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authorPeter Maydell <peter.maydell@linaro.org>2014-03-17 16:00:38 +0000
committerMichael Tokarev <mjt@tls.msk.ru>2014-03-27 19:22:49 +0400
commita879125b47c3ae554c01824f996a64a45a86556e (patch)
tree9f15872e27298b9d3a78b06656c6aa54425a7225 /tests/libqos/pci-pc.c
parenta1f7f97b950a46393b0e55a9a0082e70f540cbbd (diff)
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tests/libqos/pci-pc: Avoid shifting left into sign bit
Add U suffix when doing "1 << 31" to avoid undefined behaviour. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Diffstat (limited to 'tests/libqos/pci-pc.c')
-rw-r--r--tests/libqos/pci-pc.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/tests/libqos/pci-pc.c b/tests/libqos/pci-pc.c
index 3bde8ab..bf741a4 100644
--- a/tests/libqos/pci-pc.c
+++ b/tests/libqos/pci-pc.c
@@ -110,37 +110,37 @@ static void qpci_pc_io_writel(QPCIBus *bus, void *addr, uint32_t value)
static uint8_t qpci_pc_config_readb(QPCIBus *bus, int devfn, uint8_t offset)
{
- outl(0xcf8, (1 << 31) | (devfn << 8) | offset);
+ outl(0xcf8, (1U << 31) | (devfn << 8) | offset);
return inb(0xcfc);
}
static uint16_t qpci_pc_config_readw(QPCIBus *bus, int devfn, uint8_t offset)
{
- outl(0xcf8, (1 << 31) | (devfn << 8) | offset);
+ outl(0xcf8, (1U << 31) | (devfn << 8) | offset);
return inw(0xcfc);
}
static uint32_t qpci_pc_config_readl(QPCIBus *bus, int devfn, uint8_t offset)
{
- outl(0xcf8, (1 << 31) | (devfn << 8) | offset);
+ outl(0xcf8, (1U << 31) | (devfn << 8) | offset);
return inl(0xcfc);
}
static void qpci_pc_config_writeb(QPCIBus *bus, int devfn, uint8_t offset, uint8_t value)
{
- outl(0xcf8, (1 << 31) | (devfn << 8) | offset);
+ outl(0xcf8, (1U << 31) | (devfn << 8) | offset);
outb(0xcfc, value);
}
static void qpci_pc_config_writew(QPCIBus *bus, int devfn, uint8_t offset, uint16_t value)
{
- outl(0xcf8, (1 << 31) | (devfn << 8) | offset);
+ outl(0xcf8, (1U << 31) | (devfn << 8) | offset);
outw(0xcfc, value);
}
static void qpci_pc_config_writel(QPCIBus *bus, int devfn, uint8_t offset, uint32_t value)
{
- outl(0xcf8, (1 << 31) | (devfn << 8) | offset);
+ outl(0xcf8, (1U << 31) | (devfn << 8) | offset);
outl(0xcfc, value);
}