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xscale.c cleanup 

Declare almost everything as static.
Move stuff to remove most forward references.
Remove most forward declarations.
Warn if the unimplemented register functions get called.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
This commit is contained in:
David Brownell 2009-10-11 10:35:28 -07:00
parent 8b3bfcfc5b
commit 688003cb23
1 changed files with 197 additions and 186 deletions
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383
src/target/xscale.c
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@ -55,87 +55,19 @@
* Chip-specific microarchitecture documents may also be useful. * Chip-specific microarchitecture documents may also be useful.
*/ */
/* cli handling */
int xscale_register_commands(struct command_context_s *cmd_ctx);
/* forward declarations */ /* forward declarations */
int xscale_target_create(struct target_s *target, Jim_Interp *interp); static int xscale_resume(struct target_s *, int current,
int xscale_init_target(struct command_context_s *cmd_ctx, struct target_s *target); uint32_t address, int handle_breakpoints, int debug_execution);
int xscale_quit(void); static int xscale_debug_entry(target_t *);
static int xscale_restore_context(target_t *);
static int xscale_get_reg(reg_t *reg);
static int xscale_set_reg(reg_t *reg, uint8_t *buf);
static int xscale_set_breakpoint(struct target_s *, breakpoint_t *);
static int xscale_set_watchpoint(struct target_s *, watchpoint_t *);
static int xscale_unset_breakpoint(struct target_s *, breakpoint_t *);
static int xscale_read_trace(target_t *);
int xscale_arch_state(struct target_s *target);
int xscale_poll(target_t *target);
int xscale_halt(target_t *target);
int xscale_resume(struct target_s *target, int current, uint32_t address, int handle_breakpoints, int debug_execution);
int xscale_step(struct target_s *target, int current, uint32_t address, int handle_breakpoints);
int xscale_debug_entry(target_t *target);
int xscale_restore_context(target_t *target);
int xscale_assert_reset(target_t *target);
int xscale_deassert_reset(target_t *target);
int xscale_set_reg_u32(reg_t *reg, uint32_t value);
int xscale_read_core_reg(struct target_s *target, int num, enum armv4_5_mode mode);
int xscale_write_core_reg(struct target_s *target, int num, enum armv4_5_mode mode, uint32_t value);
int xscale_read_memory(struct target_s *target, uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer);
int xscale_write_memory(struct target_s *target, uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer);
int xscale_bulk_write_memory(target_t *target, uint32_t address, uint32_t count, uint8_t *buffer);
int xscale_add_breakpoint(struct target_s *target, breakpoint_t *breakpoint);
int xscale_remove_breakpoint(struct target_s *target, breakpoint_t *breakpoint);
int xscale_set_breakpoint(struct target_s *target, breakpoint_t *breakpoint);
int xscale_unset_breakpoint(struct target_s *target, breakpoint_t *breakpoint);
int xscale_add_watchpoint(struct target_s *target, watchpoint_t *watchpoint);
int xscale_remove_watchpoint(struct target_s *target, watchpoint_t *watchpoint);
void xscale_enable_watchpoints(struct target_s *target);
void xscale_enable_breakpoints(struct target_s *target);
static int xscale_virt2phys(struct target_s *target, uint32_t virtual, uint32_t *physical);
static int xscale_mmu(struct target_s *target, int *enabled);
int xscale_read_trace(target_t *target);
target_type_t xscale_target =
{
.name = "xscale",
.poll = xscale_poll,
.arch_state = xscale_arch_state,
.target_request_data = NULL,
.halt = xscale_halt,
.resume = xscale_resume,
.step = xscale_step,
.assert_reset = xscale_assert_reset,
.deassert_reset = xscale_deassert_reset,
.soft_reset_halt = NULL,
.get_gdb_reg_list = armv4_5_get_gdb_reg_list,
.read_memory = xscale_read_memory,
.write_memory = xscale_write_memory,
.bulk_write_memory = xscale_bulk_write_memory,
.checksum_memory = arm7_9_checksum_memory,
.blank_check_memory = arm7_9_blank_check_memory,
.run_algorithm = armv4_5_run_algorithm,
.add_breakpoint = xscale_add_breakpoint,
.remove_breakpoint = xscale_remove_breakpoint,
.add_watchpoint = xscale_add_watchpoint,
.remove_watchpoint = xscale_remove_watchpoint,
.register_commands = xscale_register_commands,
.target_create = xscale_target_create,
.init_target = xscale_init_target,
.quit = xscale_quit,
.virt2phys = xscale_virt2phys,
.mmu = xscale_mmu
};
static char *const xscale_reg_list[] = static char *const xscale_reg_list[] =
{ {
@ -191,10 +123,19 @@ static const xscale_reg_t xscale_reg_arch_info[] =
