target/cortex_m: return error if breakpoint address is out of range

[openocd] / src / target / cortex_m.c

diff --git a/src/target/cortex_m.c b/src/target/cortex_m.c
index b6043fccfb64836d80a3adeef2c1f374c5c61425..d1afbd569a6261f10b37f3a5fe6ccd24a57c378f 100644 (file)
--- a/src/target/cortex_m.c
+++ b/src/target/cortex_m.c
@@ -1137,6 +1137,10 @@ int cortex_m_set_breakpoint(struct target *target, struct breakpoint *breakpoint
                breakpoint->set = fp_num + 1;
                fpcr_value = breakpoint->address | 1;
                if (cortex_m->fp_rev == 0) {
+                       if (breakpoint->address > 0x1FFFFFFF) {
+                               LOG_ERROR("Cortex-M Flash Patch Breakpoint rev.1 cannot handle HW breakpoint above address 0x1FFFFFFE");
+                               return ERROR_FAIL;
+                       }
                        uint32_t hilo;
                        hilo = (breakpoint->address & 0x2) ? FPCR_REPLACE_BKPT_HIGH : FPCR_REPLACE_BKPT_LOW;
                        fpcr_value = (fpcr_value & 0x1FFFFFFC) | hilo | 1;