From 05d143857ccadfa2ab3a9bf11461482f8e3a53b7 Mon Sep 17 00:00:00 2001 From: oharboe Date: Mon, 19 May 2008 19:02:36 +0000 Subject: Fix crash when mode number fetched from the target is invalid. git-svn-id: svn://svn.berlios.de/openocd/trunk@667 b42882b7-edfa-0310-969c-e2dbd0fdcd60 --- src/target/arm920t.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'src/target/arm920t.c') diff --git a/src/target/arm920t.c b/src/target/arm920t.c index 2dff6b94..9e9bf1a5 100644 --- a/src/target/arm920t.c +++ b/src/target/arm920t.c @@ -335,6 +335,9 @@ int arm920t_read_cp15_interpreted(target_t *target, u32 cp15_opcode, u32 address LOG_DEBUG("cp15_opcode: %8.8x, address: %8.8x, value: %8.8x", cp15_opcode, address, *value); #endif + if (armv4_5_mode_to_number(armv4_5->core_mode)==-1) + return ERROR_FAIL; + ARMV4_5_CORE_REG_MODE(armv4_5->core_cache, armv4_5->core_mode, 0).dirty = 1; ARMV4_5_CORE_REG_MODE(armv4_5->core_cache, armv4_5->core_mode, 1).dirty = 1; @@ -370,6 +373,9 @@ int arm920t_write_cp15_interpreted(target_t *target, u32 cp15_opcode, u32 value, LOG_DEBUG("cp15_opcode: %8.8x, value: %8.8x, address: %8.8x", cp15_opcode, value, address); #endif + if (armv4_5_mode_to_number(armv4_5->core_mode)==-1) + return ERROR_FAIL; + ARMV4_5_CORE_REG_MODE(armv4_5->core_cache, armv4_5->core_mode, 0).dirty = 1; ARMV4_5_CORE_REG_MODE(armv4_5->core_cache, armv4_5->core_mode, 1).dirty = 1; @@ -1000,6 +1006,9 @@ int arm920t_handle_read_cache_command(struct command_context_s *cmd_ctx, char *c fclose(output); + if (armv4_5_mode_to_number(armv4_5->core_mode)==-1) + return ERROR_FAIL; + /* mark registers dirty. */ ARMV4_5_CORE_REG_MODE(armv4_5->core_cache, armv4_5->core_mode, 0).dirty = ARMV4_5_CORE_REG_MODE(armv4_5->core_cache, armv4_5->core_mode, 0).valid; ARMV4_5_CORE_REG_MODE(armv4_5->core_cache, armv4_5->core_mode, 1).dirty = ARMV4_5_CORE_REG_MODE(armv4_5->core_cache, armv4_5->core_mode, 1).valid; @@ -1261,6 +1270,9 @@ int arm920t_handle_read_mmu_command(struct command_context_s *cmd_ctx, char *cmd fclose(output); + if (armv4_5_mode_to_number(armv4_5->core_mode)==-1) + return ERROR_FAIL; + /* mark registers dirty */ ARMV4_5_CORE_REG_MODE(armv4_5->core_cache, armv4_5->core_mode, 0).dirty = ARMV4_5_CORE_REG_MODE(armv4_5->core_cache, armv4_5->core_mode, 0).valid; ARMV4_5_CORE_REG_MODE(armv4_5->core_cache, armv4_5->core_mode, 1).dirty = ARMV4_5_CORE_REG_MODE(armv4_5->core_cache, armv4_5->core_mode, 1).valid; -- cgit v1.2.3