static int xscale_reg_arch_type = -1; static int xscale_reg_arch_type = -1;
int xscale_get_reg(reg_t *reg); /* convenience wrapper to access XScale specific registers */
int xscale_set_reg(reg_t *reg, uint8_t *buf); static int xscale_set_reg_u32(reg_t *reg, uint32_t value)
{
uint8_t buf[4];
int xscale_get_arch_pointers(target_t *target, armv4_5_common_t **armv4_5_p, xscale_common_t **xscale_p) buf_set_u32(buf, 0, 32, value);
return xscale_set_reg(reg, buf);
}
static int xscale_get_arch_pointers(target_t *target,
armv4_5_common_t **armv4_5_p, xscale_common_t **xscale_p)
{ {
armv4_5_common_t *armv4_5 = target->arch_info; armv4_5_common_t *armv4_5 = target->arch_info;
xscale_common_t *xscale = armv4_5->arch_info; xscale_common_t *xscale = armv4_5->arch_info;
@ -217,7 +158,7 @@ int xscale_get_arch_pointers(target_t *target, armv4_5_common_t **armv4_5_p, xsc
return ERROR_OK; return ERROR_OK;
} }
int xscale_jtag_set_instr(jtag_tap_t *tap, uint32_t new_instr) static int xscale_jtag_set_instr(jtag_tap_t *tap, uint32_t new_instr)
{ {
if (tap == NULL) if (tap == NULL)
return ERROR_FAIL; return ERROR_FAIL;
@ -245,7 +186,7 @@ int xscale_jtag_set_instr(jtag_tap_t *tap, uint32_t new_instr)
return ERROR_OK; return ERROR_OK;
} }
int xscale_read_dcsr(target_t *target) static int xscale_read_dcsr(target_t *target)
{ {
armv4_5_common_t *armv4_5 = target->arch_info; armv4_5_common_t *armv4_5 = target->arch_info;
xscale_common_t *xscale = armv4_5->arch_info; xscale_common_t *xscale = armv4_5->arch_info;
@ -320,7 +261,7 @@ static void xscale_getbuf(jtag_callback_data_t arg)
*((uint32_t *)in) = buf_get_u32(in, 0, 32); *((uint32_t *)in) = buf_get_u32(in, 0, 32);
} }
int xscale_receive(target_t *target, uint32_t *buffer, int num_words) static int xscale_receive(target_t *target, uint32_t *buffer, int num_words)
{ {
if (num_words == 0) if (num_words == 0)
return ERROR_INVALID_ARGUMENTS; return ERROR_INVALID_ARGUMENTS;
@ -434,7 +375,7 @@ int xscale_receive(target_t *target, uint32_t *buffer, int num_words)
return retval; return retval;
} }
int xscale_read_tx(target_t *target, int consume) static int xscale_read_tx(target_t *target, int consume)
{ {
armv4_5_common_t *armv4_5 = target->arch_info; armv4_5_common_t *armv4_5 = target->arch_info;
xscale_common_t *xscale = armv4_5->arch_info; xscale_common_t *xscale = armv4_5->arch_info;
@ -536,7 +477,7 @@ int xscale_read_tx(target_t *target, int consume)
return ERROR_OK; return ERROR_OK;
} }
int xscale_write_rx(target_t *target) static int xscale_write_rx(target_t *target)
{ {
armv4_5_common_t *armv4_5 = target->arch_info; armv4_5_common_t *armv4_5 = target->arch_info;
xscale_common_t *xscale = armv4_5->arch_info; xscale_common_t *xscale = armv4_5->arch_info;
@ -624,7 +565,7 @@ int xscale_write_rx(target_t *target)
} }
/* send count elements of size byte to the debug handler */ /* send count elements of size byte to the debug handler */
int xscale_send(target_t *target, uint8_t *buffer, int count, int size) static int xscale_send(target_t *target, uint8_t *buffer, int count, int size)
{ {
armv4_5_common_t *armv4_5 = target->arch_info; armv4_5_common_t *armv4_5 = target->arch_info;
xscale_common_t *xscale = armv4_5->arch_info; xscale_common_t *xscale = armv4_5->arch_info;
@ -691,7 +632,7 @@ int xscale_send(target_t *target, uint8_t *buffer, int count, int size)
return ERROR_OK; return ERROR_OK;
} }
int xscale_send_u32(target_t *target, uint32_t value) static int xscale_send_u32(target_t *target, uint32_t value)
{ {
armv4_5_common_t *armv4_5 = target->arch_info; armv4_5_common_t *armv4_5 = target->arch_info;
xscale_common_t *xscale = armv4_5->arch_info; xscale_common_t *xscale = armv4_5->arch_info;
@ -700,7 +641,7 @@ int xscale_send_u32(target_t *target, uint32_t value)
return xscale_write_rx(target); return xscale_write_rx(target);
} }
int xscale_write_dcsr(target_t *target, int hold_rst, int ext_dbg_brk) static int xscale_write_dcsr(target_t *target, int hold_rst, int ext_dbg_brk)
{ {
armv4_5_common_t *armv4_5 = target->arch_info; armv4_5_common_t *armv4_5 = target->arch_info;
xscale_common_t *xscale = armv4_5->arch_info; xscale_common_t *xscale = armv4_5->arch_info;
@ -762,7 +703,7 @@ int xscale_write_dcsr(target_t *target, int hold_rst, int ext_dbg_brk)
} }
/* parity of the number of bits 0 if even; 1 if odd. for 32 bit words */ /* parity of the number of bits 0 if even; 1 if odd. for 32 bit words */
unsigned int parity (unsigned int v) static unsigned int parity (unsigned int v)
{ {
unsigned int ov = v; unsigned int ov = v;
v ^= v >> 16; v ^= v >> 16;
@ -773,7 +714,7 @@ unsigned int parity (unsigned int v)
