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mips: support reading and writing of hi/lo regs

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This commit is contained in:
George Hotz
2021-10-27 13:00:14 -07:00
committed by lazymio
parent 8732cff287
commit 7268c2a19b
1 changed files with 12 additions and 0 deletions
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12
qemu/target/mips/unicorn.c
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@ -77,6 +77,12 @@ static void reg_read(CPUMIPSState *env, unsigned int regid, void *value)
switch (regid) { switch (regid) {
default: default:
break; break;
case UC_MIPS_REG_HI:
*(mipsreg_t *)value = env->active_tc.HI[0];
break;
case UC_MIPS_REG_LO:
*(mipsreg_t *)value = env->active_tc.LO[0];
break;
case UC_MIPS_REG_PC: case UC_MIPS_REG_PC:
*(mipsreg_t *)value = env->active_tc.PC; *(mipsreg_t *)value = env->active_tc.PC;
break; break;
@ -103,6 +109,12 @@ static void reg_write(CPUMIPSState *env, unsigned int regid, const void *value)
switch (regid) { switch (regid) {
default: default:
break; break;
case UC_MIPS_REG_HI:
env->active_tc.HI[0] = *(mipsreg_t *)value;
break;
case UC_MIPS_REG_LO:
env->active_tc.LO[0] = *(mipsreg_t *)value;
break;
case UC_MIPS_REG_PC: case UC_MIPS_REG_PC:
env->active_tc.PC = *(mipsreg_t *)value; env->active_tc.PC = *(mipsreg_t *)value;
break; break;