#include <helper/time_support.h>
#include "register.h"
#include "image.h"
+#include "arm_opcodes.h"
+#include "armv4_5.h"
/*
"", "\n(processor reset)", "\n(trace buffer full)"
};
- if (armv4_5->common_magic != ARMV4_5_COMMON_MAGIC)
+ if (armv4_5->common_magic != ARM_COMMON_MAGIC)
{
LOG_ERROR("BUG: called for a non-ARMv4/5 target");
return ERROR_INVALID_ARGUMENTS;
}
- 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"
- "%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%s",
state[xscale->armv4_5_mmu.mmu_enabled],
state[xscale->armv4_5_mmu.armv4_5_cache.d_u_cache_enabled],
state[xscale->armv4_5_mmu.armv4_5_cache.i_cache_enabled],
static int xscale_step(struct target *target, int current,
uint32_t address, int handle_breakpoints)
{
- struct arm *armv4_5 = target_to_armv4_5(target);
+ struct arm *armv4_5 = target_to_arm(target);
struct breakpoint *breakpoint = target->breakpoints;
uint32_t current_pc;
xscale_write_dcsr(target, 1, 0);
/* select BYPASS, because having DCSR selected caused problems on the PXA27x */
- xscale_jtag_set_instr(target->tap, 0x7f);
+ xscale_jtag_set_instr(target->tap, ~0);
jtag_execute_queue();
/* assert reset */
}
static int xscale_read_core_reg(struct target *target, struct reg *r,
- int num, enum armv4_5_mode mode)
+ int num, enum arm_mode mode)
{
/** \todo add debug handler support for core register reads */
LOG_ERROR("not implemented");
}
static int xscale_write_core_reg(struct target *target, struct reg *r,
- int num, enum armv4_5_mode mode, uint32_t value)
+ int num, enum arm_mode mode, uint32_t value)
{
/** \todo add debug handler support for core register writes */
LOG_ERROR("not implemented");
static int xscale_full_context(struct target *target)
{
- struct arm *armv4_5 = target_to_armv4_5(target);
+ struct arm *armv4_5 = target_to_arm(target);
uint32_t *buffer;
*/
for (i = 1; i < 7; i++)
{
- enum armv4_5_mode mode = armv4_5_number_to_mode(i);
+ enum arm_mode mode = armv4_5_number_to_mode(i);
bool valid = true;
struct reg *r;
- if (mode == ARMV4_5_MODE_USR)
+ if (mode == ARM_MODE_USR)
continue;
/* check if there are invalid registers in the current mode
/* get banked registers: r8 to r14; and SPSR
* except in USR/SYS mode
*/
- if (mode != ARMV4_5_MODE_SYS) {
+ if (mode != ARM_MODE_SYS) {
/* SPSR */
r = &ARMV4_5_CORE_REG_MODE(armv4_5->core_cache,
mode, 16);
static int xscale_restore_banked(struct target *target)
{
- struct arm *armv4_5 = target_to_armv4_5(target);
+ struct arm *armv4_5 = target_to_arm(target);
int i, j;
*/
for (i = 1; i < 7; i++)
{
- enum armv4_5_mode mode = armv4_5_number_to_mode(i);
+ enum arm_mode mode = armv4_5_number_to_mode(i);
struct reg *r;
- if (mode == ARMV4_5_MODE_USR)
+ if (mode == ARM_MODE_USR)
continue;
/* check if there are dirty registers in this mode */
}
/* if not USR/SYS, check if the SPSR needs to be written */
- if (mode != ARMV4_5_MODE_SYS)
+ if (mode != ARM_MODE_SYS)
{
if (ARMV4_5_CORE_REG_MODE(armv4_5->core_cache,
mode, 16).dirty)
}
/* send spsr if not in USR/SYS mode */
- if (mode != ARMV4_5_MODE_SYS) {
+ if (mode != ARM_MODE_SYS) {
r = &ARMV4_5_CORE_REG_MODE(armv4_5->core_cache,
mode, 16);
