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[Qemu-devel] [PATCH v16 12/35] target-tilegx: Generate SEGV properly
From: |
Richard Henderson |
Subject: |
[Qemu-devel] [PATCH v16 12/35] target-tilegx: Generate SEGV properly |
Date: |
Mon, 14 Sep 2015 15:43:19 -0700 |
Reviewed-by: Peter Maydell <address@hidden>
Signed-off-by: Richard Henderson <address@hidden>
---
linux-user/main.c | 3 +++
target-tilegx/cpu.c | 5 ++++-
target-tilegx/cpu.h | 2 ++
3 files changed, 9 insertions(+), 1 deletion(-)
diff --git a/linux-user/main.c b/linux-user/main.c
index f3a37a2..57c1942 100644
--- a/linux-user/main.c
+++ b/linux-user/main.c
@@ -3460,6 +3460,9 @@ void cpu_loop(CPUTLGState *env)
case TILEGX_EXCP_REG_UDN_ACCESS:
gen_sigill_reg(env);
break;
+ case TILEGX_EXCP_SEGV:
+ gen_sigsegv_mapper(env, env->excaddr);
+ break;
default:
fprintf(stderr, "trapnr is %d[0x%x].\n", trapnr, trapnr);
g_assert_not_reached();
diff --git a/target-tilegx/cpu.c b/target-tilegx/cpu.c
index 87aee24..78b73e4 100644
--- a/target-tilegx/cpu.c
+++ b/target-tilegx/cpu.c
@@ -119,7 +119,10 @@ static void tilegx_cpu_do_interrupt(CPUState *cs)
static int tilegx_cpu_handle_mmu_fault(CPUState *cs, vaddr address, int rw,
int mmu_idx)
{
- cpu_dump_state(cs, stderr, fprintf, 0);
+ TileGXCPU *cpu = TILEGX_CPU(cs);
+
+ cs->exception_index = TILEGX_EXCP_SEGV;
+ cpu->env.excaddr = address;
return 1;
}
diff --git a/target-tilegx/cpu.h b/target-tilegx/cpu.h
index 2c86cd3..3a62d20 100644
--- a/target-tilegx/cpu.h
+++ b/target-tilegx/cpu.h
@@ -60,6 +60,7 @@ enum {
typedef enum {
TILEGX_EXCP_NONE = 0,
TILEGX_EXCP_SYSCALL = 1,
+ TILEGX_EXCP_SEGV = 2,
TILEGX_EXCP_OPCODE_UNKNOWN = 0x101,
TILEGX_EXCP_OPCODE_UNIMPLEMENTED = 0x102,
TILEGX_EXCP_OPCODE_CMPEXCH = 0x103,
@@ -87,6 +88,7 @@ typedef struct CPUTLGState {
#if defined(CONFIG_USER_ONLY)
uint32_t excparam; /* exception parameter */
+ uint64_t excaddr; /* exception address */
#endif
CPU_COMMON
--
2.4.3
- [Qemu-devel] [PATCH v16 02/35] linux-user: Support tilegx architecture in linux-user, (continued)
- [Qemu-devel] [PATCH v16 02/35] linux-user: Support tilegx architecture in linux-user, Richard Henderson, 2015/09/14
- [Qemu-devel] [PATCH v16 03/35] linux-user: Conditionalize syscalls which are not defined in tilegx, Richard Henderson, 2015/09/14
- [Qemu-devel] [PATCH v16 07/35] target-tilegx: Fix LDNA_ADD_IMM8_OPCODE_X1, Richard Henderson, 2015/09/14
- [Qemu-devel] [PATCH v16 06/35] target-tilegx: Modify _SPECIAL_ opcodes, Richard Henderson, 2015/09/14
- [Qemu-devel] [PATCH v16 01/35] linux-user: tilegx: Add architecture related features, Richard Henderson, 2015/09/14
- [Qemu-devel] [PATCH v16 04/35] target-tilegx: Add opcode basic implementation from Tilera Corporation, Richard Henderson, 2015/09/14
- [Qemu-devel] [PATCH v16 05/35] target-tilegx: Modify opcode_tilegx.h to fit QEMU usage, Richard Henderson, 2015/09/14
- [Qemu-devel] [PATCH v16 08/35] target-tilegx: Add special register information from Tilera Corporation, Richard Henderson, 2015/09/14
- [Qemu-devel] [PATCH v16 09/35] target-tilegx: Add cpu basic features for linux-user, Richard Henderson, 2015/09/14
- [Qemu-devel] [PATCH v16 13/35] target-tilegx: Add TILE-Gx building files, Richard Henderson, 2015/09/14
- [Qemu-devel] [PATCH v16 12/35] target-tilegx: Generate SEGV properly,
Richard Henderson <=
- [Qemu-devel] [PATCH v16 10/35] target-tilegx: Add several helpers for instructions translation, Richard Henderson, 2015/09/14
- [Qemu-devel] [PATCH v16 14/35] target-tilegx: Handle simple logical operations, Richard Henderson, 2015/09/14
- [Qemu-devel] [PATCH v16 15/35] target-tilegx: Handle arithmetic instructions, Richard Henderson, 2015/09/14
- [Qemu-devel] [PATCH v16 17/35] target-arm: Use new revbit functions, Richard Henderson, 2015/09/14
- [Qemu-devel] [PATCH v16 16/35] host-utils: Add revbit functions, Richard Henderson, 2015/09/14
- [Qemu-devel] [PATCH v16 18/35] target-tilegx: Handle most bit manipulation instructions, Richard Henderson, 2015/09/14
- [Qemu-devel] [PATCH v16 11/35] target-tilegx: Framework for decoding bundles, Richard Henderson, 2015/09/14