diff options
| -rw-r--r-- | payloads/libpayload/include/endian.h | 10 | ||||
| -rw-r--r-- | payloads/libpayload/include/pci.h | 8 | ||||
| -rw-r--r-- | payloads/libpayload/libpci/libpci.c | 40 |
3 files changed, 30 insertions, 28 deletions
diff --git a/payloads/libpayload/include/endian.h b/payloads/libpayload/include/endian.h index dee45f227b..037517c88f 100644 --- a/payloads/libpayload/include/endian.h +++ b/payloads/libpayload/include/endian.h @@ -86,28 +86,30 @@ static inline uint16_t be16dec(const void *pp) { uint8_t const *p = (uint8_t const *)pp; - return ((p[0] << 8) | p[1]); + return (uint16_t)((p[0] << 8) | p[1]); } static inline uint32_t be32dec(const void *pp) { uint8_t const *p = (uint8_t const *)pp; - return (((unsigned)p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3]); + return (((uint32_t)p[0] << 24) | (uint32_t)(p[1] << 16) | + (uint32_t)(p[2] << 8) | p[3]); } static inline uint16_t le16dec(const void *pp) { uint8_t const *p = (uint8_t const *)pp; - return ((p[1] << 8) | p[0]); + return (uint16_t)((p[1] << 8) | p[0]); } static inline uint32_t le32dec(const void *pp) { uint8_t const *p = (uint8_t const *)pp; - return ((p[3] << 24) | (p[2] << 16) | (p[1] << 8) | p[0]); + return ((uint32_t)(p[3] << 24) | (uint32_t)(p[2] << 16) | + (uint32_t)(p[1] << 8) | p[0]); } static inline void bebitenc(void *pp, uint32_t u, uint8_t b) diff --git a/payloads/libpayload/include/pci.h b/payloads/libpayload/include/pci.h index ff07d5c94d..a1bac4ab60 100644 --- a/payloads/libpayload/include/pci.h +++ b/payloads/libpayload/include/pci.h @@ -91,11 +91,11 @@ typedef u32 pcidev_t; #define HEADER_TYPE_CARDBUS 2 #define HEADER_TYPE_MULTIFUNCTION 0x80 -#define PCI_ADDR(_bus, _dev, _fn, _reg) \ -(0x80000000 | (_bus << 16) | (_dev << 11) | (_fn << 8) | (_reg & ~3)) +#define PCI_DEV(_bus, _dev, _fn) (0x80000000 | \ +(uint32_t)(_bus << 16) | (uint32_t)(_dev << 11) | (uint32_t)(_fn << 8)) -#define PCI_DEV(_bus, _dev, _fn) \ -(0x80000000 | (_bus << 16) | (_dev << 11) | (_fn << 8)) +#define PCI_ADDR(_bus, _dev, _fn, _reg) \ +(PCI_DEV(_bus, _dev, _fn) | (uint8_t)(_reg & ~3)) #define PCI_BUS(_d) ((_d >> 16) & 0xff) #define PCI_SLOT(_d) ((_d >> 11) & 0x1f) diff --git a/payloads/libpayload/libpci/libpci.c b/payloads/libpayload/libpci/libpci.c index 82203a16e9..fd0332e067 100644 --- a/payloads/libpayload/libpci/libpci.c +++ b/payloads/libpayload/libpci/libpci.c @@ -40,34 +40,34 @@ static pcidev_t libpci_to_lb(struct pci_dev *dev) /* libpci interface */ u8 pci_read_byte(struct pci_dev *dev, int pos) { - return pci_read_config8(libpci_to_lb(dev), pos); + return pci_read_config8(libpci_to_lb(dev), (uint16_t)pos); } u16 pci_read_word(struct pci_dev *dev, int pos) { - return pci_read_config16(libpci_to_lb(dev), pos); + return pci_read_config16(libpci_to_lb(dev), (uint16_t)pos); } u32 pci_read_long(struct pci_dev *dev, int pos) { - return pci_read_config32(libpci_to_lb(dev), pos); + return pci_read_config32(libpci_to_lb(dev), (uint16_t)pos); } int