Patrick Georgi submitted this change.
libpayload: add read64() and write64()
Change-Id: I6febf13ed54a7707f5a99d3d2715c36e18517c12
Signed-off-by: Thomas Heijligen <thomas.heijligen@secunet.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/34206
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
---
M payloads/libpayload/include/x86/arch/io.h
1 file changed, 10 insertions(+), 0 deletions(-)
diff --git a/payloads/libpayload/include/x86/arch/io.h b/payloads/libpayload/include/x86/arch/io.h
index c417ce0..46836d9 100644
--- a/payloads/libpayload/include/x86/arch/io.h
+++ b/payloads/libpayload/include/x86/arch/io.h
@@ -64,6 +64,11 @@
return *((volatile uint32_t *)(addr));
}
+static inline __attribute__((always_inline)) uint64_t read64(const volatile void *addr)
+{
+ return *((volatile uint64_t *)(addr));
+}
+
static inline __attribute__((always_inline)) void write8(volatile void *addr, uint8_t value)
{
*((volatile uint8_t *)(addr)) = value;
@@ -79,6 +84,11 @@
*((volatile uint32_t *)(addr)) = value;
}
+static inline __attribute__((always_inline)) void write64(volatile void *addr, uint64_t value)
+{
+ *((volatile uint64_t *)(addr)) = value;
+}
+
static inline unsigned int inl(int port)
{
unsigned long val;
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