xscale_send_u32(target, buf_get_u32(r->value, 0, 32));
static int xscale_read_phys_memory(struct target *target, uint32_t address,
uint32_t size, uint32_t count, uint8_t *buffer)
{
- /** \todo: provide a non-stub implementtion of this routine. */
+ struct xscale_common *xscale = target_to_xscale(target);
+
+ /* with MMU inactive, there are only physical addresses */
+ if (!xscale->armv4_5_mmu.mmu_enabled)
+ return xscale_read_memory(target, address, size, count, buffer);
+
+ /** \todo: provide a non-stub implementation of this routine. */
LOG_ERROR("%s: %s is not implemented. Disable MMU?",
target_name(target), __func__);
return ERROR_FAIL;
static int xscale_write_phys_memory(struct target *target, uint32_t address,
uint32_t size, uint32_t count, uint8_t *buffer)
{
- /** \todo: provide a non-stub implementtion of this routine. */
+ struct xscale_common *xscale = target_to_xscale(target);
+
+ /* with MMU inactive, there are only physical addresses */
+ if (!xscale->armv4_5_mmu.mmu_enabled)
+ return xscale_read_memory(target, address, size, count, buffer);
+
+ /** \todo: provide a non-stub implementation of this routine. */
LOG_ERROR("%s: %s is not implemented. Disable MMU?",
target_name(target), __func__);
return ERROR_FAIL;
int i;
int num_regs = ARRAY_SIZE(xscale_reg_arch_info);
- (*cache_p) = armv4_5_build_reg_cache(target, armv4_5);
+ (*cache_p) = arm_build_reg_cache(target, armv4_5);
(*cache_p)->next = malloc(sizeof(struct reg_cache));
cache_p = &(*cache_p)->next;
xscale->dbr0_used = 0;
xscale->dbr1_used = 0;
+ LOG_INFO("%s: hardware has 2 breakpoints and 2 watchpoints",
+ target_name(target));
+
xscale->arm_bkpt = ARMV5_BKPT(0x0);
xscale->thumb_bkpt = ARMV5_T_BKPT(0x0) & 0xffff;
armv4_5->write_core_reg = xscale_write_core_reg;
armv4_5->full_context = xscale_full_context;
- armv4_5_init_arch_info(target, armv4_5);
+ arm_init_arch_info(target, armv4_5);
xscale->armv4_5_mmu.armv4_5_cache.ctype = -1;
xscale->armv4_5_mmu.get_ttb = xscale_get_ttb;
static const struct command_registration xscale_exec_command_handlers[] = {
{
.name = "cache_info",
- .handler = &xscale_handle_cache_info_command,
- .mode = COMMAND_EXEC, NULL,
+ .handler = xscale_handle_cache_info_command,
+ .mode = COMMAND_EXEC,
+ .help = "display information about CPU caches",
},
-
{
.name = "mmu",
- .handler = &xscale_handle_mmu_command,
+ .handler = xscale_handle_mmu_command,
.mode = COMMAND_EXEC,
- .usage = "[enable|disable]",
.help = "enable or disable the MMU",
+ .usage = "['enable'|'disable']",
},
{
.name = "icache",
- .handler = &xscale_handle_idcache_command,
+ .handler = xscale_handle_idcache_command,
.mode = COMMAND_EXEC,
- .usage = "[enable|disable]",
- .help = "enable or disable the ICache",
+ .help = "display ICache state, optionally enabling or "
+ "disabling it",
+ .usage = "['enable'|'disable']",
},
{
.name = "dcache",
- .handler = &xscale_handle_idcache_command,
+ .handler = xscale_handle_idcache_command,
.mode = COMMAND_EXEC,
- .usage = "[enable|disable]",
- .help = "enable or disable the DCache",
+ .help = "display DCache state, optionally enabling or "
+ "disabling it",
+ .usage = "['enable'|'disable']",
},
-
{
.name = "vector_catch",
