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nds32: support multi-target debugging

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Change-Id: If767f646b234dbcdb01946e5d13a3a6a29df2d78
Signed-off-by: Hsiangkai Wang <hsiangkai@gmail.com>
Reviewed-on: http://openocd.zylin.com/1581
Tested-by: jenkins
Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk>
This commit is contained in:
Hsiangkai Wang
2013-07-02 17:29:46 +08:00
committed by Spencer Oliver
parent 18c40eb9e5
commit 24dd226e89
12 changed files with 835 additions and 758 deletions
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31
src/target/nds32_v3_common.c
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@@ -29,18 +29,6 @@
#include "nds32_aice.h"
#include "nds32_v3_common.h"
static struct breakpoint syscall_breakpoint = {
0x80,
0,
4,
BKPT_SOFT,
0,
NULL,
NULL,
0x515CA11,
0,
};
static struct nds32_v3_common_callback *v3_common_callback;
static int nds32_v3_register_mapping(struct nds32 *nds32, int reg_no)
@@ -90,17 +78,18 @@ static int nds32_v3_debug_entry(struct nds32 *nds32, bool enable_watchpoint)
if (enable_watchpoint)
CHECK_RETVAL(v3_common_callback->deactivate_hardware_watchpoint(nds32->target));
struct breakpoint *syscall_break = &(nds32->syscall_break);
if (nds32->virtual_hosting) {
if (syscall_breakpoint.set) {
if (syscall_break->set) {
/** disable virtual hosting */
/* remove breakpoint at syscall entry */
target_remove_breakpoint(nds32->target, &syscall_breakpoint);
syscall_breakpoint.set = 0;
target_remove_breakpoint(nds32->target, syscall_break);
syscall_break->set = 0;
uint32_t value_pc;
nds32_get_mapped_reg(nds32, PC, &value_pc);
if (value_pc == syscall_breakpoint.address)
if (value_pc == syscall_break->address)
/** process syscall for virtual hosting */
nds32->hit_syscall = true;
}
@@ -218,10 +207,12 @@ static int nds32_v3_leave_debug_state(struct nds32 *nds32, bool enable_watchpoin
}
/* insert breakpoint at syscall entry */
syscall_breakpoint.address = syscall_address;
syscall_breakpoint.type = BKPT_SOFT;
syscall_breakpoint.set = 1;
target_add_breakpoint(target, &syscall_breakpoint);
struct breakpoint *syscall_break = &(nds32->syscall_break);
syscall_break->address = syscall_address;
syscall_break->type = BKPT_SOFT;
syscall_break->set = 1;
target_add_breakpoint(target, syscall_break);
}
return ERROR_OK;