Merge pull request #292 from lioncash/backports
Backport more skyeye fixes from 3dmoo
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commit
075126247f
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@ -3103,12 +3103,18 @@ mainswitch:
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state->Reg[idest] = (state->Reg[rfis] & 0xFFFF) | ((state->Reg[rlast] << ishi) & 0xFFFF0000);
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break;
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} else if ((instr & 0x70) == 0x50) { //pkhtb
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u8 idest = BITS(12, 15);
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u8 rfis = BITS(16, 19);
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u8 rlast = BITS(0, 3);
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u8 ishi = BITS(7, 11);
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if (ishi == 0)ishi = 0x20;
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state->Reg[idest] = (((int)(state->Reg[rlast]) >> (int)(ishi))& 0xFFFF) | ((state->Reg[rfis]) & 0xFFFF0000);
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const u8 rd_idx = BITS(12, 15);
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const u8 rn_idx = BITS(16, 19);
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const u8 rm_idx = BITS(0, 3);
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const u8 imm5 = BITS(7, 11);
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ARMword val;
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if (imm5 >= 32)
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val = (state->Reg[rm_idx] >> 31);
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else
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val = (state->Reg[rm_idx] >> imm5);
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state->Reg[rd_idx] = (val & 0xFFFF) | ((state->Reg[rn_idx]) & 0xFFFF0000);
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break;
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} else if (BIT (4)) {
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#ifdef MODE32
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@ -6049,7 +6055,7 @@ L_stm_s_takeabort:
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break;
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}
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Rm = ((state->Reg[BITS(0, 3)] >> ror) & 0xFF);
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Rm = ((state->Reg[BITS(0, 3)] >> ror) & 0xFF) | ((state->Reg[BITS(0, 3)] << (32 - ror)) & 0xFF) & 0xFF;
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if (Rm & 0x80)
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Rm |= 0xffffff00;
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@ -6058,11 +6064,12 @@ L_stm_s_takeabort:
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state->Reg[BITS(12, 15)] = Rm;
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else
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/* SXTAB */
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state->Reg[BITS(12, 15)] += Rm;
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state->Reg[BITS(12, 15)] = state->Reg[BITS(16, 19)] + Rm;
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return 1;
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}
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case 0x6b: {
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case 0x6b:
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{
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ARMword Rm;
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int ror = -1;
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@ -6080,10 +6087,10 @@ L_stm_s_takeabort:
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ror = 24;
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break;
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case 0xf3:
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case 0xf3: // REV
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DEST = ((RHS & 0xFF) << 24) | ((RHS & 0xFF00)) << 8 | ((RHS & 0xFF0000) >> 8) | ((RHS & 0xFF000000) >> 24);
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return 1;
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case 0xfb:
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case 0xfb: // REV16
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DEST = ((RHS & 0xFF) << 8) | ((RHS & 0xFF00)) >> 8 | ((RHS & 0xFF0000) << 8) | ((RHS & 0xFF000000) >> 8);
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return 1;
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default:
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@ -6093,7 +6100,7 @@ L_stm_s_takeabort:
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if (ror == -1)
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break;
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Rm = ((state->Reg[BITS(0, 3)] >> ror) & 0xFFFF);
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Rm = ((state->Reg[BITS(0, 3)] >> ror) & 0xFFFF) | ((state->Reg[BITS(0, 3)] << (32 - ror)) & 0xFFFF) & 0xFFFF;
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if (Rm & 0x8000)
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Rm |= 0xffff0000;
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@ -6180,7 +6187,7 @@ L_stm_s_takeabort:
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break;
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}
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Rm = ((state->Reg[BITS(0, 3)] >> ror) & 0xFF);
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Rm = ((state->Reg[BITS(0, 3)] >> ror) & 0xFF) | ((state->Reg[BITS(0, 3)] << (32 - ror)) & 0xFF) & 0xFF;
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if (BITS(16, 19) == 0xf)
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/* UXTB */
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@ -6210,9 +6217,13 @@ L_stm_s_takeabort:
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ror = 24;
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break;
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case 0xfb:
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printf("Unhandled v6 insn: revsh\n");
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return 0;
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case 0xfb: // REVSH
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{
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DEST = ((RHS & 0xFF) << 8) | ((RHS & 0xFF00) >> 8);
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if (DEST & 0x8000)
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DEST |= 0xffff0000;
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return 1;
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}
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default:
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break;
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}
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@ -6220,13 +6231,13 @@ L_stm_s_takeabort:
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if (ror == -1)
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break;
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Rm = ((state->Reg[BITS(0, 3)] >> ror) & 0xFFFF);
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Rm = ((state->Reg[BITS(0, 3)] >> ror) & 0xFFFF) | ((state->Reg[BITS(0, 3)] << (32 - ror)) & 0xFFFF) & 0xFFFF;
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/* UXT */
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/* state->Reg[BITS (12, 15)] = Rm; */
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/* dyf add */
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if (BITS(16, 19) == 0xf) {
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state->Reg[BITS(12, 15)] = (Rm >> (8 * BITS(10, 11))) & 0x0000FFFF;
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state->Reg[BITS(12, 15)] = Rm;
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}
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else {
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/* UXTAH */
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@ -6234,7 +6245,7 @@ L_stm_s_takeabort:
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// printf("rd is %x rn is %x rm is %x rotate is %x\n", state->Reg[BITS (12, 15)], state->Reg[BITS (16, 19)]
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// , Rm, BITS(10, 11));
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// printf("icounter is %lld\n", state->NumInstrs);
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state->Reg[BITS(12, 15)] = (state->Reg[BITS(16, 19)] >> (8 * (BITS(10, 11)))) + Rm;
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state->Reg[BITS(12, 15)] = state->Reg[BITS(16, 19)] + Rm;
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// printf("rd is %x\n", state->Reg[BITS (12, 15)]);
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// exit(-1);
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}
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