From 9b9dc7aceca411f1fb69d5426e5e88dd204813ed Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Fri, 21 Aug 2015 11:49:38 -0700 Subject: [PATCH] target-tilegx: Generate SEGV properly Reviewed-by: Peter Maydell Signed-off-by: Richard Henderson --- 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 7ecb018616..4b579c9d23 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_maperr(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 87aee248b4..78b73e45c4 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 2c86cd3890..3a62d20106 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