pci_write_byte(struct pci_dev *dev, int pos, u8 data) { - pci_write_config8(libpci_to_lb(dev), pos, data); + pci_write_config8(libpci_to_lb(dev), (uint16_t)pos, data); return 1; /* success */ } int pci_write_word(struct pci_dev *dev, int pos, u16 data) { - pci_write_config16(libpci_to_lb(dev), pos, data); + pci_write_config16(libpci_to_lb(dev), (uint16_t)pos, data); return 1; /* success */ } int pci_write_long(struct pci_dev *dev, int pos, u32 data) { - pci_write_config32(libpci_to_lb(dev), pos, data); + pci_write_config32(libpci_to_lb(dev), (uint16_t)pos, data); return 1; /* success */ } @@ -110,29 +110,29 @@ char *pci_filter_parse_slot(struct pci_filter* filter, const char* id) char *funcp = strrchr(id, '.'); if (funcp) { - filter->func = strtoul(funcp+1, &endptr, 0); + filter->func = strtol(funcp+1, &endptr, 0); if (endptr[0] != '\0') return invalid_pci_device_string; } char *devp = strrchr(id, ':'); if (!devp) { - filter->dev = strtoul(id, &endptr, 0); + filter->dev = strtol(id, &endptr, 0); } else { - filter->dev = strtoul(devp+1, &endptr, 0); + filter->dev = strtol(devp+1, &endptr, 0); } if (endptr != funcp) return invalid_pci_device_string; if (!devp) return NULL; char *busp = strchr(id, ':'); if (busp == devp) { - filter->bus = strtoul(id, &endptr, 0); + filter->bus = strtol(id, &endptr, 0); } else { - filter->bus = strtoul(busp+1, &endptr, 0); + filter->bus = strtol(busp+1, &endptr, 0); } if (endptr != funcp) return invalid_pci_device_string; if (busp == devp) return NULL; - filter->domain = strtoul(id, &endptr, 0); + filter->domain = strtol(id, &endptr, 0); if (endptr != busp) return invalid_pci_device_string; return NULL; @@ -155,15 +155,15 @@ int pci_filter_match(struct pci_filter* pf, struct pci_dev* dev) return 1; } -static struct pci_dev *pci_scan_single_bus(struct pci_dev *dev, int bus) +static struct pci_dev *pci_scan_single_bus(struct pci_dev *dev, uint8_t bus) { int devfn; u32 val; unsigned char hdr; for (devfn = 0; devfn < 0x100; devfn++) { - int func = devfn & 0x7; - int slot = (devfn >> 3) & 0x1f; + uint8_t func = devfn & 0x7; + uint8_t slot = (devfn >> 3) & 0x1f; val = pci_read_config32(PCI_DEV(bus, slot, func), REG_VENDOR_ID); @@ -179,7 +179,7 @@ static struct pci_dev *pci_scan_single_bus(struct pci_dev *dev, int bus) dev->dev = slot; dev->func = func; dev->vendor_id = val & 0xffff; - dev->device_id = val >> 16; + dev->device_id = (uint16_t)(val >> 16); dev->next = 0; hdr = pci_read_config8(PCI_DEV(bus, slot, func), @@ -187,10 +187,10 @@ static struct pci_dev *pci_scan_single_bus(struct pci_dev *dev, int bus) hdr &= 0x7F; if (hdr == HEADER_TYPE_BRIDGE || hdr == HEADER_TYPE_CARDBUS) { - unsigned int busses; - busses = pci_read_config32(PCI_DEV(bus, slot, func), - REG_PRIMARY_BUS); - busses = (busses >> 8) & 0xFF; + uint8_t busses; + busses = (uint8_t)(pci_read_config32( + PCI_DEV(bus, slot, func), + REG_PRIMARY_BUS) >> 8); /* Avoid recursion if the new bus is the same as * the old bus (insert lame The Who joke here) */ |