armv7m: use generic arm::core_mode

To simplify things change over to using the generic core_mode struct rather
than maintaining a armv7m specific one.

Change-Id: Ibf32b785d896fef4f33307fabe0d8eb266f7086f
Signed-off-by: Spencer Oliver <spen@spen-soft.co.uk>
Reviewed-on: http://openocd.zylin.com/966
Tested-by: jenkins
Reviewed-by: Andreas Fritiofson <andreas.fritiofson@gmail.com>
__archive__
Spencer Oliver 2013-01-10 12:48:15 +00:00 committed by Andreas Fritiofson
parent bf3f35092e
commit fc2abe63fd
16 changed files with 44 additions and 46 deletions

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@ -1778,7 +1778,7 @@ static int cfi_spansion_write_block(struct flash_bank *bank, uint8_t *buffer,
if (is_armv7m(target_to_armv7m(target))) { /* armv7m target */ if (is_armv7m(target_to_armv7m(target))) { /* armv7m target */
armv7m_algo.common_magic = ARMV7M_COMMON_MAGIC; armv7m_algo.common_magic = ARMV7M_COMMON_MAGIC;
armv7m_algo.core_mode = ARMV7M_MODE_HANDLER; armv7m_algo.core_mode = ARM_MODE_ANY;
arm_algo = &armv7m_algo; arm_algo = &armv7m_algo;
} else if (is_arm(target_to_arm(target))) { } else if (is_arm(target_to_arm(target))) {
/* All other ARM CPUs have 32 bit instructions */ /* All other ARM CPUs have 32 bit instructions */

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@ -610,7 +610,7 @@ static int efm32x_write_block(struct flash_bank *bank, uint8_t *buf,
buf_set_u32(reg_params[4].value, 0, 32, address); buf_set_u32(reg_params[4].value, 0, 32, address);
armv7m_info.common_magic = ARMV7M_COMMON_MAGIC; armv7m_info.common_magic = ARMV7M_COMMON_MAGIC;
armv7m_info.core_mode = ARMV7M_MODE_ANY; armv7m_info.core_mode = ARM_MODE_ANY;
ret = target_run_flash_async_algorithm(target, buf, count, 4, ret = target_run_flash_async_algorithm(target, buf, count, 4,
0, NULL, 0, NULL,

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@ -522,7 +522,7 @@ static int em357_write_block(struct flash_bank *bank, uint8_t *buffer,
; ;
armv7m_info.common_magic = ARMV7M_COMMON_MAGIC; armv7m_info.common_magic = ARMV7M_COMMON_MAGIC;
armv7m_info.core_mode = ARMV7M_MODE_ANY; armv7m_info.core_mode = ARM_MODE_ANY;
init_reg_param(&reg_params[0], "r0", 32, PARAM_OUT); init_reg_param(&reg_params[0], "r0", 32, PARAM_OUT);
init_reg_param(&reg_params[1], "r1", 32, PARAM_OUT); init_reg_param(&reg_params[1], "r1", 32, PARAM_OUT);

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@ -502,7 +502,7 @@ static int fm3_write_block(struct flash_bank *bank, uint8_t *buffer,
} }
armv7m_info.common_magic = ARMV7M_COMMON_MAGIC; armv7m_info.common_magic = ARMV7M_COMMON_MAGIC;
armv7m_info.core_mode = ARMV7M_MODE_ANY; armv7m_info.core_mode = ARM_MODE_ANY;
init_reg_param(&reg_params[0], "r0", 32, PARAM_OUT); /* source start address */ init_reg_param(&reg_params[0], "r0", 32, PARAM_OUT); /* source start address */
init_reg_param(&reg_params[1], "r1", 32, PARAM_OUT); /* target start address */ init_reg_param(&reg_params[1], "r1", 32, PARAM_OUT); /* target start address */

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@ -309,7 +309,7 @@ static int lpc2000_iap_call(struct flash_bank *bank, struct working_area *iap_wo
switch (lpc2000_info->variant) { switch (lpc2000_info->variant) {
case lpc1700: case lpc1700:
armv7m_info.common_magic = ARMV7M_COMMON_MAGIC; armv7m_info.common_magic = ARMV7M_COMMON_MAGIC;
armv7m_info.core_mode = ARMV7M_MODE_ANY; armv7m_info.core_mode = ARM_MODE_ANY;
iap_entry_point = 0x1fff1ff1; iap_entry_point = 0x1fff1ff1;
break; break;
case lpc2000_v1: case lpc2000_v1:

