Commit bbf7d96b451ea3b6339520b974793f121cfd2c19
1 parent
295db113
Fix MXCC error register (Robert Reif)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3662 c046a42c-6fe2-441c-8c8c-71466251a162
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2 additions
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4 deletions
target-sparc/op_helper.c
| ... | ... | @@ -446,13 +446,11 @@ void helper_st_asi(int asi, int size) |
| 446 | 446 | DPRINTF_MXCC("%08x: unimplemented access size: %d\n", T0, size); |
| 447 | 447 | break; |
| 448 | 448 | case 0x01c00e00: /* MXCC error register */ |
| 449 | + // writing a 1 bit clears the error | |
| 449 | 450 | if (size == 8) |
| 450 | - env->mxccregs[6] = ((uint64_t)T1 << 32) | T2; | |
| 451 | + env->mxccregs[6] &= ~(((uint64_t)T1 << 32) | T2); | |
| 451 | 452 | else |
| 452 | 453 | DPRINTF_MXCC("%08x: unimplemented access size: %d\n", T0, size); |
| 453 | - if (env->mxccregs[6] == 0xffffffffffffffffULL) { | |
| 454 | - // this is probably a reset | |
| 455 | - } | |
| 456 | 454 | break; |
| 457 | 455 | case 0x01c00f00: /* MBus port address register */ |
| 458 | 456 | if (size == 8) | ... | ... |