#endif
#include "arm920t.h"
-#include "time_support.h"
+#include <helper/time_support.h>
#include "target_type.h"
#include "register.h"
+#include "arm_opcodes.h"
/*
static int arm920t_read_cp15_interpreted(struct target *target,
uint32_t cp15_opcode, uint32_t address, uint32_t *value)
{
- struct arm *armv4_5 = target_to_armv4_5(target);
+ struct arm *armv4_5 = target_to_arm(target);
uint32_t* regs_p[1];
uint32_t regs[2];
uint32_t cp15c15 = 0x0;
uint32_t cp15_opcode, uint32_t value, uint32_t address)
{
uint32_t cp15c15 = 0x0;
- struct arm *armv4_5 = target_to_armv4_5(target);
+ struct arm *armv4_5 = target_to_arm(target);
uint32_t regs[2];
struct reg *r = armv4_5->core_cache->reg_list;
armv4_5 = &arm920t->arm7_9_common.armv4_5_common;
- LOG_USER("target halted in %s state due to %s, current mode: %s\n"
- "cpsr: 0x%8.8" PRIx32 " pc: 0x%8.8" PRIx32 "\n"
- "MMU: %s, D-Cache: %s, I-Cache: %s",
- armv4_5_state_strings[armv4_5->core_state],
- Jim_Nvp_value2name_simple(nvp_target_debug_reason, target->debug_reason)->name,
- arm_mode_name(armv4_5->core_mode),
- buf_get_u32(armv4_5->cpsr->value, 0, 32),
- buf_get_u32(armv4_5->core_cache->reg_list[15].value, 0, 32),
+ arm_arch_state(target);
+ LOG_USER("MMU: %s, D-Cache: %s, I-Cache: %s",
state[arm920t->armv4_5_mmu.mmu_enabled],
state[arm920t->armv4_5_mmu.armv4_5_cache.d_u_cache_enabled],
state[arm920t->armv4_5_mmu.armv4_5_cache.i_cache_enabled]);
return ERROR_OK;
}
+/* FIXME remove forward decls */
+static int arm920t_mrc(struct target *target, int cpnum,
+ uint32_t op1, uint32_t op2,
+ uint32_t CRn, uint32_t CRm,
+ uint32_t *value);
+static int arm920t_mcr(struct target *target, int cpnum,
+ uint32_t op1, uint32_t op2,
+ uint32_t CRn, uint32_t CRm,
+ uint32_t value);
+
int arm920t_init_arch_info(struct target *target, struct arm920t_common *arm920t, struct jtag_tap *tap)
{
struct arm7_9_common *arm7_9 = &arm920t->arm7_9_common;
+ arm7_9->armv4_5_common.mrc = arm920t_mrc;
+ arm7_9->armv4_5_common.mcr = arm920t_mcr;
+
/* initialize arm7/arm9 specific info (including armv4_5) */
arm9tdmi_init_arch_info(target, arm7_9, tap);
}
-static int arm920t_mrc(struct target *target, int cpnum, uint32_t op1, uint32_t op2, uint32_t CRn, uint32_t CRm, uint32_t *value)
+static int arm920t_mrc(struct target *target, int cpnum,
+ uint32_t op1, uint32_t op2,
+ uint32_t CRn, uint32_t CRm,
+ uint32_t *value)
{
if (cpnum!=15)
{
return ERROR_FAIL;
}
- return arm920t_read_cp15_interpreted(target, mrc_opcode(cpnum, op1, op2, CRn, CRm), 0, value);
+ /* read "to" r0 */
+ return arm920t_read_cp15_interpreted(target,
+ ARMV4_5_MRC(cpnum, op1, 0, CRn, CRm, op2),
+ 0, value);
}
-static int arm920t_mcr(struct target *target, int cpnum, uint32_t op1, uint32_t op2, uint32_t CRn, uint32_t CRm, uint32_t value)
+static int arm920t_mcr(struct target *target, int cpnum,
+ uint32_t op1, uint32_t op2,
+ uint32_t CRn, uint32_t CRm,
+ uint32_t value)
{
if (cpnum!=15)
{
return ERROR_FAIL;
}
- return arm920t_write_cp15_interpreted(target, mrc_opcode(cpnum, op1, op2, CRn, CRm), 0, value);
+ /* write "from" r0 */
+ return arm920t_write_cp15_interpreted(target,
+ ARMV4_5_MCR(cpnum, op1, 0, CRn, CRm, op2),