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@ -182,7 +182,7 @@ static int lpcspifi_set_hw_mode(struct flash_bank *bank)
}; };
armv7m_info.common_magic = ARMV7M_COMMON_MAGIC; armv7m_info.common_magic = ARMV7M_COMMON_MAGIC;
armv7m_info.core_mode = ARMV7M_MODE_ANY; armv7m_info.core_mode = ARM_MODE_ANY;
LOG_DEBUG("Allocating working area for SPIFI init algorithm"); LOG_DEBUG("Allocating working area for SPIFI init algorithm");
@ -519,7 +519,7 @@ static int lpcspifi_erase(struct flash_bank *bank, int first, int last)
}; };
armv7m_info.common_magic = ARMV7M_COMMON_MAGIC; armv7m_info.common_magic = ARMV7M_COMMON_MAGIC;
armv7m_info.core_mode = ARMV7M_MODE_ANY; armv7m_info.core_mode = ARM_MODE_ANY;
/* Get memory for spifi initialization algorithm */ /* Get memory for spifi initialization algorithm */
@ -726,7 +726,7 @@ static int lpcspifi_write(struct flash_bank *bank, uint8_t *buffer,
}; };
armv7m_info.common_magic = ARMV7M_COMMON_MAGIC; armv7m_info.common_magic = ARMV7M_COMMON_MAGIC;
armv7m_info.core_mode = ARMV7M_MODE_ANY; armv7m_info.core_mode = ARM_MODE_ANY;
init_reg_param(&reg_params[0], "r0", 32, PARAM_IN_OUT); /* buffer start, status (out) */ init_reg_param(&reg_params[0], "r0", 32, PARAM_IN_OUT); /* buffer start, status (out) */
init_reg_param(&reg_params[1], "r1", 32, PARAM_OUT); /* buffer end */ init_reg_param(&reg_params[1], "r1", 32, PARAM_OUT); /* buffer end */

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@ -1045,7 +1045,7 @@ static int stellaris_write_block(struct flash_bank *bank,
(uint8_t *) stellaris_write_code); (uint8_t *) stellaris_write_code);
armv7m_info.common_magic = ARMV7M_COMMON_MAGIC; armv7m_info.common_magic = ARMV7M_COMMON_MAGIC;
armv7m_info.core_mode = ARMV7M_MODE_ANY; armv7m_info.core_mode = ARM_MODE_ANY;
init_reg_param(&reg_params[0], "r0", 32, PARAM_OUT); init_reg_param(&reg_params[0], "r0", 32, PARAM_OUT);
init_reg_param(&reg_params[1], "r1", 32, PARAM_OUT); init_reg_param(&reg_params[1], "r1", 32, PARAM_OUT);

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@ -656,7 +656,7 @@ static int stm32x_write_block(struct flash_bank *bank, uint8_t *buffer,
buf_set_u32(reg_params[4].value, 0, 32, address); buf_set_u32(reg_params[4].value, 0, 32, address);
armv7m_info.common_magic = ARMV7M_COMMON_MAGIC; armv7m_info.common_magic = ARMV7M_COMMON_MAGIC;
armv7m_info.core_mode = ARMV7M_MODE_ANY; armv7m_info.core_mode = ARM_MODE_ANY;
retval = target_run_flash_async_algorithm(target, buffer, count, 2, retval = target_run_flash_async_algorithm(target, buffer, count, 2,
0, NULL, 0, NULL,

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@ -558,7 +558,7 @@ static int stm32x_write_block(struct flash_bank *bank, uint8_t *buffer,
}; };
armv7m_info.common_magic = ARMV7M_COMMON_MAGIC; armv7m_info.common_magic = ARMV7M_COMMON_MAGIC;
armv7m_info.core_mode = ARMV7M_MODE_ANY; armv7m_info.core_mode = ARM_MODE_ANY;
init_reg_param(&reg_params[0], "r0", 32, PARAM_IN_OUT); /* buffer start, status (out) */ init_reg_param(&reg_params[0], "r0", 32, PARAM_IN_OUT); /* buffer start, status (out) */
init_reg_param(&reg_params[1], "r1", 32, PARAM_OUT); /* buffer end */ init_reg_param(&reg_params[1], "r1", 32, PARAM_OUT); /* buffer end */

