Shawn C has uploaded this change for review.
arch/x86/include/arch/pci_io_cfg.h: Fix UndefinedBehavior sanitizer complain
GCC build option "-fsanitize=shift" will complain:
"runtime error: left shift of 1 by 31 places cannot be represented in type 'int'"
Signed-off-by: Shawn C <citypw@hardenedlinux.org>
Change-Id: I6eeee1e92b616f68aa60eb74771912dd00ff7712
---
M src/arch/x86/include/arch/pci_io_cfg.h
1 file changed, 1 insertion(+), 1 deletion(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/76/49076/1
diff --git a/src/arch/x86/include/arch/pci_io_cfg.h b/src/arch/x86/include/arch/pci_io_cfg.h
index 61dd106..5e9761e 100644
--- a/src/arch/x86/include/arch/pci_io_cfg.h
+++ b/src/arch/x86/include/arch/pci_io_cfg.h
@@ -10,7 +10,7 @@
static __always_inline
uint32_t pci_io_encode_addr(pci_devfn_t dev, uint16_t reg)
{
- uint32_t addr = 1 << 31;
+ uint32_t addr = 1UL << 31;
addr |= dev >> 4;
addr |= reg & 0xfc;
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