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authorStefano Babic <sbabic@denx.de>2015-11-12 17:13:26 +0100
committerStefano Babic <sbabic@denx.de>2015-11-12 17:13:26 +0100
commit5f5620ab2679608f94b3a77e51c77d0a770103bd (patch)
treeec983c06d2f62384909968bb870add121b8a1502 /arch/arm/lib/semihosting.c
parent78e9ca52edaab74ad645d719676ff4c24d2f462c (diff)
parent038be18fd95aa6283eafb85ceabc0b880976424b (diff)
Merge git://git.denx.de/u-boot
Diffstat (limited to 'arch/arm/lib/semihosting.c')
-rw-r--r--arch/arm/lib/semihosting.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/arm/lib/semihosting.c b/arch/arm/lib/semihosting.c
index c3e964eabc..e32ad90945 100644
--- a/arch/arm/lib/semihosting.c
+++ b/arch/arm/lib/semihosting.c
@@ -31,6 +31,8 @@ static noinline long smh_trap(unsigned int sysnum, void *addr)
register long result asm("r0");
#if defined(CONFIG_ARM64)
asm volatile ("hlt #0xf000" : "=r" (result) : "0"(sysnum), "r"(addr));
+#elif defined(CONFIG_CPU_V7M)
+ asm volatile ("bkpt #0xAB" : "=r" (result) : "0"(sysnum), "r"(addr));
#else
/* Note - untested placeholder */
asm volatile ("svc #0x123456" : "=r" (result) : "0"(sysnum), "r"(addr));
@@ -90,7 +92,7 @@ static long smh_read(long fd, void *memp, size_t len)
size_t len;
} read;
- debug("%s: fd %ld, memp %p, len %lu\n", __func__, fd, memp, len);
+ debug("%s: fd %ld, memp %p, len %zu\n", __func__, fd, memp, len);
read.fd = fd;
read.memp = memp;
@@ -104,7 +106,7 @@ static long smh_read(long fd, void *memp, size_t len)
* hard to maintain partial read loops and such, just fail
* with an error message.
*/
- printf("%s: ERROR ret %ld, fd %ld, len %lu memp %p\n",
+ printf("%s: ERROR ret %ld, fd %ld, len %zu memp %p\n",
__func__, ret, fd, len, memp);
return -1;
}