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@ -283,7 +283,7 @@ static int stm32lx_write_half_pages(struct flash_bank *bank, uint8_t *buffer,
} }
armv7m_info.common_magic = ARMV7M_COMMON_MAGIC; armv7m_info.common_magic = ARMV7M_COMMON_MAGIC;
armv7m_info.core_mode = ARMV7M_MODE_ANY; armv7m_info.core_mode = ARM_MODE_ANY;
init_reg_param(&reg_params[0], "r0", 32, PARAM_OUT); init_reg_param(&reg_params[0], "r0", 32, PARAM_OUT);
init_reg_param(&reg_params[1], "r1", 32, PARAM_OUT); init_reg_param(&reg_params[1], "r1", 32, PARAM_OUT);
init_reg_param(&reg_params[2], "r2", 32, PARAM_OUT); init_reg_param(&reg_params[2], "r2", 32, PARAM_OUT);

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@ -63,9 +63,9 @@ enum arm_mode {
ARM_MODE_UND = 27, ARM_MODE_UND = 27,
ARM_MODE_SYS = 31, ARM_MODE_SYS = 31,
ARM_MODE_THREAD, ARM_MODE_THREAD = 0,
ARM_MODE_USER_THREAD, ARM_MODE_USER_THREAD = 1,
ARM_MODE_HANDLER, ARM_MODE_HANDLER = 2,
ARM_MODE_ANY = -1 ARM_MODE_ANY = -1
}; };

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@ -140,6 +140,21 @@ static const struct {
.n_indices = ARRAY_SIZE(arm_mon_indices), .n_indices = ARRAY_SIZE(arm_mon_indices),
.indices = arm_mon_indices, .indices = arm_mon_indices,
}, },
/* These special modes are currently only supported
* by ARMv6M and ARMv7M profiles */
{
.name = "Thread",
.psr = ARM_MODE_THREAD,
},
{
.name = "Thread (User)",
.psr = ARM_MODE_USER_THREAD,
},
{
.name = "Handler",
.psr = ARM_MODE_HANDLER,
},
}; };
/** Map PSR mode bits to the name of an ARM processor operating mode. */ /** Map PSR mode bits to the name of an ARM processor operating mode. */

