diff options
| author | bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162> | 2005-07-02 14:31:34 +0000 |
|---|---|---|
| committer | bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162> | 2005-07-02 14:31:34 +0000 |
| commit | 3475187dd814be9b27c4632b59c1e3c76d966d63 (patch) | |
| tree | d9936e5d6491dfd61627ab5c0134eb8910caa98d /target-sparc/op_mem.h | |
| parent | 8979b2277d92d0acd0fd3be523a7515f86f79bec (diff) | |
| download | qemu-3475187dd814be9b27c4632b59c1e3c76d966d63.tar.gz | |
sparc64 marge (Blue Swirl)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1462 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'target-sparc/op_mem.h')
| -rw-r--r-- | target-sparc/op_mem.h | 59 |
1 files changed, 56 insertions, 3 deletions
diff --git a/target-sparc/op_mem.h b/target-sparc/op_mem.h index 9f6ecefd8f..2407c15d8b 100644 --- a/target-sparc/op_mem.h +++ b/target-sparc/op_mem.h @@ -2,9 +2,15 @@ #define SPARC_LD_OP(name, qp) \ void OPPROTO glue(glue(op_, name), MEMSUFFIX)(void) \ { \ - T1 = glue(qp, MEMSUFFIX)(T0); \ + T1 = (target_ulong)glue(qp, MEMSUFFIX)(T0); \ } +#define SPARC_LD_OP_S(name, qp) \ + void OPPROTO glue(glue(op_, name), MEMSUFFIX)(void) \ + { \ + T1 = (target_long)glue(qp, MEMSUFFIX)(T0); \ + } + #define SPARC_ST_OP(name, op) \ void OPPROTO glue(glue(op_, name), MEMSUFFIX)(void) \ { \ @@ -14,8 +20,8 @@ void OPPROTO glue(glue(op_, name), MEMSUFFIX)(void) \ SPARC_LD_OP(ld, ldl); SPARC_LD_OP(ldub, ldub); SPARC_LD_OP(lduh, lduw); -SPARC_LD_OP(ldsb, ldsb); -SPARC_LD_OP(ldsh, ldsw); +SPARC_LD_OP_S(ldsb, ldsb); +SPARC_LD_OP_S(ldsh, ldsw); /*** Integer store ***/ SPARC_ST_OP(st, stl); @@ -68,4 +74,51 @@ void OPPROTO glue(op_lddf, MEMSUFFIX) (void) { DT0 = glue(ldfq, MEMSUFFIX)(T0); } + +#ifdef TARGET_SPARC64 +/* XXX: Should be Atomically */ +/* XXX: There are no cas[x] instructions, only cas[x]a */ +void OPPROTO glue(op_cas, MEMSUFFIX)(void) +{ + uint32_t tmp; + + tmp = glue(ldl, MEMSUFFIX)(T0); + T2 &= 0xffffffffULL; + if (tmp == (T1 & 0xffffffffULL)) { + glue(stl, MEMSUFFIX)(T0, T2); + } + T2 = tmp; +} + +void OPPROTO glue(op_casx, MEMSUFFIX)(void) +{ + uint64_t tmp; + + // XXX + tmp = (uint64_t)glue(ldl, MEMSUFFIX)(T0) << 32; + tmp |= glue(ldl, MEMSUFFIX)(T0); + if (tmp == T1) { + glue(stq, MEMSUFFIX)(T0, T2); + } + T2 = tmp; +} + +void OPPROTO glue(op_ldsw, MEMSUFFIX)(void) +{ + T1 = (int64_t)glue(ldl, MEMSUFFIX)(T0); +} + +void OPPROTO glue(op_ldx, MEMSUFFIX)(void) +{ + // XXX + T1 = (uint64_t)glue(ldl, MEMSUFFIX)(T0) << 32; + T1 |= glue(ldl, MEMSUFFIX)(T0); +} + +void OPPROTO glue(op_stx, MEMSUFFIX)(void) +{ + glue(stl, MEMSUFFIX)(T0, T1 >> 32); + glue(stl, MEMSUFFIX)(T0, T1 & 0xffffffff); +} +#endif #undef MEMSUFFIX |