From: Richard Henderson <rth@twiddle.net>
To: qemu-devel@nongnu.org
Subject: [Qemu-devel] [PATCH 5/6] target-alpha: Implement HALT IPR.
Date: Thu, 25 Aug 2011 11:45:21 -1000 [thread overview]
Message-ID: <1314308722-14495-6-git-send-email-rth@twiddle.net> (raw)
In-Reply-To: <1314308722-14495-1-git-send-email-rth@twiddle.net>
Signed-off-by: Richard Henderson <rth@twiddle.net>
---
target-alpha/helper.h | 1 +
target-alpha/op_helper.c | 10 ++++++++++
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 2dec57e..c352c24 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 38be234..db5b9e7 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 86343df..842f915 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. */
--
1.7.4.4
next prev parent reply other threads:[~2011-08-25 21:46 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-25 21:45 [Qemu-devel] [PULL][PATCH 0/6] Alpha system emulation, v9 Richard Henderson
2011-08-25 21:45 ` [Qemu-devel] [PATCH 1/6] target-alpha: Add custom PALcode image for CLIPPER emulation Richard Henderson
2011-08-26 4:09 ` Peter Maydell
2011-08-25 21:45 ` [Qemu-devel] [PATCH 2/6] target-alpha: Add " Richard Henderson
2011-08-25 21:45 ` [Qemu-devel] [PATCH 3/6] " Richard Henderson
2011-08-25 21:45 ` [Qemu-devel] [PATCH 4/6] target-alpha: Implement WAIT IPR Richard Henderson
2011-08-25 21:45 ` Richard Henderson [this message]
2011-08-25 21:45 ` [Qemu-devel] [PATCH 6/6] target-alpha: Add high-resolution access to wall clock and an alarm Richard Henderson
2011-08-26 3:51 ` Peter Maydell
2011-08-26 9:07 ` Paolo Bonzini
2011-08-26 16:28 ` Richard Henderson
2011-08-26 16:36 ` Peter Maydell
2011-08-26 20:03 ` Richard Henderson
2011-08-26 20:12 ` Richard Henderson
2011-08-27 16:44 ` Edgar E. Iglesias
2011-08-25 21:59 ` [Qemu-devel] [PULL][PATCH 0/6] Alpha system emulation, v9 Richard Henderson
2011-09-22 15:30 [Qemu-devel] [PATCH 0/6] Alpha system emulation, v11 Richard Henderson
2011-09-22 15:30 ` [Qemu-devel] [PATCH 5/6] target-alpha: Implement HALT IPR Richard Henderson
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