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Diffstat (limited to 'util/inteltool/inteltool.c')
-rw-r--r--util/inteltool/inteltool.c156
1 files changed, 74 insertions, 82 deletions
diff --git a/util/inteltool/inteltool.c b/util/inteltool/inteltool.c
index 84c0f0a945..b0bb0f25fb 100644
--- a/util/inteltool/inteltool.c
+++ b/util/inteltool/inteltool.c
@@ -32,7 +32,7 @@
#define INTELTOOL_VERSION "1.0"
-/* Tested Chipsets: */
+/* Tested chipsets: */
#define PCI_VENDOR_ID_INTEL 0x8086
#define PCI_DEVICE_ID_INTEL_ICH 0x2410
#define PCI_DEVICE_ID_INTEL_ICH0 0x2420
@@ -46,7 +46,7 @@
static const struct {
uint16_t vendor_id, device_id;
- char * name;
+ char *name;
} supported_chips_list[] = {
{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82945GM, "i945GM" },
{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH7MDH, "ICH7-M DH" },
@@ -59,9 +59,6 @@ static const struct {
{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH, "ICH" }
};
-
-
-
#define ARRAY_SIZE(a) ((int)(sizeof(a) / sizeof((a)[0])))
int fd_mem;
@@ -70,8 +67,7 @@ int fd_msr;
typedef struct { uint32_t hi, lo; } msr_t;
typedef struct { uint16_t addr; int size; char *name; } io_register_t;
-
-static const io_register_t ich0_gpio_registers[] = {
+static const io_register_t ich0_gpio_registers[] = {
{ 0x00, 4, "GPIO_USE_SEL" },
{ 0x04, 4, "GP_IO_SEL" },
{ 0x08, 4, "RESERVED" },
@@ -90,7 +86,7 @@ static const io_register_t ich0_gpio_registers[] = {
{ 0x3C, 4, "RESERVED" }
};
-static const io_register_t ich4_gpio_registers[] = {
+static const io_register_t ich4_gpio_registers[] = {
{ 0x00, 4, "GPIO_USE_SEL" },
{ 0x04, 4, "GP_IO_SEL" },
{ 0x08, 4, "RESERVED" },
@@ -109,7 +105,7 @@ static const io_register_t ich4_gpio_registers[] = {
{ 0x3C, 4, "RESERVED" }
};
-static const io_register_t ich7_gpio_registers[] = {
+static const io_register_t ich7_gpio_registers[] = {
{ 0x00, 4, "GPIO_USE_SEL" },
{ 0x04, 4, "GP_IO_SEL" },
{ 0x08, 4, "RESERVED" },
@@ -167,22 +163,22 @@ int print_gpios(struct pci_dev *sb)
printf("GPIOBASE = 0x%04x (IO)\n\n", gpiobase);
- for (i=0; i<size; i++) {
+ for (i = 0; i < size; i++) {
switch (gpio_registers[i].size) {
case 4:
- printf("gpiobase+0x%04x: 0x%08x (%s)\n",
+ printf("gpiobase+0x%04x: 0x%08x (%s)\n",
gpio_registers[i].addr,
inl(gpiobase+gpio_registers[i].addr),
gpio_registers[i].name);
break;
case 2:
- printf("gpiobase+0x%04x: 0x%04x (%s)\n",
+ printf("gpiobase+0x%04x: 0x%04x (%s)\n",
gpio_registers[i].addr,
inw(gpiobase+gpio_registers[i].addr),
gpio_registers[i].name);
break;
case 1:
- printf("gpiobase+0x%04x: 0x%02x (%s)\n",
+ printf("gpiobase+0x%04x: 0x%02x (%s)\n",
gpio_registers[i].addr,
inb(gpiobase+gpio_registers[i].addr),
gpio_registers[i].name);
@@ -195,7 +191,7 @@ int print_gpios(struct pci_dev *sb)
int print_rcba(struct pci_dev *sb)
{
- int i, size=0x4000;
+ int i, size = 0x4000;
volatile uint8_t *rcba;
uint32_t rcba_phys;
@@ -206,7 +202,7 @@ int print_rcba(struct pci_dev *sb)
case PCI_DEVICE_ID_INTEL_ICH7M:
case PCI_DEVICE_ID_INTEL_ICH7DH:
case PCI_DEVICE_ID_INTEL_ICH7MDH:
- rcba_phys = pci_read_long(sb, 0xf0) & 0xfffffffe;
