diff options
| author | Richard Henderson <rth@twiddle.net> | 2011-04-27 09:22:52 -0700 |
|---|---|---|
| committer | Richard Henderson <rth@twiddle.net> | 2011-10-08 08:49:09 -0700 |
| commit | 034ebc2753e7d16879a91e4407c4e0706f63604e (patch) | |
| tree | 2295fa229575afd9aeb071e29db3354f47f62cce /target-alpha | |
| parent | bc24270e6471fb916a3816de9e63c31474392739 (diff) | |
target-alpha: Implement HALT IPR.
Signed-off-by: Richard Henderson <rth@twiddle.net>
Diffstat (limited to 'target-alpha')
| -rw-r--r-- | target-alpha/helper.h | 1 | ||||
| -rw-r--r-- | target-alpha/op_helper.c | 10 | ||||
| -rw-r--r-- | target-alpha/translate.c | 5 |
3 files changed, 16 insertions, 0 deletions
diff --git a/target-alpha/helper.h b/target-alpha/helper.h index 2dec57e44..c352c2493 100644 --- a/target-alpha/helper.h +++ b/target-alpha/helper.h @@ -113,6 +113,7 @@ DEF_HELPER_2(stq_c_phys, i64, i64, i64) DEF_HELPER_FLAGS_0(tbia, TCG_CALL_CONST, void) DEF_HELPER_FLAGS_1(tbis, TCG_CALL_CONST, void, i64) +DEF_HELPER_1(halt, void, i64); #endif #include "def-helper.h" diff --git a/target-alpha/op_helper.c b/target-alpha/op_helper.c index d8945dcbc..1896ab8b0 100644 --- a/target-alpha/op_helper.c +++ b/target-alpha/op_helper.c @@ -22,6 +22,7 @@ #include "host-utils.h" #include "softfloat.h" #include "helper.h" +#include "sysemu.h" #include "qemu-timer.h" #define FP_STATUS (env->fp_status) @@ -1218,6 +1219,15 @@ void helper_tbis(uint64_t p) { tlb_flush_page(env, p); } + +void helper_halt(uint64_t restart) +{ + if (restart) { + qemu_system_reset_request(); + } else { + qemu_system_shutdown_request(); + } +} #endif /*****************************************************************************/ diff --git a/target-alpha/translate.c b/target-alpha/translate.c index c1ef46567..0acbd682d 100644 --- a/target-alpha/translate.c +++ b/target-alpha/translate.c @@ -1645,6 +1645,11 @@ static ExitStatus gen_mtpr(DisasContext *ctx, int rb, int regno) tcg_gen_st32_i64(tmp, cpu_env, offsetof(CPUState, halted)); return gen_excp(ctx, EXCP_HLT, 0); + case 252: + /* HALT */ + gen_helper_halt(tmp); + return EXIT_PC_STALE; + default: /* The basic registers are data only, and unknown registers are read-zero, write-ignore. */ |