return (0x6996 >> v) & 1; return (0x6996 >> v) & 1;
} }
int xscale_load_ic(target_t *target, int mini, uint32_t va, uint32_t buffer[8]) static int xscale_load_ic(target_t *target, int mini, uint32_t va, uint32_t buffer[8])
{ {
armv4_5_common_t *armv4_5 = target->arch_info; armv4_5_common_t *armv4_5 = target->arch_info;
xscale_common_t *xscale = armv4_5->arch_info; xscale_common_t *xscale = armv4_5->arch_info;
@ -831,7 +772,7 @@ int xscale_load_ic(target_t *target, int mini, uint32_t va, uint32_t buffer[8])
return jtag_execute_queue(); return jtag_execute_queue();
} }
int xscale_invalidate_ic_line(target_t *target, uint32_t va) static int xscale_invalidate_ic_line(target_t *target, uint32_t va)
{ {
armv4_5_common_t *armv4_5 = target->arch_info; armv4_5_common_t *armv4_5 = target->arch_info;
xscale_common_t *xscale = armv4_5->arch_info; xscale_common_t *xscale = armv4_5->arch_info;
@ -864,7 +805,7 @@ int xscale_invalidate_ic_line(target_t *target, uint32_t va)
return ERROR_OK; return ERROR_OK;
} }
int xscale_update_vectors(target_t *target) static int xscale_update_vectors(target_t *target)
{ {
armv4_5_common_t *armv4_5 = target->arch_info; armv4_5_common_t *armv4_5 = target->arch_info;
xscale_common_t *xscale = armv4_5->arch_info; xscale_common_t *xscale = armv4_5->arch_info;
@ -929,7 +870,7 @@ int xscale_update_vectors(target_t *target)
return ERROR_OK; return ERROR_OK;
} }
int xscale_arch_state(struct target_s *target) static int xscale_arch_state(struct target_s *target)
{ {
armv4_5_common_t *armv4_5 = target->arch_info; armv4_5_common_t *armv4_5 = target->arch_info;
xscale_common_t *xscale = armv4_5->arch_info; xscale_common_t *xscale = armv4_5->arch_info;
@ -967,7 +908,7 @@ int xscale_arch_state(struct target_s *target)
return ERROR_OK; return ERROR_OK;
} }
int xscale_poll(target_t *target) static int xscale_poll(target_t *target)
{ {
int retval = ERROR_OK; int retval = ERROR_OK;
armv4_5_common_t *armv4_5 = target->arch_info; armv4_5_common_t *armv4_5 = target->arch_info;
@ -1011,7 +952,7 @@ int xscale_poll(target_t *target)
return retval; return retval;
} }
int xscale_debug_entry(target_t *target) static int xscale_debug_entry(target_t *target)
{ {
armv4_5_common_t *armv4_5 = target->arch_info; armv4_5_common_t *armv4_5 = target->arch_info;
xscale_common_t *xscale = armv4_5->arch_info; xscale_common_t *xscale = armv4_5->arch_info;
@ -1192,7 +1133,7 @@ int xscale_debug_entry(target_t *target)
return ERROR_OK; return ERROR_OK;
} }
int xscale_halt(target_t *target) static int xscale_halt(target_t *target)
{ {
armv4_5_common_t *armv4_5 = target->arch_info; armv4_5_common_t *armv4_5 = target->arch_info;
xscale_common_t *xscale = armv4_5->arch_info; xscale_common_t *xscale = armv4_5->arch_info;
@ -1227,7 +1168,7 @@ int xscale_halt(target_t *target)
return ERROR_OK; return ERROR_OK;
} }
int xscale_enable_single_step(struct target_s *target, uint32_t next_pc) static int xscale_enable_single_step(struct target_s *target, uint32_t next_pc)
{ {
armv4_5_common_t *armv4_5 = target->arch_info; armv4_5_common_t *armv4_5 = target->arch_info;
xscale_common_t *xscale= armv4_5->arch_info; xscale_common_t *xscale= armv4_5->arch_info;
@ -1255,7 +1196,7 @@ int xscale_enable_single_step(struct target_s *target, uint32_t next_pc)
return ERROR_OK; return ERROR_OK;
} }
int xscale_disable_single_step(struct target_s *target) static int xscale_disable_single_step(struct target_s *target)
{ {
armv4_5_common_t *armv4_5 = target->arch_info; armv4_5_common_t *armv4_5 = target->arch_info;
xscale_common_t *xscale= armv4_5->arch_info; xscale_common_t *xscale= armv4_5->arch_info;
@ -1268,7 +1209,33 @@ int xscale_disable_single_step(struct target_s *target)
return ERROR_OK; return ERROR_OK;
} }
int xscale_resume(struct target_s *target, int current, uint32_t address, int handle_breakpoints, int debug_execution) static void xscale_enable_watchpoints(struct target_s *target)
{
watchpoint_t *watchpoint = target->watchpoints;
while (watchpoint)
{
if (watchpoint->set == 0)
xscale_set_watchpoint(target, watchpoint);
watchpoint = watchpoint->next;
}
}
static void xscale_enable_breakpoints(struct target_s *target)
{
breakpoint_t *breakpoint = target->breakpoints;
/* set any pending breakpoints */
while (breakpoint)
{
if (breakpoint->set == 0)
xscale_set_breakpoint(target, breakpoint);
breakpoint = breakpoint->next;
}
}
static int xscale_resume(struct target_s *target, int current,
uint32_t address, int handle_breakpoints, int debug_execution)
{ {
armv4_5_common_t *armv4_5 = target->arch_info; armv4_5_common_t *armv4_5 = target->arch_info;