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@ -44,11 +44,6 @@
#define _DEBUG_INSTRUCTION_EXECUTION_ #define _DEBUG_INSTRUCTION_EXECUTION_
#endif #endif
/** Maps from enum armv7m_mode (except ARMV7M_MODE_ANY) to name. */
char *armv7m_mode_strings[] = {
"Thread", "Thread (User)", "Handler",
};
static char *armv7m_exception_strings[] = { static char *armv7m_exception_strings[] = {
"", "Reset", "NMI", "HardFault", "", "Reset", "NMI", "HardFault",
"MemManage", "BusFault", "UsageFault", "RESERVED", "MemManage", "BusFault", "UsageFault", "RESERVED",
@ -332,7 +327,7 @@ int armv7m_start_algorithm(struct target *target,
{ {
struct armv7m_common *armv7m = target_to_armv7m(target); struct armv7m_common *armv7m = target_to_armv7m(target);
struct armv7m_algorithm *armv7m_algorithm_info = arch_info; struct armv7m_algorithm *armv7m_algorithm_info = arch_info;
enum armv7m_mode core_mode = armv7m->core_mode; enum arm_mode core_mode = armv7m->arm.core_mode;
int retval = ERROR_OK; int retval = ERROR_OK;
/* NOTE: armv7m_run_algorithm requires that each algorithm uses a software breakpoint /* NOTE: armv7m_run_algorithm requires that each algorithm uses a software breakpoint
@ -388,7 +383,7 @@ int armv7m_start_algorithm(struct target *target,
armv7m_set_core_reg(reg, reg_params[i].value); armv7m_set_core_reg(reg, reg_params[i].value);
} }
if (armv7m_algorithm_info->core_mode != ARMV7M_MODE_ANY) { if (armv7m_algorithm_info->core_mode != ARM_MODE_ANY) {
LOG_DEBUG("setting core_mode: 0x%2.2x", armv7m_algorithm_info->core_mode); LOG_DEBUG("setting core_mode: 0x%2.2x", armv7m_algorithm_info->core_mode);
buf_set_u32(armv7m->core_cache->reg_list[ARMV7M_CONTROL].value, buf_set_u32(armv7m->core_cache->reg_list[ARMV7M_CONTROL].value,
0, 1, armv7m_algorithm_info->core_mode); 0, 1, armv7m_algorithm_info->core_mode);
@ -490,7 +485,7 @@ int armv7m_wait_algorithm(struct target *target,
} }
} }
armv7m->core_mode = armv7m_algorithm_info->core_mode; armv7m->arm.core_mode = armv7m_algorithm_info->core_mode;
return retval; return retval;
} }
@ -508,7 +503,7 @@ int armv7m_arch_state(struct target *target)
LOG_USER("target halted due to %s, current mode: %s %s\n" LOG_USER("target halted due to %s, current mode: %s %s\n"
"xPSR: %#8.8" PRIx32 " pc: %#8.8" PRIx32 " %csp: %#8.8" PRIx32 "%s", "xPSR: %#8.8" PRIx32 " pc: %#8.8" PRIx32 " %csp: %#8.8" PRIx32 "%s",
debug_reason_name(target), debug_reason_name(target),
armv7m_mode_strings[armv7m->core_mode], arm_mode_name(arm->core_mode),
armv7m_exception_string(armv7m->exception_number), armv7m_exception_string(armv7m->exception_number),
buf_get_u32(arm->cpsr->value, 0, 32), buf_get_u32(arm->cpsr->value, 0, 32),
buf_get_u32(arm->pc->value, 0, 32), buf_get_u32(arm->pc->value, 0, 32),
@ -518,6 +513,7 @@ int armv7m_arch_state(struct target *target)
return ERROR_OK; return ERROR_OK;
} }
static const struct reg_arch_type armv7m_reg_type = { static const struct reg_arch_type armv7m_reg_type = {
.get = armv7m_get_core_reg, .get = armv7m_get_core_reg,
.set = armv7m_set_core_reg, .set = armv7m_set_core_reg,
@ -648,7 +644,7 @@ int armv7m_checksum_memory(struct target *target,
goto cleanup; goto cleanup;
armv7m_info.common_magic = ARMV7M_COMMON_MAGIC; armv7m_info.common_magic = ARMV7M_COMMON_MAGIC;
armv7m_info.core_mode = ARMV7M_MODE_ANY; armv7m_info.core_mode = ARM_MODE_ANY;
init_reg_param(&reg_params[0], "r0", 32, PARAM_IN_OUT); init_reg_param(&reg_params[0], "r0", 32, PARAM_IN_OUT);
init_reg_param(&reg_params[1], "r1", 32, PARAM_OUT); init_reg_param(&reg_params[1], "r1", 32, PARAM_OUT);
@ -708,7 +704,7 @@ int armv7m_blank_check_memory(struct target *target,
return retval; return retval;
armv7m_info.common_magic = ARMV7M_COMMON_MAGIC; armv7m_info.common_magic = ARMV7M_COMMON_MAGIC;
armv7m_info.core_mode = ARMV7M_MODE_ANY; armv7m_info.core_mode = ARM_MODE_ANY;
init_reg_param(&reg_params[0], "r0", 32, PARAM_OUT); init_reg_param(&reg_params[0], "r0", 32, PARAM_OUT);
buf_set_u32(reg_params[0].value, 0, 32, address); buf_set_u32(reg_params[0].value, 0, 32, address);

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@ -40,14 +40,6 @@ extern uint8_t armv7m_gdb_dummy_cpsr_value[];
extern struct reg armv7m_gdb_dummy_cpsr_reg; extern struct reg armv7m_gdb_dummy_cpsr_reg;
#endif #endif
enum armv7m_mode {
ARMV7M_MODE_THREAD = 0,
ARMV7M_MODE_USER_THREAD = 1,
ARMV7M_MODE_HANDLER = 2,
ARMV7M_MODE_ANY = -1
};
extern char *armv7m_mode_strings[];
extern const int armv7m_psp_reg_map[]; extern const int armv7m_psp_reg_map[];
extern const int armv7m_msp_reg_map[]; extern const int armv7m_msp_reg_map[];
@ -166,7 +158,6 @@ struct armv7m_common {
int common_magic; int common_magic;
struct reg_cache *core_cache; struct reg_cache *core_cache;
enum armv7m_mode core_mode;
int exception_number; int exception_number;
struct adiv5_dap dap; struct adiv5_dap dap;
@ -206,7 +197,7 @@ static inline bool is_armv7m(struct armv7m_common *armv7m)
struct armv7m_algorithm { struct armv7m_algorithm {
int common_magic; int common_magic;
enum armv7m_mode core_mode; enum arm_mode core_mode;
uint32_t context[ARMV7M_LAST_REG]; /* ARMV7M_NUM_REGS */ uint32_t context[ARMV7M_LAST_REG]; /* ARMV7M_NUM_REGS */
}; };

