diff options
| author | Peter Maydell <peter.maydell@linaro.org> | 2014-03-17 16:00:38 +0000 |
|---|---|---|
| committer | Michael Tokarev <mjt@tls.msk.ru> | 2014-03-27 19:22:49 +0400 |
| commit | a879125b47c3ae554c01824f996a64a45a86556e (patch) | |
| tree | 9f15872e27298b9d3a78b06656c6aa54425a7225 /tests/libqos/pci-pc.c | |
| parent | a1f7f97b950a46393b0e55a9a0082e70f540cbbd (diff) | |
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.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/tests/libqos/pci-pc.c b/tests/libqos/pci-pc.c index 3bde8ab190..bf741a43ac 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); } |