mips: support reading and writing of hi/lo regs

unicorn-engine · Nov 7, 2021 · 7268c2a · 7268c2a
1 parent 8732cff
commit 7268c2a
Showing 1 changed file with 12 additions and 0 deletions.
diff --git a/qemu/target/mips/unicorn.c b/qemu/target/mips/unicorn.c
@@ -77,6 +77,12 @@ static void reg_read(CPUMIPSState *env, unsigned int regid, void *value)
         switch (regid) {
         default:
             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:
             *(mipsreg_t *)value = env->active_tc.PC;
             break;
@@ -103,6 +109,12 @@ static void reg_write(CPUMIPSState *env, unsigned int regid, const void *value)
         switch (regid) {
         default:
             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:
             env->active_tc.PC = *(mipsreg_t *)value;
             break;