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-rw-r--r--sim/mips/interp.c52
1 files changed, 44 insertions, 8 deletions
diff --git a/sim/mips/interp.c b/sim/mips/interp.c
index 3ee5001..4975008 100644
--- a/sim/mips/interp.c
+++ b/sim/mips/interp.c
@@ -850,8 +850,17 @@ sim_store_register (sd,rn,memory,length)
cpu->fpr_state[rn - FGRIDX] = fmt_uninterpreted;
if (cpu->register_widths[rn] == 32)
{
- cpu->fgr[rn - FGRIDX] = T2H_4 (*(unsigned32*)memory);
- return 4;
+ if (length == 8)
+ {
+ cpu->fgr[rn - FGRIDX] =
+ (unsigned32) T2H_8 (*(unsigned64*)memory);
+ return 8;
+ }
+ else
+ {
+ cpu->fgr[rn - FGRIDX] = T2H_4 (*(unsigned32*)memory);
+ return 4;
+ }
}
else
{
@@ -862,8 +871,17 @@ sim_store_register (sd,rn,memory,length)
if (cpu->register_widths[rn] == 32)
{
- cpu->registers[rn] = T2H_4 (*(unsigned32*)memory);
- return 4;
+ if (length == 8)
+ {
+ cpu->registers[rn] =
+ (unsigned32) T2H_8 (*(unsigned64*)memory);
+ return 8;
+ }
+ else
+ {
+ cpu->registers[rn] = T2H_4 (*(unsigned32*)memory);
+ return 4;
+ }
}
else
{
@@ -903,8 +921,17 @@ sim_fetch_register (sd,rn,memory,length)
{
if (cpu->register_widths[rn] == 32)
{
- *(unsigned32*)memory = H2T_4 (cpu->fgr[rn - FGRIDX]);
- return 4;
+ if (length == 8)
+ {
+ *(unsigned64*)memory =
+ H2T_8 ((unsigned32) (cpu->fgr[rn - FGRIDX]));
+ return 8;
+ }
+ else
+ {
+ *(unsigned32*)memory = H2T_4 (cpu->fgr[rn - FGRIDX]);
+ return 4;
+ }
}
else
{
@@ -915,8 +942,17 @@ sim_fetch_register (sd,rn,memory,length)
if (cpu->register_widths[rn] == 32)
{
- *(unsigned32*)memory = H2T_4 ((unsigned32)(cpu->registers[rn]));
- return 4;
+ if (length == 8)
+ {
+ *(unsigned64*)memory =
+ H2T_8 ((unsigned32) (cpu->registers[rn]));
+ return 8;
+ }
+ else
+ {
+ *(unsigned32*)memory = H2T_4 ((unsigned32)(cpu->registers[rn]));
+ return 4;
+ }
}
else
{