powerpc/xmon: Allow listing and clearing breakpoints in read-only mode (96664dee) · Commits · 戴 / test

arch/powerpc/xmon/xmon.c

+11 −5

Original line number	Diff line number	Diff line
		@@ -1047,10 +1047,6 @@ cmds(struct pt_regs *excp)
		set_lpp_cmd();
		break;
		case 'b':
		if (xmon_is_ro) {
		printf(xmon_ro_msg);
		break;
		}
		bpt_cmds();
		break;
		case 'C':
		@@ -1319,11 +1315,16 @@ bpt_cmds(void)
		struct bpt *bp;

		cmd = inchar();

		switch (cmd) {
		#ifndef CONFIG_PPC_8xx
		static const char badaddr[] = "Only kernel addresses are permitted for breakpoints\n";
		int mode;
		case 'd': /* bd - hardware data breakpoint */
		if (xmon_is_ro) {
		printf(xmon_ro_msg);
		break;
		}
		if (!ppc_breakpoint_available()) {
		printf("Hardware data breakpoint not supported on this cpu\n");
		break;
		@@ -1351,6 +1352,10 @@ bpt_cmds(void)
		break;

		case 'i': /* bi - hardware instr breakpoint */
		if (xmon_is_ro) {
		printf(xmon_ro_msg);
		break;
		}
		if (!cpu_has_feature(CPU_FTR_ARCH_207S)) {
		printf("Hardware instruction breakpoint "
		"not supported on this cpu\n");
		@@ -1409,7 +1414,8 @@ bpt_cmds(void)
		break;
		}
		termch = cmd;
		if (!scanhex(&a)) {

		if (xmon_is_ro \|\| !scanhex(&a)) {
		/* print all breakpoints */
		printf(" type address\n");
		if (dabr.enabled) {