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mw_debug: Add -c flag to select which CPU core to address

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Signed-off-by: Paul Mackerras <paulus@ozlabs.org>
This commit is contained in:
Paul Mackerras 2025-01-04 17:16:14 +11:00
parent 9a06b0c182
commit e0c5af9bb1
1 changed files with 23 additions and 13 deletions
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36
scripts/mw_debug/mw_debug.c
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@ -24,28 +24,30 @@
#define DBG_WB_DATA 0x01
#define DBG_WB_CTRL 0x02
#define DBG_CORE_CTRL 0x10
unsigned int core;
#define DBG_CORE_CTRL (0x10 + (core << 4))
#define DBG_CORE_CTRL_STOP (1 << 0)
#define DBG_CORE_CTRL_RESET (1 << 1)
#define DBG_CORE_CTRL_ICRESET (1 << 2)
#define DBG_CORE_CTRL_STEP (1 << 3)
#define DBG_CORE_CTRL_START (1 << 4)
#define DBG_CORE_STAT 0x11
#define DBG_CORE_STAT (0x11 + (core << 4))
#define DBG_CORE_STAT_STOPPING (1 << 0)
#define DBG_CORE_STAT_STOPPED (1 << 1)
#define DBG_CORE_STAT_TERM (1 << 2)
#define DBG_CORE_NIA 0x12
#define DBG_CORE_MSR 0x13
#define DBG_CORE_NIA (0x12 + (core << 4))
#define DBG_CORE_MSR (0x13 + (core << 4))
#define DBG_CORE_GSPR_INDEX 0x14
#define DBG_CORE_GSPR_DATA 0x15
#define DBG_CORE_GSPR_INDEX (0x14 + (core << 4))
#define DBG_CORE_GSPR_DATA (0x15 + (core << 4))
#define DBG_LOG_ADDR 0x16
#define DBG_LOG_DATA 0x17
#define DBG_LOG_TRIGGER 0x18
#define DBG_LOG_MTRIGGER 0x19
#define DBG_LOG_ADDR (0x16 + (core << 4))
#define DBG_LOG_DATA (0x17 + (core << 4))
#define DBG_LOG_TRIGGER (0x18 + (core << 4))
#define DBG_LOG_MTRIGGER (0x19 + (core << 4))
static bool debug;
@ -507,7 +509,7 @@ static void core_status(void)
statstr2 = " (terminated)";
} else if (stat & DBG_CORE_STAT_TERM)
statstr = "odd state (TERM but no STOP)";
printf("Core: %s%s\n", statstr, statstr2);
printf("Core%u: %s%s\n", core, statstr, statstr2);
printf(" NIA: %016" PRIx64 "\n", nia);
printf(" MSR: %016" PRIx64 "\n", msr);
}
@ -792,7 +794,7 @@ static void mtrig_set(uint64_t addr)
static void usage(const char *cmd)
{
fprintf(stderr, "Usage: %s -b <jtag|ecp5|sim> <command> <args>\n", cmd);
fprintf(stderr, "Usage: %s -b <jtag|ecp5|sim> [-c core#] <command> <args>\n", cmd);
fprintf(stderr, "\n");
fprintf(stderr, " CPU core:\n");
@ -851,12 +853,20 @@ int main(int argc, char *argv[])
{ "target", required_argument, 0, 't' },
{ "debug", no_argument, 0, 'd' },
{ "frequency", no_argument, 0, 's' },
{ "core", required_argument, 0, 'c' },
{ 0, 0, 0, 0 }
};
c = getopt_long(argc, argv, "dhb:t:s:", lopts, &oindex);
c = getopt_long(argc, argv, "dhb:t:s:c:", lopts, &oindex);
if (c < 0)
break;
switch(c) {
case 'c':
core = atoi(optarg);
if (core >= 15) {
fprintf(stderr, "Core number out of range (max 14)\n");
exit(1);
}
break;
case 'h':
usage(progname);
break;