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| author | Blue Swirl <blauwirbel@gmail.com> | 2011-06-18 20:27:05 +0000 |
|---|---|---|
| committer | Blue Swirl <blauwirbel@gmail.com> | 2011-06-26 18:25:09 +0000 |
| commit | 4d2c2b77f3d0c59642dd2ce799a0fb4c2a91aca8 (patch) | |
| tree | 5d4c3ab00b8f2beb54cabf241f4d5e3d0bd82049 /target-sparc/op_helper.c | |
| parent | af2be2077734e0ebfc8afbe6caf0f89a1474eef2 (diff) | |
| download | qemu-4d2c2b77f3d0c59642dd2ce799a0fb4c2a91aca8.zip qemu-4d2c2b77f3d0c59642dd2ce799a0fb4c2a91aca8.tar.gz qemu-4d2c2b77f3d0c59642dd2ce799a0fb4c2a91aca8.tar.bz2 | |
Sparc32: dummy implementation of MXCC MMU breakpoint registers
Add dummy registers for SuperSPARC MXCC MMU counter breakpoints, save
and load all MXCC registers.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Diffstat (limited to 'target-sparc/op_helper.c')
| -rw-r--r-- | target-sparc/op_helper.c | 26 |
1 files changed, 24 insertions, 2 deletions
diff --git a/target-sparc/op_helper.c b/target-sparc/op_helper.c index b38691e..e9cc1f5 100644 --- a/target-sparc/op_helper.c +++ b/target-sparc/op_helper.c @@ -1940,7 +1940,6 @@ uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign) case 0x31: // Turbosparc RAM snoop case 0x32: // Turbosparc page table descriptor diagnostic case 0x39: /* data cache diagnostic register */ - case 0x4c: /* SuperSPARC MMU Breakpoint Action register */ ret = 0; break; case 0x38: /* SuperSPARC MMU Breakpoint Control Registers */ @@ -1966,6 +1965,18 @@ uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign) ret); } break; + case 0x49: /* SuperSPARC MMU Counter Breakpoint Value */ + ret = env->mmubpctrv; + break; + case 0x4a: /* SuperSPARC MMU Counter Breakpoint Control */ + ret = env->mmubpctrc; + break; + case 0x4b: /* SuperSPARC MMU Counter Breakpoint Status */ + ret = env->mmubpctrs; + break; + case 0x4c: /* SuperSPARC MMU Breakpoint Action */ + ret = env->mmubpaction; + break; case 8: /* User code access, XXX */ default: do_unassigned_access(addr, 0, 0, asi, size); @@ -2304,7 +2315,6 @@ void helper_st_asi(target_ulong addr, uint64_t val, int asi, int size) // descriptor diagnostic case 0x36: /* I-cache flash clear */ case 0x37: /* D-cache flash clear */ - case 0x4c: /* breakpoint action */ break; case 0x38: /* SuperSPARC MMU Breakpoint Control Registers*/ { @@ -2328,6 +2338,18 @@ void helper_st_asi(target_ulong addr, uint64_t val, int asi, int size) env->mmuregs[reg]); } break; + case 0x49: /* SuperSPARC MMU Counter Breakpoint Value */ + env->mmubpctrv = val & 0xffffffff; + break; + case 0x4a: /* SuperSPARC MMU Counter Breakpoint Control */ + env->mmubpctrc = val & 0x3; + break; + case 0x4b: /* SuperSPARC MMU Counter Breakpoint Status */ + env->mmubpctrs = val & 0x3; + break; + case 0x4c: /* SuperSPARC MMU Breakpoint Action */ + env->mmubpaction = val & 0x1fff; + break; case 8: /* User code access, XXX */ case 9: /* Supervisor code access, XXX */ default: |