xscale_common_t *xscale= armv4_5->arch_info; xscale_common_t *xscale= armv4_5->arch_info;
@ -1424,7 +1391,8 @@ int xscale_resume(struct target_s *target, int current, uint32_t address, int ha
return ERROR_OK; return ERROR_OK;
} }
static int xscale_step_inner(struct target_s *target, int current, uint32_t address, int handle_breakpoints) static int xscale_step_inner(struct target_s *target, int current,
uint32_t address, int handle_breakpoints)
{ {
armv4_5_common_t *armv4_5 = target->arch_info; armv4_5_common_t *armv4_5 = target->arch_info;
xscale_common_t *xscale = armv4_5->arch_info; xscale_common_t *xscale = armv4_5->arch_info;
@ -1504,7 +1472,8 @@ static int xscale_step_inner(struct target_s *target, int current, uint32_t addr
return ERROR_OK; return ERROR_OK;
} }
int xscale_step(struct target_s *target, int current, uint32_t address, int handle_breakpoints) static int xscale_step(struct target_s *target, int current,
uint32_t address, int handle_breakpoints)
{ {
armv4_5_common_t *armv4_5 = target->arch_info; armv4_5_common_t *armv4_5 = target->arch_info;
breakpoint_t *breakpoint = target->breakpoints; breakpoint_t *breakpoint = target->breakpoints;
@ -1558,7 +1527,7 @@ int xscale_step(struct target_s *target, int current, uint32_t address, int hand
} }
int xscale_assert_reset(target_t *target) static int xscale_assert_reset(target_t *target)
{ {
armv4_5_common_t *armv4_5 = target->arch_info; armv4_5_common_t *armv4_5 = target->arch_info;
xscale_common_t *xscale = armv4_5->arch_info; xscale_common_t *xscale = armv4_5->arch_info;
@ -1600,7 +1569,7 @@ int xscale_assert_reset(target_t *target)
return ERROR_OK; return ERROR_OK;
} }
int xscale_deassert_reset(target_t *target) static int xscale_deassert_reset(target_t *target)
{ {
armv4_5_common_t *armv4_5 = target->arch_info; armv4_5_common_t *armv4_5 = target->arch_info;
xscale_common_t *xscale = armv4_5->arch_info; xscale_common_t *xscale = armv4_5->arch_info;
@ -1741,18 +1710,21 @@ int xscale_deassert_reset(target_t *target)
return ERROR_OK; return ERROR_OK;
} }
int xscale_read_core_reg(struct target_s *target, int num, enum armv4_5_mode mode) static int xscale_read_core_reg(struct target_s *target, int num,
enum armv4_5_mode mode)
{ {
LOG_ERROR("not implemented");
return ERROR_OK; return ERROR_OK;
} }
int xscale_write_core_reg(struct target_s *target, int num, enum armv4_5_mode mode, uint32_t value) static int xscale_write_core_reg(struct target_s *target, int num,
enum armv4_5_mode mode, uint32_t value)
{ {
LOG_ERROR("not implemented");
return ERROR_OK; return ERROR_OK;
} }
int xscale_full_context(target_t *target) static int xscale_full_context(target_t *target)
{ {
armv4_5_common_t *armv4_5 = target->arch_info; armv4_5_common_t *armv4_5 = target->arch_info;
@ -1828,14 +1800,12 @@ int xscale_full_context(target_t *target)
return ERROR_OK; return ERROR_OK;
} }
int xscale_restore_context(target_t *target) static int xscale_restore_context(target_t *target)
{ {
armv4_5_common_t *armv4_5 = target->arch_info; armv4_5_common_t *armv4_5 = target->arch_info;
int i, j; int i, j;
LOG_DEBUG("-");
if (target->state != TARGET_HALTED) if (target->state != TARGET_HALTED)
{ {
LOG_WARNING("target not halted"); LOG_WARNING("target not halted");
@ -1897,7 +1867,8 @@ int xscale_restore_context(target_t *target)
return ERROR_OK; return ERROR_OK;
} }
int xscale_read_memory(struct target_s *target, uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer) static int xscale_read_memory(struct target_s *target, uint32_t address,
uint32_t size, uint32_t count, uint8_t *buffer)
{ {
armv4_5_common_t *armv4_5 = target->arch_info; armv4_5_common_t *armv4_5 = target->arch_info;
xscale_common_t *xscale = armv4_5->arch_info; xscale_common_t *xscale = armv4_5->arch_info;
@ -1976,7 +1947,8 @@ int xscale_read_memory(struct target_s *target, uint32_t address, uint32_t size,
return ERROR_OK; return ERROR_OK;
} }
int xscale_write_memory(struct target_s *target, uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer) static int xscale_write_memory(struct target_s *target, uint32_t address,
uint32_t size, uint32_t count, uint8_t *buffer)
{ {
armv4_5_common_t *armv4_5 = target->arch_info; armv4_5_common_t *armv4_5 = target->arch_info;
xscale_common_t *xscale = armv4_5->arch_info; xscale_common_t *xscale = armv4_5->arch_info;
@ -2054,12 +2026,13 @@ int xscale_write_memory(struct target_s *target, uint32_t address, uint32_t size
return ERROR_OK; return ERROR_OK;
} }
int xscale_bulk_write_memory(target_t *target, uint32_t address, uint32_t count, uint8_t *buffer) static int xscale_bulk_write_memory(target_t *target, uint32_t address,
