mirrors/cosmopolitan
1
0
Fork 0
mirror of https://github.com/jart/cosmopolitan.git synced 2025-05-23 13:52:28 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

Add minor improvements and cleanup

Browse source
This commit is contained in:
Justine Tunney 2020-10-27 03:39:46 -07:00
parent 9e3e985ae5
commit feed0d2b0e
163 changed files with 2286 additions and 2245 deletions
Download patch file Download diff file Expand all files Collapse all files

61
tool/build/lib/machine.c
View file

@ -35,6 +35,7 @@
#include "tool/build/lib/machine.h"
#include "tool/build/lib/memory.h"
#include "tool/build/lib/modrm.h"
#include "tool/build/lib/op101.h"
#include "tool/build/lib/sse.h"
#include "tool/build/lib/ssefloat.h"
#include "tool/build/lib/ssemov.h"
@ -883,9 +884,6 @@ static void OpBsubiImm(struct Machine *m, uint32_t rde) {
Bsubi(m, rde, m->xedd->op.uimm0);
}
static void OpLgdtMs(struct Machine *m, uint32_t rde) {
}
static void OpPushImm(struct Machine *m, uint32_t rde) {
Push(m, rde, m->xedd->op.uimm0);
}
@ -1328,21 +1326,6 @@ static void Op0ff(struct Machine *m, uint32_t rde) {
kOp0ff[ModrmReg(rde)](m, rde);
}
static void Op101(struct Machine *m, uint32_t rde) {
if (IsModrmRegister(rde)) {
if (ModrmReg(rde) == 0b111 && ModrmRm(rde) == 0b001) {
OpRdtscp(m, rde);
return;
}
} else {
if (ModrmReg(rde) == 2) {
OpLgdtMs(m, rde);
return;
}
}
OpUd(m, rde);
}
static void OpDoubleShift(struct Machine *m, uint32_t rde) {
uint8_t *p;
uint64_t x;
@ -1400,6 +1383,44 @@ static void OpNop(struct Machine *m, uint32_t rde) {
}
}
static void OpMovRqCq(struct Machine *m, uint32_t rde) {
switch (ModrmReg(rde)) {
case 0:
Write64(RegRexbRm(m, rde), m->cr0);
break;
case 2:
Write64(RegRexbRm(m, rde), m->cr2);
break;
case 3:
Write64(RegRexbRm(m, rde), m->cr3);
break;
case 4:
Write64(RegRexbRm(m, rde), m->cr4);
break;
default:
OpUd(m, rde);
}
}
static void OpMovCqRq(struct Machine *m, uint32_t rde) {
switch (ModrmReg(rde)) {
case 0:
m->cr0 = Read64(RegRexbRm(m, rde));
break;
case 2:
m->cr2 = Read64(RegRexbRm(m, rde));
break;
case 3:
m->cr3 = Read64(RegRexbRm(m, rde));
break;
case 4:
m->cr4 = Read64(RegRexbRm(m, rde));
break;
default:
OpUd(m, rde);
}
}
static const nexgen32e_f kNexgen32e[] = {
[0x000] = OpAlubAdd,
[0x001] = OpAluw,
@ -1689,9 +1710,9 @@ static const nexgen32e_f kNexgen32e[] = {
[0x11D] = OpHintNopEv,
[0x11E] = OpUd,
[0x11F] = OpNopEv,
[0x120] = OpUd,
[0x120] = OpMovRqCq,
[0x121] = OpUd,
[0x122] = OpUd,
[0x122] = OpMovCqRq,
[0x123] = OpUd,
[0x124] = OpUd,
[0x125] = OpUd,