+ 0, value);
}
-/** Registers commands to access coprocessor, cache, and MMU resources. */
-int arm920t_register_commands(struct command_context *cmd_ctx)
-{
- int retval;
- struct command *arm920t_cmd;
-
- retval = arm9tdmi_register_commands(cmd_ctx);
-
- arm920t_cmd = COMMAND_REGISTER(cmd_ctx, NULL, "arm920t",
- NULL, COMMAND_ANY,
- "arm920t specific commands");
-
- COMMAND_REGISTER(cmd_ctx, arm920t_cmd, "cp15",
- arm920t_handle_cp15_command, COMMAND_EXEC,
- "display/modify cp15 register <num> [value]");
- COMMAND_REGISTER(cmd_ctx, arm920t_cmd, "cp15i",
- arm920t_handle_cp15i_command, COMMAND_EXEC,
- "display/modify cp15 (interpreted access) "
- "<opcode> [value] [address]");
- COMMAND_REGISTER(cmd_ctx, arm920t_cmd, "cache_info",
- arm920t_handle_cache_info_command, COMMAND_EXEC,
- "display information about target caches");
- COMMAND_REGISTER(cmd_ctx, arm920t_cmd, "read_cache",
- arm920t_handle_read_cache_command, COMMAND_EXEC,
- "display I/D cache content");
- COMMAND_REGISTER(cmd_ctx, arm920t_cmd, "read_mmu",
- arm920t_handle_read_mmu_command, COMMAND_EXEC,
- "display I/D mmu content");
-
- return retval;
-}
+static const struct command_registration arm920t_exec_command_handlers[] = {
+ {
+ .name = "cp15",
+ .handler = arm920t_handle_cp15_command,
+ .mode = COMMAND_EXEC,
+ .help = "display/modify cp15 register",
+ .usage = "regnum [value]",
+ },
+ {
+ .name = "cp15i",
+ .handler = arm920t_handle_cp15i_command,
+ .mode = COMMAND_EXEC,
+ /* prefer using less error-prone "arm mcr" or "arm mrc" */
+ .help = "display/modify cp15 register using ARM opcode"
+ " (DEPRECATED)",
+ .usage = "instruction [value [address]]",
+ },
+ {
+ .name = "cache_info",
+ .handler = arm920t_handle_cache_info_command,
+ .mode = COMMAND_EXEC,
+ .help = "display information about target caches",
+ },
+ {
+ .name = "read_cache",
+ .handler = arm920t_handle_read_cache_command,
+ .mode = COMMAND_EXEC,
+ .help = "dump I/D cache content to file",
+ .usage = "filename",
+ },
+ {
+ .name = "read_mmu",
+ .handler = arm920t_handle_read_mmu_command,
+ .mode = COMMAND_EXEC,
+ .help = "dump I/D mmu content to file",
+ .usage = "filename",
+ },
+ COMMAND_REGISTRATION_DONE
+};
+const struct command_registration arm920t_command_handlers[] = {
+ {
+ .chain = arm9tdmi_command_handlers,
+ },
+ {
+ .name = "arm920t",
+ .mode = COMMAND_ANY,
+ .help = "arm920t command group",
+ .chain = arm920t_exec_command_handlers,
+ },
+ COMMAND_REGISTRATION_DONE
+};
/** Holds methods for ARM920 targets. */
struct target_type arm920t_target =
.deassert_reset = arm7_9_deassert_reset,
.soft_reset_halt = arm920t_soft_reset_halt,
- .get_gdb_reg_list = armv4_5_get_gdb_reg_list,
+ .get_gdb_reg_list = arm_get_gdb_reg_list,
.read_memory = arm920t_read_memory,
.write_memory = arm920t_write_memory,
.add_watchpoint = arm7_9_add_watchpoint,
.remove_watchpoint = arm7_9_remove_watchpoint,
- .register_commands = arm920t_register_commands,
+ .commands = arm920t_command_handlers,
.target_create = arm920t_target_create,
.init_target = arm9tdmi_init_target,
.examine = arm7_9_examine,
- .mrc = arm920t_mrc,
- .mcr = arm920t_mcr,
};
projects / openocd / blobdiff