uint32_t count, uint8_t *buffer)
{ {
return xscale_write_memory(target, address, 4, count, buffer); return xscale_write_memory(target, address, 4, count, buffer);
} }
uint32_t xscale_get_ttb(target_t *target) static uint32_t xscale_get_ttb(target_t *target)
{ {
armv4_5_common_t *armv4_5 = target->arch_info; armv4_5_common_t *armv4_5 = target->arch_info;
xscale_common_t *xscale = armv4_5->arch_info; xscale_common_t *xscale = armv4_5->arch_info;
@ -2071,7 +2044,8 @@ uint32_t xscale_get_ttb(target_t *target)
return ttb; return ttb;
} }
void xscale_disable_mmu_caches(target_t *target, int mmu, int d_u_cache, int i_cache) static void xscale_disable_mmu_caches(target_t *target, int mmu,
int d_u_cache, int i_cache)
{ {
armv4_5_common_t *armv4_5 = target->arch_info; armv4_5_common_t *armv4_5 = target->arch_info;
xscale_common_t *xscale = armv4_5->arch_info; xscale_common_t *xscale = armv4_5->arch_info;
@ -2110,7 +2084,8 @@ void xscale_disable_mmu_caches(target_t *target, int mmu, int d_u_cache, int i_c
xscale_send_u32(target, 0x53); xscale_send_u32(target, 0x53);
} }
void xscale_enable_mmu_caches(target_t *target, int mmu, int d_u_cache, int i_cache) static void xscale_enable_mmu_caches(target_t *target, int mmu,
int d_u_cache, int i_cache)
{ {
armv4_5_common_t *armv4_5 = target->arch_info; armv4_5_common_t *armv4_5 = target->arch_info;
xscale_common_t *xscale = armv4_5->arch_info; xscale_common_t *xscale = armv4_5->arch_info;
@ -2136,7 +2111,8 @@ void xscale_enable_mmu_caches(target_t *target, int mmu, int d_u_cache, int i_ca
xscale_send_u32(target, 0x53); xscale_send_u32(target, 0x53);
} }
int xscale_set_breakpoint(struct target_s *target, breakpoint_t *breakpoint) static int xscale_set_breakpoint(struct target_s *target,
breakpoint_t *breakpoint)
{ {
int retval; int retval;
armv4_5_common_t *armv4_5 = target->arch_info; armv4_5_common_t *armv4_5 = target->arch_info;
@ -2209,7 +2185,8 @@ int xscale_set_breakpoint(struct target_s *target, breakpoint_t *breakpoint)
return ERROR_OK; return ERROR_OK;
} }
int xscale_add_breakpoint(struct target_s *target, breakpoint_t *breakpoint) static int xscale_add_breakpoint(struct target_s *target,
breakpoint_t *breakpoint)
{ {
armv4_5_common_t *armv4_5 = target->arch_info; armv4_5_common_t *armv4_5 = target->arch_info;
xscale_common_t *xscale = armv4_5->arch_info; xscale_common_t *xscale = armv4_5->arch_info;
@ -2240,7 +2217,8 @@ int xscale_add_breakpoint(struct target_s *target, breakpoint_t *breakpoint)
return ERROR_OK; return ERROR_OK;
} }
int xscale_unset_breakpoint(struct target_s *target, breakpoint_t *breakpoint) static int xscale_unset_breakpoint(struct target_s *target,
breakpoint_t *breakpoint)
{ {
int retval; int retval;
armv4_5_common_t *armv4_5 = target->arch_info; armv4_5_common_t *armv4_5 = target->arch_info;
@ -2295,7 +2273,7 @@ int xscale_unset_breakpoint(struct target_s *target, breakpoint_t *breakpoint)
return ERROR_OK; return ERROR_OK;
} }
int xscale_remove_breakpoint(struct target_s *target, breakpoint_t *breakpoint) static int xscale_remove_breakpoint(struct target_s *target, breakpoint_t *breakpoint)
{ {
armv4_5_common_t *armv4_5 = target->arch_info; armv4_5_common_t *armv4_5 = target->arch_info;
xscale_common_t *xscale = armv4_5->arch_info; xscale_common_t *xscale = armv4_5->arch_info;
@ -2317,7 +2295,8 @@ int xscale_remove_breakpoint(struct target_s *target, breakpoint_t *breakpoint)
return ERROR_OK; return ERROR_OK;
} }
int xscale_set_watchpoint(struct target_s *target, watchpoint_t *watchpoint) static int xscale_set_watchpoint(struct target_s *target,
watchpoint_t *watchpoint)
{ {
armv4_5_common_t *armv4_5 = target->arch_info; armv4_5_common_t *armv4_5 = target->arch_info;
xscale_common_t *xscale = armv4_5->arch_info; xscale_common_t *xscale = armv4_5->arch_info;
@ -2373,7 +2352,8 @@ int xscale_set_watchpoint(struct target_s *target, watchpoint_t *watchpoint)
return ERROR_OK; return ERROR_OK;
} }
int xscale_add_watchpoint(struct target_s *target, watchpoint_t *watchpoint) static int xscale_add_watchpoint(struct target_s *target,
watchpoint_t *watchpoint)
{ {
armv4_5_common_t *armv4_5 = target->arch_info; armv4_5_common_t *armv4_5 = target->arch_info;
xscale_common_t *xscale = armv4_5->arch_info; xscale_common_t *xscale = armv4_5->arch_info;
@ -2399,7 +2379,8 @@ int xscale_add_watchpoint(struct target_s *target, watchpoint_t *watchpoint)
return ERROR_OK; return ERROR_OK;
} }
int xscale_unset_watchpoint(struct target_s *target, watchpoint_t *watchpoint) static int xscale_unset_watchpoint(struct target_s *target,
watchpoint_t *watchpoint)
