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Diffstat (limited to 'target-sparc/ldst_helper.c')
-rw-r--r--target-sparc/ldst_helper.c20
1 files changed, 14 insertions, 6 deletions
diff --git a/target-sparc/ldst_helper.c b/target-sparc/ldst_helper.c
index 48d433c57..97afdd32a 100644
--- a/target-sparc/ldst_helper.c
+++ b/target-sparc/ldst_helper.c
@@ -1526,6 +1526,19 @@ uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign)
ret = env->dtlb[reg].tag;
break;
}
+ case 0x48: /* Interrupt dispatch, RO */
+ break;
+ case 0x49: /* Interrupt data receive */
+ ret = env->ivec_status;
+ break;
+ case 0x7f: /* Incoming interrupt vector, RO */
+ {
+ int reg = (addr >> 4) & 0x3;
+ if (reg < 3) {
+ ret = env->ivec_data[reg];
+ }
+ break;
+ }
case 0x46: /* D-cache data */
case 0x47: /* D-cache tag access */
case 0x4b: /* E-cache error enable */
@@ -1540,11 +1553,6 @@ uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign)
case 0x7e: /* E-cache tag */
break;
case 0x5b: /* D-MMU data pointer */
- case 0x48: /* Interrupt dispatch, RO */
- case 0x49: /* Interrupt data receive */
- case 0x7f: /* Incoming interrupt vector, RO */
- /* XXX */
- break;
case 0x54: /* I-MMU data in, WO */
case 0x57: /* I-MMU demap, WO */
case 0x5c: /* D-MMU data in, WO */
@@ -1954,7 +1962,7 @@ void helper_st_asi(target_ulong addr, target_ulong val, int asi, int size)
demap_tlb(env->dtlb, addr, "dmmu", env);
return;
case 0x49: /* Interrupt data receive */
- /* XXX */
+ env->ivec_status = val & 0x20;
return;
case 0x46: /* D-cache data */
case 0x47: /* D-cache tag access */