gdt.base, gdt.limit);
x808x_log("LDT : base=%06X limit=%04X\n", ldt.base, ldt.limit);
x808x_log("IDT : base=%06X limit=%04X\n", idt.base, idt.limit);
x808x_log("TR : base=%06X limit=%04X\n", tr.base, tr.limit);
x808x_log("386 in %s mode: %i-bit data, %-i-bit stack\n",
(msw & 1) ? ((cpu_state.eflags & VM_FLAG) ? "V86" : "protected") : "real",
(use32) ? 32 : 16, (stack32) ? 32 : 16);
x808x_log("CR0=%08X CR2=%08X CR3=%08X CR4=%08x\n", cr0, cr2, cr3, cr4);
x808x_log("EAX=%08X EBX=%08X ECX=%08X EDX=%08X\nEDI=%08X ESI=%08X EBP=%08X ESP=%08X\n",
EAX, EBX, ECX, EDX, EDI, ESI, EBP, ESP);
x808x_log("FS : base=%06X limit=%08X access=%02X limit_low=%08X limit_high=%08X\n",
seg_fs, cpu_state.seg_fs.limit, cpu_state.seg_fs.access, cpu_state.seg_fs.limit_low, cpu_state.seg_fs.limit_high);
x808x_log("GS : base=%06X limit=%08X access=%02X limit_low=%08X limit_high=%08X\n",
gs, cpu_state.seg_gs.limit, cpu_state.seg_gs.access, cpu_state.seg_gs.limit_low, cpu_state.seg_gs.limit_high);
x808x_log("GDT : base=%06X limit=%04X\n", gdt.base, gdt.limit);
x808x_log("LDT : base=%06X limit=%04X\n", ldt.base, ldt.limit);
x808x_log("IDT : base=%06X limit=%04X\n", idt.base, idt.limit);
x808x_log("TR : base=%06X limit=%04X\n", tr.base, tr.limit);
x808x_log("386 in %s mode: %i-bit data, %-i-bit stack\n",
(msw & 1) ? ((cpu_state.eflags & VM_FLAG) ? "V86" : "protected") : "real",
(use32) ? 32 : 16, (stack32) ? 32 : 16);
x808x_log("CR0=%08X CR2=%08X CR3=%08X CR4=%08x\n", cr0, cr2, cr3, cr4);
x808x_log("EAX=%08X EBX=%08X ECX=%08X EDX=%08X\nEDI=%08X ESI=%08X EBP=%08X ESP=%08X\n",
EAX, EBX, ECX, EDX, EDI, ESI, EBP, ESP);
} else {
x808x_log("808x/286 in %s mode\n", (msw & 1) ? "protected" : "real");
x808x_log("AX=%04X BX=%04X CX=%04X DX=%04X DI=%04X SI=%04X BP=%04X SP=%04X\n",
AX, BX, CX, DX, DI, SI, BP, SP);
x808x_log("808x/286 in %s mode\n", (msw & 1) ? "protected" : "real");
x808x_log("AX=%04X BX=%04X CX=%04X DX=%04X DI=%04X SI=%04X BP=%04X SP=%04X\n",
AX, BX, CX, DX, DI, SI, BP, SP);
}
x808x_log("Entries in readlookup : %i writelookup : %i\n", readlnum, writelnum);
x87_dumpregs();
indump = 0;
}
#else
#define x808x_log(fmt, ...)
# define x808x_log(fmt, ...)
#endif
/* Preparation of the various arrays needed to speed up the MOD and R/M work. */
static void
makemod1table(void)
@@ -160,143 +156,141 @@ makemod1table(void)
mod1add[1][5] = &zero;
mod1add[1][6] = &zero;
mod1add[1][7] = &zero;
mod1seg[0] = &ds;
mod1seg[1] = &ds;
mod1seg[2] = &ss;
mod1seg[3] = &ss;
mod1seg[4] = &ds;
mod1seg[5] = &ds;
mod1seg[6] = &ss;
mod1seg[7] = &ds;
mod1seg[0] = &ds;
mod1seg[1] = &ds;
mod1seg[2] = &ss;
mod1seg[3] = &ss;
mod1seg[4] = &ds;
mod1seg[5] = &ds;
mod1seg[6] = &ss;
mod1seg[7] = &ds;
}
/* Prepare the ZNP table needed to speed up the setting of the Z, N, and P cpu_state.flags. */
static void
makeznptable(void)
{
int c, d, e;
for (c = 0; c < 256; c++) {
d = 0;
for (e = 0; e < 8; e++) {
if (c & (1 << e))
d++;
}
if (d & 1)
znptable8[c] = 0;
else
znptable8[c] = P_FLAG;
d = 0;
for (e = 0; e < 8; e++) {
if (c & (1 << e))
d++;
}
if (d & 1)
znptable8[c] = 0;
else
znptable8[c] = P_FLAG;
#ifdef ENABLE_808X_LOG
if (c == 0xb1)
x808x_log("znp8 b1 = %i %02X\n", d, znptable8[c]);
if (c == 0xb1)
x808x_log("znp8 b1 = %i %02X\n", d, znptable8[c]);
#endif
if (!c)
znptable8[c] |= Z_FLAG;
if (c & 0x80)
znptable8[c] |= N_FLAG;
if (!c)
znptable8[c] |= Z_FLAG;
if (c & 0x80)
znptable8[c] |= N_FLAG;
}
for (c = 0; c < 65536; c++) {
d = 0;
for (e = 0; e < 8; e++) {
if (c & (1 << e))
d++;
}
if (d & 1)
znptable16[c] = 0;
else
znptable16[c] = P_FLAG;
d = 0;
for (e = 0; e < 8; e++) {
if (c & (1 << e))
d++;
}
if (d & 1)
znptable16[c] = 0;
else
znptable16[c] = P_FLAG;
#ifdef ENABLE_808X_LOG
if (c == 0xb1)
x808x_log("znp16 b1 = %i %02X\n", d, znptable16[c]);