{ {
armv4_5_common_t *armv4_5 = target->arch_info; armv4_5_common_t *armv4_5 = target->arch_info;
xscale_common_t *xscale = armv4_5->arch_info; xscale_common_t *xscale = armv4_5->arch_info;
@ -2435,7 +2416,7 @@ int xscale_unset_watchpoint(struct target_s *target, watchpoint_t *watchpoint)
return ERROR_OK; return ERROR_OK;
} }
int xscale_remove_watchpoint(struct target_s *target, watchpoint_t *watchpoint) static int xscale_remove_watchpoint(struct target_s *target, watchpoint_t *watchpoint)
{ {
armv4_5_common_t *armv4_5 = target->arch_info; armv4_5_common_t *armv4_5 = target->arch_info;
xscale_common_t *xscale = armv4_5->arch_info; xscale_common_t *xscale = armv4_5->arch_info;
@ -2456,32 +2437,7 @@ int xscale_remove_watchpoint(struct target_s *target, watchpoint_t *watchpoint)
return ERROR_OK; return ERROR_OK;
} }
void xscale_enable_watchpoints(struct target_s *target) static int xscale_get_reg(reg_t *reg)
{
watchpoint_t *watchpoint = target->watchpoints;
while (watchpoint)
{
if (watchpoint->set == 0)
xscale_set_watchpoint(target, watchpoint);
watchpoint = watchpoint->next;
}
}
void xscale_enable_breakpoints(struct target_s *target)
{
breakpoint_t *breakpoint = target->breakpoints;
/* set any pending breakpoints */
while (breakpoint)
{
if (breakpoint->set == 0)
xscale_set_breakpoint(target, breakpoint);
breakpoint = breakpoint->next;
}
}
int xscale_get_reg(reg_t *reg)
{ {
xscale_reg_t *arch_info = reg->arch_info; xscale_reg_t *arch_info = reg->arch_info;
target_t *target = arch_info->target; target_t *target = arch_info->target;
@ -2527,7 +2483,7 @@ int xscale_get_reg(reg_t *reg)
return ERROR_OK; return ERROR_OK;
} }
int xscale_set_reg(reg_t *reg, uint8_t* buf) static int xscale_set_reg(reg_t *reg, uint8_t* buf)
{ {
xscale_reg_t *arch_info = reg->arch_info; xscale_reg_t *arch_info = reg->arch_info;
target_t *target = arch_info->target; target_t *target = arch_info->target;
@ -2572,17 +2528,7 @@ int xscale_set_reg(reg_t *reg, uint8_t* buf)
return ERROR_OK; return ERROR_OK;
} }
/* convenience wrapper to access XScale specific registers */ static int xscale_write_dcsr_sw(target_t *target, uint32_t value)
int xscale_set_reg_u32(reg_t *reg, uint32_t value)
{
uint8_t buf[4];
buf_set_u32(buf, 0, 32, value);
return xscale_set_reg(reg, buf);
}
int xscale_write_dcsr_sw(target_t *target, uint32_t value)
{ {
/* get pointers to arch-specific information */ /* get pointers to arch-specific information */
armv4_5_common_t *armv4_5 = target->arch_info; armv4_5_common_t *armv4_5 = target->arch_info;
@ -2603,7 +2549,7 @@ int xscale_write_dcsr_sw(target_t *target, uint32_t value)
return ERROR_OK; return ERROR_OK;
} }
int xscale_read_trace(target_t *target) static int xscale_read_trace(target_t *target)
{ {
/* get pointers to arch-specific information */ /* get pointers to arch-specific information */
armv4_5_common_t *armv4_5 = target->arch_info; armv4_5_common_t *armv4_5 = target->arch_info;
@ -2682,7 +2628,8 @@ int xscale_read_trace(target_t *target)
return ERROR_OK; return ERROR_OK;
} }
int xscale_read_instruction(target_t *target, arm_instruction_t *instruction) static int xscale_read_instruction(target_t *target,
arm_instruction_t *instruction)
{ {
/* get pointers to arch-specific information */ /* get pointers to arch-specific information */
armv4_5_common_t *armv4_5 = target->arch_info; armv4_5_common_t *armv4_5 = target->arch_info;
@ -2748,7 +2695,8 @@ int xscale_read_instruction(target_t *target, arm_instruction_t *instruction)
return ERROR_OK; return ERROR_OK;
} }
int xscale_branch_address(xscale_trace_data_t *trace_data, int i, uint32_t *target) static int xscale_branch_address(xscale_trace_data_t *trace_data,
int i, uint32_t *target)
{ {
/* if there are less than four entries prior to the indirect branch message /* if there are less than four entries prior to the indirect branch message
* we can't extract the address */ * we can't extract the address */
@ -2763,7 +2711,7 @@ int xscale_branch_address(xscale_trace_data_t *trace_data, int i, uint32_t *targ
return 0; return 0;
} }
int xscale_analyze_trace(target_t *target, command_context_t *cmd_ctx) static int xscale_analyze_trace(target_t *target, command_context_t *cmd_ctx)
{ {
/* get pointers to arch-specific information */ /* get pointers to arch-specific information */
armv4_5_common_t *armv4_5 = target->arch_info; armv4_5_common_t *armv4_5 = target->arch_info;
@ -2952,7 +2900,7 @@ int xscale_analyze_trace(target_t *target, command_context_t *cmd_ctx)
return ERROR_OK; return ERROR_OK;
} }
void xscale_build_reg_cache(target_t *target) static void xscale_build_reg_cache(target_t *target)
