X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=src%2Ftarget%2Farmv7m.c;h=03c9c7ace8812bd467ef9c98d3ed21c4be231a78;hp=f0829c61770e62752d4a59b677ca5533f6f65d13;hb=4617cd0f911d64a460d99d25c531ddc55f2452ca;hpb=1d9fba8c1488c3774c8bde737c2d658b1f525d09

diff --git a/src/target/armv7m.c b/src/target/armv7m.c
index f0829c6177..03c9c7ace8 100644
--- a/src/target/armv7m.c
+++ b/src/target/armv7m.c
@@ -313,7 +313,7 @@ static int armv7m_run_and_wait(struct target *target, uint32_t entry_point, int
 	}
 
 	armv7m->load_core_reg_u32(target, ARMV7M_REGISTER_CORE_GP, 15, &pc);
-	if (pc != exit_point)
+	if (exit_point && (pc != exit_point))
 	{
 		LOG_DEBUG("failed algoritm halted at 0x%" PRIx32 " ", pc);
 		return ERROR_TARGET_TIMEOUT;
@@ -527,7 +527,7 @@ struct reg_cache *armv7m_build_reg_cache(struct target *target)
 	return cache;
 }
 
-int armv7m_setup_semihosting(struct target *target, int enable)
+static int armv7m_setup_semihosting(struct target *target, int enable)
 {
 	/* nothing todo for armv7m */
 	return ERROR_OK;
@@ -562,6 +562,8 @@ int armv7m_checksum_memory(struct target *target,
 	struct reg_param reg_params[2];
 	int retval;
 
+	/* see contib/loaders/checksum/armv7m_crc.s for src */
+
 	static const uint16_t cortex_m3_crc_code[] = {
 		0x4602,					/* mov	r2, r0 */
 		0xF04F, 0x30FF,			/* mov	r0, #0xffffffff */
@@ -615,8 +617,10 @@ int armv7m_checksum_memory(struct target *target,
 	buf_set_u32(reg_params[0].value, 0, 32, address);
 	buf_set_u32(reg_params[1].value, 0, 32, count);
 
+	int timeout = 20000 * (1 + (count / (1024 * 1024)));
+
 	if ((retval = target_run_algorithm(target, 0, NULL, 2, reg_params,
-		crc_algorithm->address, crc_algorithm->address + (sizeof(cortex_m3_crc_code)-6), 20000, &armv7m_info)) != ERROR_OK)
+		crc_algorithm->address, crc_algorithm->address + (sizeof(cortex_m3_crc_code)-6), timeout, &armv7m_info)) != ERROR_OK)
 	{
 		LOG_ERROR("error executing cortex_m3 crc algorithm");
 		destroy_reg_param(&reg_params[0]);