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| author | Richard Henderson <richard.henderson@linaro.org> | 2017-10-29 16:31:08 +0100 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2018-01-30 10:08:18 -0800 |
| commit | 08aec8b53c76b90f935b96ba2f466331a8a3b8ae (patch) | |
| tree | d75e897403522a9cf590db89b34eebedd48f93a9 | |
| parent | 1a19da0da44430581bf48b595d75ad6e9fc7e428 (diff) | |
| download | qemu-08aec8b53c76b90f935b96ba2f466331a8a3b8ae.zip qemu-08aec8b53c76b90f935b96ba2f466331a8a3b8ae.tar.gz qemu-08aec8b53c76b90f935b96ba2f466331a8a3b8ae.tar.bz2 | |
target/hppa: Implement unaligned access trap
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
| -rw-r--r-- | target/hppa/cpu.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/target/hppa/cpu.c b/target/hppa/cpu.c index ca61957..4d0b760 100644 --- a/target/hppa/cpu.c +++ b/target/hppa/cpu.c @@ -48,6 +48,23 @@ static void hppa_cpu_disas_set_info(CPUState *cs, disassemble_info *info) info->print_insn = print_insn_hppa; } +static void hppa_cpu_do_unaligned_access(CPUState *cs, vaddr addr, + MMUAccessType access_type, + int mmu_idx, uintptr_t retaddr) +{ + HPPACPU *cpu = HPPA_CPU(cs); + CPUHPPAState *env = &cpu->env; + + cs->exception_index = EXCP_UNALIGN; + if (env->psw & PSW_Q) { + /* ??? Needs tweaking for hppa64. */ + env->cr[CR_IOR] = addr; + env->cr[CR_ISR] = addr >> 32; + } + + cpu_loop_exit_restore(cs, retaddr); +} + static void hppa_cpu_realizefn(DeviceState *dev, Error **errp) { CPUState *cs = CPU(dev); @@ -139,7 +156,7 @@ static void hppa_cpu_class_init(ObjectClass *oc, void *data) #else cc->get_phys_page_debug = hppa_cpu_get_phys_page_debug; #endif - + cc->do_unaligned_access = hppa_cpu_do_unaligned_access; cc->disas_set_info = hppa_cpu_disas_set_info; cc->tcg_initialize = hppa_translate_init; |