{ {
/* get pointers to arch-specific information */ /* get pointers to arch-specific information */
armv4_5_common_t *armv4_5 = target->arch_info; armv4_5_common_t *armv4_5 = target->arch_info;
@ -2997,17 +2945,20 @@ void xscale_build_reg_cache(target_t *target)
xscale->reg_cache = (*cache_p); xscale->reg_cache = (*cache_p);
} }
int xscale_init_target(struct command_context_s *cmd_ctx, struct target_s *target) static int xscale_init_target(struct command_context_s *cmd_ctx,
struct target_s *target)
{ {
return ERROR_OK; return ERROR_OK;
} }
int xscale_quit(void) static int xscale_quit(void)
{ {
jtag_add_runtest(100, TAP_RESET);
return ERROR_OK; return ERROR_OK;
} }
int xscale_init_arch_info(target_t *target, xscale_common_t *xscale, jtag_tap_t *tap, const char *variant) static int xscale_init_arch_info(target_t *target,
xscale_common_t *xscale, jtag_tap_t *tap, const char *variant)
{ {
armv4_5_common_t *armv4_5; armv4_5_common_t *armv4_5;
uint32_t high_reset_branch, low_reset_branch; uint32_t high_reset_branch, low_reset_branch;
@ -3116,7 +3067,7 @@ int xscale_init_arch_info(target_t *target, xscale_common_t *xscale, jtag_tap_t
} }
/* target xscale <endianess> <startup_mode> <chain_pos> <variant> */ /* target xscale <endianess> <startup_mode> <chain_pos> <variant> */
int xscale_target_create(struct target_s *target, Jim_Interp *interp) static int xscale_target_create(struct target_s *target, Jim_Interp *interp)
{ {
xscale_common_t *xscale = calloc(1,sizeof(xscale_common_t)); xscale_common_t *xscale = calloc(1,sizeof(xscale_common_t));
@ -3126,7 +3077,9 @@ int xscale_target_create(struct target_s *target, Jim_Interp *interp)
return ERROR_OK; return ERROR_OK;
} }
int xscale_handle_debug_handler_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) static int
xscale_handle_debug_handler_command(struct command_context_s *cmd_ctx,
char *cmd, char **args, int argc)
{ {
target_t *target = NULL; target_t *target = NULL;
armv4_5_common_t *armv4_5; armv4_5_common_t *armv4_5;
@ -3167,7 +3120,9 @@ int xscale_handle_debug_handler_command(struct command_context_s *cmd_ctx, char
return ERROR_OK; return ERROR_OK;
} }
int xscale_handle_cache_clean_address_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) static int
xscale_handle_cache_clean_address_command(struct command_context_s *cmd_ctx,
char *cmd, char **args, int argc)
{ {
target_t *target = NULL; target_t *target = NULL;
armv4_5_common_t *armv4_5; armv4_5_common_t *armv4_5;
@ -3206,7 +3161,9 @@ int xscale_handle_cache_clean_address_command(struct command_context_s *cmd_ctx,
return ERROR_OK; return ERROR_OK;
} }
int xscale_handle_cache_info_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) static int
xscale_handle_cache_info_command(struct command_context_s *cmd_ctx,
char *cmd, char **args, int argc)
{ {
target_t *target = get_current_target(cmd_ctx); target_t *target = get_current_target(cmd_ctx);
armv4_5_common_t *armv4_5; armv4_5_common_t *armv4_5;
@ -3220,7 +3177,8 @@ int xscale_handle_cache_info_command(struct command_context_s *cmd_ctx, char *cm
return armv4_5_handle_cache_info_command(cmd_ctx, &xscale->armv4_5_mmu.armv4_5_cache); return armv4_5_handle_cache_info_command(cmd_ctx, &xscale->armv4_5_mmu.armv4_5_cache);
} }
static int xscale_virt2phys(struct target_s *target, uint32_t virtual, uint32_t *physical) static int xscale_virt2phys(struct target_s *target,
uint32_t virtual, uint32_t *physical)
{ {
armv4_5_common_t *armv4_5; armv4_5_common_t *armv4_5;
xscale_common_t *xscale; xscale_common_t *xscale;
@ -3257,7 +3215,8 @@ static int xscale_mmu(struct target_s *target, int *enabled)
return ERROR_OK; return ERROR_OK;
} }
int xscale_handle_mmu_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc) static int xscale_handle_mmu_command(command_context_t *cmd_ctx,
char *cmd, char **args, int argc)
{ {
target_t *target = get_current_target(cmd_ctx); target_t *target = get_current_target(cmd_ctx);
armv4_5_common_t *armv4_5; armv4_5_common_t *armv4_5;
@ -3293,7 +3252,8 @@ int xscale_handle_mmu_command(command_context_t *cmd_ctx, char *cmd, char **args
return ERROR_OK; return ERROR_OK;
} }
int xscale_handle_idcache_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc) static int xscale_handle_idcache_command(command_context_t *cmd_ctx,
char *cmd, char **args, int argc)
{ {
target_t *target = get_current_target(cmd_ctx); target_t *target = get_current_target(cmd_ctx);
armv4_5_common_t *armv4_5; armv4_5_common_t *armv4_5;
@ -3347,7 +3307,8 @@ int xscale_handle_idcache_command(command_context_t *cmd_ctx, char *cmd, char **
return ERROR_OK; return ERROR_OK;
