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Revert "Minor checks for Data Cache opcodes and LMW"

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This reverts commit fd6327ab62.
This commit is contained in:
Maxim Poliakovski 2023-09-18 20:45:35 +02:00
parent a69763c6de
commit 8ff2125312
1 changed files with 3 additions and 21 deletions
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24
cpu/ppc/ppcopcodes.cpp
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@ -1507,9 +1507,6 @@ void dppc_interpreter::ppc_icbi() {
void dppc_interpreter::ppc_dcbf() { void dppc_interpreter::ppc_dcbf() {
/* placeholder */ /* placeholder */
ppc_grab_regsdab();
ppc_effective_address = (reg_a == 0) ? ppc_result_b : (ppc_result_a + ppc_result_b);
LOG_F(9, "DCBF attempted; EA: %d", ppc_effective_address);
} }
void dppc_interpreter::ppc_dcbi() { void dppc_interpreter::ppc_dcbi() {
@ -1517,18 +1514,10 @@ void dppc_interpreter::ppc_dcbi() {
num_supervisor_instrs++; num_supervisor_instrs++;
#endif #endif
/* placeholder */ /* placeholder */
ppc_grab_regsdab();
ppc_effective_address = (reg_a == 0) ? ppc_result_b : (ppc_result_a + ppc_result_b);
if (ppc_state.msr & 0x100000) {
ppc_exception_handler(Except_Type::EXC_PROGRAM, 0x100000);
}
LOG_F(WARNING, "DCBI attempted; EA: %d", ppc_effective_address);
} }
void dppc_interpreter::ppc_dcbst() { void dppc_interpreter::ppc_dcbst() {
ppc_grab_regsdab(); /* placeholder */
ppc_effective_address = (reg_a == 0) ? ppc_result_b : (ppc_result_a + ppc_result_b);
LOG_F(WARNING, "DCBST attempted; EA: %d", ppc_effective_address);
} }
void dppc_interpreter::ppc_dcbt() { void dppc_interpreter::ppc_dcbt() {
@ -2066,18 +2055,11 @@ void dppc_interpreter::ppc_lmw() {
ppc_grab_regsda(); ppc_grab_regsda();
ppc_effective_address = (int32_t)((int16_t)(ppc_cur_instruction & 0xFFFF)); ppc_effective_address = (int32_t)((int16_t)(ppc_cur_instruction & 0xFFFF));
ppc_effective_address += (reg_a > 0) ? ppc_result_a : 0; ppc_effective_address += (reg_a > 0) ? ppc_result_a : 0;
if (ppc_state.spr[PVR] != MPC601) {
if (reg_d <= reg_a) {
ppc_exception_handler(Except_Type::EXC_PROGRAM, 0x80000);
}
}
// How many words to load in memory - using a do-while for this // How many words to load in memory - using a do-while for this
do { do {
//ppc_state.gpr[reg_d] = mem_grab_dword(ppc_effective_address); //ppc_state.gpr[reg_d] = mem_grab_dword(ppc_effective_address);
if (reg_d != reg_a){ ppc_state.gpr[reg_d] = mmu_read_vmem<uint32_t>(ppc_effective_address);
ppc_state.gpr[reg_d] = mmu_read_vmem<uint32_t>(ppc_effective_address); ppc_effective_address += 4;
ppc_effective_address += 4;
}
reg_d++; reg_d++;
} while (reg_d < 32); } while (reg_d < 32);
} }