- .handler = &xscale_handle_vector_catch_command,
+ .handler = xscale_handle_vector_catch_command,
.mode = COMMAND_EXEC,
- .help = "mask of vectors that should be caught",
- .usage = "[<mask>]",
+ .help = "set or display 8-bit mask of vectors "
+ "that should trigger debug entry",
+ .usage = "[mask]",
},
{
.name = "vector_table",
- .handler = &xscale_handle_vector_table_command,
+ .handler = xscale_handle_vector_table_command,
.mode = COMMAND_EXEC,
- .usage = "<high|low> <index> <code>",
- .help = "set static code for exception handler entry",
+ .help = "set vector table entry in mini-ICache, "
+ "or display current tables",
+ .usage = "[('high'|'low') index code]",
},
-
{
.name = "trace_buffer",
- .handler = &xscale_handle_trace_buffer_command,
+ .handler = xscale_handle_trace_buffer_command,
.mode = COMMAND_EXEC,
- .usage = "<enable | disable> [fill [n]|wrap]",
+ .help = "display trace buffer status, enable or disable "
+ "tracing, and optionally reconfigure trace mode",
+ .usage = "['enable'|'disable' ['fill' number|'wrap']]",
},
{
.name = "dump_trace",
- .handler = &xscale_handle_dump_trace_command,
+ .handler = xscale_handle_dump_trace_command,
.mode = COMMAND_EXEC,
- .help = "dump content of trace buffer to <file>",
- .usage = "<file>",
+ .help = "dump content of trace buffer to file",
+ .usage = "filename",
},
{
.name = "analyze_trace",
- .handler = &xscale_handle_analyze_trace_buffer_command,
+ .handler = xscale_handle_analyze_trace_buffer_command,
.mode = COMMAND_EXEC,
.help = "analyze content of trace buffer",
+ .usage = "",
},
{
.name = "trace_image",
- .handler = &xscale_handle_trace_image_command,
- COMMAND_EXEC,
- .help = "load image from <file> [base address]",
- .usage = "<file> [address] [type]",
+ .handler = xscale_handle_trace_image_command,
+ .mode = COMMAND_EXEC,
+ .help = "load image from file to address (default 0)",
+ .usage = "filename [offset [filetype]]",
},
-
{
.name = "cp15",
- .handler = &xscale_handle_cp15,
+ .handler = xscale_handle_cp15,
.mode = COMMAND_EXEC,
- .help = "access coproc 15",
- .usage = "<register> [value]",
+ .help = "Read or write coprocessor 15 register.",
+ .usage = "register [value]",
},
COMMAND_REGISTRATION_DONE
};
static const struct command_registration xscale_any_command_handlers[] = {
{
.name = "debug_handler",
- .handler = &xscale_handle_debug_handler_command,
+ .handler = xscale_handle_debug_handler_command,
.mode = COMMAND_ANY,
- .usage = "<target#> <address>",
+ .help = "Change address used for debug handler.",
+ .usage = "target address",
},
{
.name = "cache_clean_address",
- .handler = &xscale_handle_cache_clean_address_command,
+ .handler = xscale_handle_cache_clean_address_command,
.mode = COMMAND_ANY,
+ .help = "Change address used for cleaning data cache.",
+ .usage = "address",
},
{
.chain = xscale_exec_command_handlers,
.deassert_reset = xscale_deassert_reset,
.soft_reset_halt = NULL,
- .get_gdb_reg_list = armv4_5_get_gdb_reg_list,
+ /* REVISIT on some cores, allow exporting iwmmxt registers ... */
+ .get_gdb_reg_list = arm_get_gdb_reg_list,
.read_memory = xscale_read_memory,
.read_phys_memory = xscale_read_phys_memory,