Commit 9b9dc7ac authored by Richard Henderson's avatar Richard Henderson
Browse files

target-tilegx: Generate SEGV properly 



Reviewed-by: default avatarPeter Maydell <peter.maydell@linaro.org>
Signed-off-by: default avatarRichard Henderson <rth@twiddle.net>
parent 8fd29dd7

linux-user/main.c

+3 −0
Original line number Diff line number Diff line
@@ -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();

target-tilegx/cpu.c

+4 −1
Original line number Diff line number Diff line
@@ -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;

}

target-tilegx/cpu.h

+2 −0
Original line number Diff line number Diff line
@@ -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