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-rw-r--r--src/libstrongswan/plugins/rdrand/rdrand_rng.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/src/libstrongswan/plugins/rdrand/rdrand_rng.c b/src/libstrongswan/plugins/rdrand/rdrand_rng.c
index 8c219b426..d032cbe31 100644
--- a/src/libstrongswan/plugins/rdrand/rdrand_rng.c
+++ b/src/libstrongswan/plugins/rdrand/rdrand_rng.c
@@ -61,9 +61,9 @@ static bool rdrand16(u_int16_t *out)
for (i = 0; i < MAX_TRIES; i++)
{
- asm("rdrand %0;"
+ asm(".byte 0x66;.byte 0x0f;.byte 0xc7;.byte 0xf0; " /* rdrand */
"setc %1;"
- : "=r"(*out), "=qm"(res));
+ : "=a"(*out), "=qm"(res));
if (res)
{
@@ -83,9 +83,9 @@ static bool rdrand32(u_int32_t *out)
for (i = 0; i < MAX_TRIES; i++)
{
- asm("rdrand %0;"
+ asm(".byte 0x0f;.byte 0xc7;.byte 0xf0;" /* rdrand */
"setc %1;"
- : "=r"(*out), "=qm"(res));
+ : "=a"(*out), "=qm"(res));
if (res)
{
@@ -106,9 +106,9 @@ static bool rdrand64(u_int64_t *out)
for (i = 0; i < MAX_TRIES; i++)
{
- asm("rdrand %0;"
+ asm(".byte 0x48;.byte 0x0f;.byte 0xc7;.byte 0xf0;" /* rdrand */
"setc %1;"
- : "=r"(*out), "=qm"(res));
+ : "=a"(*out), "=qm"(res));
if (res)
{