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@ -451,18 +451,16 @@ static int cortex_m3_debug_entry(struct target *target)
/* Are we in an exception handler */ /* Are we in an exception handler */
if (xPSR & 0x1FF) { if (xPSR & 0x1FF) {
armv7m->core_mode = ARMV7M_MODE_HANDLER;
armv7m->exception_number = (xPSR & 0x1FF); armv7m->exception_number = (xPSR & 0x1FF);
arm->core_mode = ARM_MODE_HANDLER; arm->core_mode = ARM_MODE_HANDLER;
arm->map = armv7m_msp_reg_map; arm->map = armv7m_msp_reg_map;
} else { } else {
unsigned control = buf_get_u32(armv7m->core_cache unsigned control = buf_get_u32(arm->core_cache
->reg_list[ARMV7M_CONTROL].value, 0, 2); ->reg_list[ARMV7M_CONTROL].value, 0, 2);
/* is this thread privileged? */ /* is this thread privileged? */
armv7m->core_mode = control & 1; arm->core_mode = control & 1
arm->core_mode = armv7m->core_mode
? ARM_MODE_USER_THREAD ? ARM_MODE_USER_THREAD
: ARM_MODE_THREAD; : ARM_MODE_THREAD;
@ -479,7 +477,7 @@ static int cortex_m3_debug_entry(struct target *target)
cortex_m3_examine_exception_reason(target); cortex_m3_examine_exception_reason(target);
LOG_DEBUG("entered debug state in core mode: %s at PC 0x%" PRIx32 ", target->state: %s", LOG_DEBUG("entered debug state in core mode: %s at PC 0x%" PRIx32 ", target->state: %s",
armv7m_mode_strings[armv7m->core_mode], arm_mode_name(arm->core_mode),
*(uint32_t *)(arm->pc->value), *(uint32_t *)(arm->pc->value),
target_state_name(target)); target_state_name(target));

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@ -346,18 +346,16 @@ static int adapter_debug_entry(struct target *target)
/* Are we in an exception handler */ /* Are we in an exception handler */
if (xPSR & 0x1FF) { if (xPSR & 0x1FF) {
armv7m->core_mode = ARMV7M_MODE_HANDLER;
armv7m->exception_number = (xPSR & 0x1FF); armv7m->exception_number = (xPSR & 0x1FF);
arm->core_mode = ARM_MODE_HANDLER; arm->core_mode = ARM_MODE_HANDLER;
arm->map = armv7m_msp_reg_map; arm->map = armv7m_msp_reg_map;
} else { } else {
unsigned control = buf_get_u32(armv7m->core_cache unsigned control = buf_get_u32(arm->core_cache
->reg_list[ARMV7M_CONTROL].value, 0, 2); ->reg_list[ARMV7M_CONTROL].value, 0, 2);
/* is this thread privileged? */ /* is this thread privileged? */
armv7m->core_mode = control & 1; arm->core_mode = control & 1
arm->core_mode = armv7m->core_mode
? ARM_MODE_USER_THREAD ? ARM_MODE_USER_THREAD
: ARM_MODE_THREAD; : ARM_MODE_THREAD;
@ -371,7 +369,7 @@ static int adapter_debug_entry(struct target *target)
} }
LOG_DEBUG("entered debug state in core mode: %s at PC 0x%08" PRIx32 ", target->state: %s", LOG_DEBUG("entered debug state in core mode: %s at PC 0x%08" PRIx32 ", target->state: %s",
armv7m_mode_strings[armv7m->core_mode], arm_mode_name(arm->core_mode),
*(uint32_t *)(arm->pc->value), *(uint32_t *)(arm->pc->value),
target_state_name(target)); target_state_name(target));