if (c == 0x65b1)
x808x_log("znp16 65b1 = %i %02X\n", d, znptable16[c]);
if (c == 0xb1)
x808x_log("znp16 b1 = %i %02X\n", d, znptable16[c]);
if (c == 0x65b1)
x808x_log("znp16 65b1 = %i %02X\n", d, znptable16[c]);
#endif
if (!c)
znptable16[c] |= Z_FLAG;
if (c & 0x8000)
znptable16[c] |= N_FLAG;
if (!c)
znptable16[c] |= Z_FLAG;
if (c & 0x8000)
znptable16[c] |= N_FLAG;
}
}
/* Common reset function. */
static void
reset_common(int hard)
{
#ifdef ENABLE_808X_LOG
if (hard)
x808x_log("x86 reset\n");
x808x_log("x86 reset\n");
#endif
if (!hard && reset_on_hlt) {
hlt_reset_pending++;
pclog("hlt_reset_pending = %i\n", hlt_reset_pending);
if (hlt_reset_pending == 2)
hlt_reset_pending = 0;
else
return;
hlt_reset_pending++;
pclog("hlt_reset_pending = %i\n", hlt_reset_pending);
if (hlt_reset_pending == 2)
hlt_reset_pending = 0;
else
return;
}
/* Make sure to gracefully leave SMM. */
if (in_smm)
leave_smm();
leave_smm();
/* Needed for the ALi M1533. */
if (is486 && (hard || soft_reset_pci)) {
pci_reset();
if (!hard && soft_reset_pci) {
dma_reset();
/* TODO: Hack, but will do for time being, because all AT machines currently are 286+,
and vice-versa. */
dma_set_at(is286);
device_reset_all();
}
pci_reset();
if (!hard && soft_reset_pci) {
dma_reset();
/* TODO: Hack, but will do for time being, because all AT machines currently are 286+,
and vice-versa. */
dma_set_at(is286);
device_reset_all();
}
}
use32 = 0;
use32 = 0;
cpu_cur_status = 0;
stack32 = 0;
msr.fcr = (1 << 8) | (1 << 9) | (1 << 12) | (1 << 16) | (1 << 19) | (1 << 21);
msw = 0;
stack32 = 0;
msr.fcr = (1 << 8) | (1 << 9) | (1 << 12) | (1 << 16) | (1 << 19) | (1 << 21);
msw = 0;
if (hascache)
cr0 = 1 << 30;
cr0 = 1 << 30;
else
cr0 = 0;
cr0 = 0;
cpu_cache_int_enabled = 0;
cpu_update_waitstates();
cr4 = 0;
cr4 = 0;
cpu_state.eflags = 0;
cgate32 = 0;
cgate32 = 0;
if (is286) {
loadcs(0xF000);
cpu_state.pc = 0xFFF0;
rammask = cpu_16bitbus ? 0xFFFFFF : 0xFFFFFFFF;
if (is6117)
rammask |= 0x03000000;
loadcs(0xF000);
cpu_state.pc = 0xFFF0;
rammask = cpu_16bitbus ? 0xFFFFFF : 0xFFFFFFFF;
if (is6117)
rammask |= 0x03000000;
}
idt.base = 0;
idt.base = 0;
cpu_state.flags = 2;
trap = 0;
trap = 0;
idt.limit = is386 ? 0x03ff : 0xffff;
if (is386 || hard)
EAX = EBX = ECX = EDX = ESI = EDI = EBP = ESP = 0;
EAX = EBX = ECX = EDX = ESI = EDI = EBP = ESP = 0;
if (hard) {
makeznptable();
resetreadlookup();
makemod1table();
cpu_set_edx();
mmu_perm = 4;
makeznptable();
resetreadlookup();
makemod1table();
cpu_set_edx();
mmu_perm = 4;
}
x86seg_reset();
#ifdef USE_DYNAREC
if (hard)
codegen_reset();
codegen_reset();
#endif
if (!hard)
flushmmucache();
flushmmucache();
x86_was_reset = 1;
cpu_alt_reset = 0;
@@ -304,12 +298,12 @@ reset_common(int hard)
in_smm = smi_latched = 0;
smi_line = smm_in_hlt = 0;
smi_block = 0;
smi_block = 0;
if (hard) {
if (is486)
smbase = is_am486dxl ? 0x00060000 : 0x00030000;
ppi_reset();
if (is486)
smbase = is_am486dxl ? 0x00060000 : 0x00030000;
ppi_reset();
}
in_sys = 0;
@@ -317,17 +311,16 @@ reset_common(int hard)
alt_access = cpu_end_block_after_ins = 0;
if (hard) {
reset_on_hlt = hlt_reset_pending = 0;
cache_index = 0;
memset(_tr, 0x00, sizeof(_tr));
memset(_cache, 0x00, sizeof(_cache));
reset_on_hlt = hlt_reset_pending = 0;
cache_index = 0;
memset(_tr, 0x00, sizeof(_tr));
memset(_cache, 0x00, sizeof(_cache));
}
if (!is286)
reset_808x(hard);
reset_808x(hard);
}
/* Hard reset. */
void
resetx86(void)
@@ -337,13 +330,12 @@ resetx86(void)
soft_reset_mask = 0;
}
/* Soft reset. */
void
softresetx86(void)
{
if (soft_reset_mask)
return;
return;
if (ibm8514_enabled || xga_enabled)
vga_on = 1;
@@ -351,7 +343,6 @@ softresetx86(void)
reset_common(0);
}
/* Actual hard reset. */
void
hardresetx86(void)