} }
int xscale_handle_vector_catch_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc) static int xscale_handle_vector_catch_command(command_context_t *cmd_ctx,
char *cmd, char **args, int argc)
{ {
target_t *target = get_current_target(cmd_ctx); target_t *target = get_current_target(cmd_ctx);
armv4_5_common_t *armv4_5; armv4_5_common_t *armv4_5;
@ -3375,7 +3336,8 @@ int xscale_handle_vector_catch_command(command_context_t *cmd_ctx, char *cmd, ch
} }
int xscale_handle_vector_table_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc) static int xscale_handle_vector_table_command(command_context_t *cmd_ctx,
char *cmd, char **args, int argc)
{ {
target_t *target = get_current_target(cmd_ctx); target_t *target = get_current_target(cmd_ctx);
armv4_5_common_t *armv4_5; armv4_5_common_t *armv4_5;
@ -3434,7 +3396,9 @@ int xscale_handle_vector_table_command(command_context_t *cmd_ctx, char *cmd, ch
} }
int xscale_handle_trace_buffer_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) static int
xscale_handle_trace_buffer_command(struct command_context_s *cmd_ctx,
char *cmd, char **args, int argc)
{ {
target_t *target = get_current_target(cmd_ctx); target_t *target = get_current_target(cmd_ctx);
armv4_5_common_t *armv4_5; armv4_5_common_t *armv4_5;
@ -3513,7 +3477,9 @@ int xscale_handle_trace_buffer_command(struct command_context_s *cmd_ctx, char *
return ERROR_OK; return ERROR_OK;
} }
int xscale_handle_trace_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) static int
xscale_handle_trace_image_command(struct command_context_s *cmd_ctx,
char *cmd, char **args, int argc)
{ {
target_t *target; target_t *target;
armv4_5_common_t *armv4_5; armv4_5_common_t *armv4_5;
@ -3564,7 +3530,8 @@ int xscale_handle_trace_image_command(struct command_context_s *cmd_ctx, char *c
return ERROR_OK; return ERROR_OK;
} }
int xscale_handle_dump_trace_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) static int xscale_handle_dump_trace_command(struct command_context_s *cmd_ctx,
char *cmd, char **args, int argc)
{ {
target_t *target = get_current_target(cmd_ctx); target_t *target = get_current_target(cmd_ctx);
armv4_5_common_t *armv4_5; armv4_5_common_t *armv4_5;
@ -3622,7 +3589,9 @@ int xscale_handle_dump_trace_command(struct command_context_s *cmd_ctx, char *cm
return ERROR_OK; return ERROR_OK;
} }
int xscale_handle_analyze_trace_buffer_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) static int
xscale_handle_analyze_trace_buffer_command(struct command_context_s *cmd_ctx,
char *cmd, char **args, int argc)
{ {
target_t *target = get_current_target(cmd_ctx); target_t *target = get_current_target(cmd_ctx);
armv4_5_common_t *armv4_5; armv4_5_common_t *armv4_5;
@ -3638,7 +3607,8 @@ int xscale_handle_analyze_trace_buffer_command(struct command_context_s *cmd_ctx
return ERROR_OK; return ERROR_OK;
} }
int xscale_handle_cp15(command_context_t *cmd_ctx, char *cmd, char **args, int argc) static int xscale_handle_cp15(command_context_t *cmd_ctx,
char *cmd, char **args, int argc)
{ {
target_t *target = get_current_target(cmd_ctx); target_t *target = get_current_target(cmd_ctx);
armv4_5_common_t *armv4_5; armv4_5_common_t *armv4_5;
@ -3727,7 +3697,7 @@ int xscale_handle_cp15(command_context_t *cmd_ctx, char *cmd, char **args, int a
return ERROR_OK; return ERROR_OK;
} }
int xscale_register_commands(struct command_context_s *cmd_ctx) static int xscale_register_commands(struct command_context_s *cmd_ctx)
{ {
command_t *xscale_cmd; command_t *xscale_cmd;
@ -3757,3 +3727,44 @@ int xscale_register_commands(struct command_context_s *cmd_ctx)
return ERROR_OK; return ERROR_OK;
} }
target_type_t xscale_target =
{
.name = "xscale",
.poll = xscale_poll,
.arch_state = xscale_arch_state,
.target_request_data = NULL,
.halt = xscale_halt,
.resume = xscale_resume,
.step = xscale_step,
.assert_reset = xscale_assert_reset,
.deassert_reset = xscale_deassert_reset,
.soft_reset_halt = NULL,
.get_gdb_reg_list = armv4_5_get_gdb_reg_list,
.read_memory = xscale_read_memory,
.write_memory = xscale_write_memory,
.bulk_write_memory = xscale_bulk_write_memory,
.checksum_memory = arm7_9_checksum_memory,
.blank_check_memory = arm7_9_blank_check_memory,
.run_algorithm = armv4_5_run_algorithm,
.add_breakpoint = xscale_add_breakpoint,
.remove_breakpoint = xscale_remove_breakpoint,
.add_watchpoint = xscale_add_watchpoint,
.remove_watchpoint = xscale_remove_watchpoint,
.register_commands = xscale_register_commands,
.target_create = xscale_target_create,
.init_target = xscale_init_target,
.quit = xscale_quit,
.virt2phys = xscale_virt2phys,
.mmu = xscale_mmu
};