sys64738
/
mspdebug
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Show triggered breakpoints (and watchpoints in sim). 

The "regs" command indicates when the PC is sitting on an enabled
breakpoint. The simulator emits debug output when a watchpoint is
triggered by a simulated instruction.
This commit is contained in:
Daniel Beer 2015-12-11 08:38:42 +13:00
parent 38ea6143cd
commit 89e6174b9f
2 changed files with 16 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/sim.c
View File

@ -68,6 +68,8 @@ static void watchpoint_check(struct sim_device *dev, uint16_t addr,
((bp->type == DEVICE_BPTYPE_WATCH || ((bp->type == DEVICE_BPTYPE_WATCH ||
(bp->type == DEVICE_BPTYPE_READ && !is_write) || (bp->type == DEVICE_BPTYPE_READ && !is_write) ||
(bp->type == DEVICE_BPTYPE_WRITE && is_write)))) { (bp->type == DEVICE_BPTYPE_WRITE && is_write)))) {
printc_dbg("Watchpoint %d triggered (0x%04x, %s)\n",
i, addr, is_write ? "WRITE" : "READ");
dev->watchpoint_hit = 1; dev->watchpoint_hit = 1;
return; return;
} }

14
ui/devcmd.c
View File

@ -38,11 +38,25 @@ int cmd_regs(char **arg)
address_t regs[DEVICE_NUM_REGS]; address_t regs[DEVICE_NUM_REGS];
uint8_t code[16]; uint8_t code[16];
int len = sizeof(code); int len = sizeof(code);
int i;
(void)arg; (void)arg;
if (device_getregs(regs) < 0) if (device_getregs(regs) < 0)
return -1; return -1;
/* Check for breakpoints */
for (i = 0; i < device_default->max_breakpoints; i++) {
const struct device_breakpoint *bp =
&device_default->breakpoints[i];
if ((bp->flags & DEVICE_BP_ENABLED) &&
(bp->type == DEVICE_BPTYPE_BREAK) &&
(bp->addr == regs[MSP430_REG_PC]))
printc("Breakpoint %d triggered (0x%04x)\n",
i, bp->addr);
}
show_regs(regs); show_regs(regs);
/* Try to disassemble the instruction at PC */ /* Try to disassemble the instruction at PC */