+ rcba_phys = pci_read_long(sb, 0xf0) & 0xfffffffe;
break;
case PCI_DEVICE_ID_INTEL_ICH:
case PCI_DEVICE_ID_INTEL_ICH0:
@@ -229,18 +225,18 @@ int print_rcba(struct pci_dev *sb)
printf("RCBA = 0x%08x (MEM)\n\n", rcba_phys);
- for (i=0; i<size; i+=4) {
- if(*(uint32_t *)(rcba+i))
- printf("0x%04x: 0x%08x\n", i, *(uint32_t *)(rcba+i));
+ for (i = 0; i < size; i += 4) {
+ if (*(uint32_t *)(rcba + i))
+ printf("0x%04x: 0x%08x\n", i, *(uint32_t *)(rcba + i));
}
- munmap((void *) rcba, size);
+ munmap((void *)rcba, size);
return 0;
}
int print_pmbase(struct pci_dev *sb)
{
- int i, size=0x80;
+ int i, size = 0x80;
uint16_t pmbase;
printf("\n============= PMBASE ============\n\n");
@@ -250,7 +246,7 @@ int print_pmbase(struct pci_dev *sb)
case PCI_DEVICE_ID_INTEL_ICH7M:
case PCI_DEVICE_ID_INTEL_ICH7DH:
case PCI_DEVICE_ID_INTEL_ICH7MDH:
- pmbase = pci_read_word(sb, 0x40) & 0xfffc;
+ pmbase = pci_read_word(sb, 0x40) & 0xfffc;
break;
case 0x1234: // Dummy for non-existent functionality
printf("This southbridge does not have PMBASE.\n");
@@ -262,8 +258,8 @@ int print_pmbase(struct pci_dev *sb)
printf("PMBASE = 0x%04x (IO)\n\n", pmbase);
- for (i=0; i<size; i+=4) {
- printf("pmbase+0x%04x: 0x%08x\n", i, inl(pmbase+i));
+ for (i = 0; i < size; i += 4) {
+ printf("pmbase+0x%04x: 0x%08x\n", i, inl(pmbase + i));
}
return 0;
@@ -272,10 +268,9 @@ int print_pmbase(struct pci_dev *sb)
/*
* (G)MCH MMIO Config Space
*/
-
int print_mchbar(struct pci_dev *nb)
{
- int i, size=(16*1024);
+ int i, size = (16 * 1024);
volatile uint8_t *mchbar;
uint32_t mchbar_phys;
@@ -283,7 +278,7 @@ int print_mchbar(struct pci_dev *nb)
switch (nb->device_id) {
case PCI_DEVICE_ID_INTEL_82945GM:
- mchbar_phys = pci_read_long(nb, 0x44) & 0xfffffffe;
+ mchbar_phys = pci_read_long(nb, 0x44) & 0xfffffffe;
break;
case 0x1234: // Dummy for non-existent functionality
printf("This northbrigde does not have MCHBAR.\n");
@@ -294,7 +289,7 @@ int print_mchbar(struct pci_dev *nb)
}
mchbar = mmap(0, size, PROT_WRITE | PROT_READ, MAP_SHARED,
- fd_mem, (off_t) mchbar_phys );
+ fd_mem, (off_t) mchbar_phys);
if (mchbar == MAP_FAILED) {
perror("Error mapping MCHBAR");
@@ -303,12 +298,12 @@ int print_mchbar(struct pci_dev *nb)
printf("MCHBAR = 0x%08x (MEM)\n\n", mchbar_phys);
- for (i=0; i<size; i+=4) {
- if(*(uint32_t *)(mchbar+i))
+ for (i = 0; i < size; i += 4) {
+ if (*(uint32_t *)(mchbar + i))
printf("0x%04x: 0x%08x\n", i, *(uint32_t *)(mchbar+i));
}
- munmap((void *) mchbar, size);
+ munmap((void *)mchbar, size);
return 0;
}
@@ -317,7 +312,7 @@ int print_mchbar(struct pci_dev *nb)
*/
int print_epbar(struct pci_dev *nb)
{
- int i, size=4096;
+ int i, size = (4 * 1024);
volatile uint8_t *epbar;
uint32_t epbar_phys;
@@ -325,7 +320,7 @@ int print_epbar(struct pci_dev *nb)
switch (nb->device_id) {
case PCI_DEVICE_ID_INTEL_82945GM:
- epbar_phys = pci_read_long(nb, 0x40) & 0xfffffffe;
+ epbar_phys = pci_read_long(nb, 0x40) & 0xfffffffe;
break;
case 0x1234: // Dummy for non-existent functionality
printf("This northbrigde does not have EPBAR.\n");
@@ -336,7 +331,7 @@ int print_epbar(struct pci_dev *nb)
}
epbar = mmap(0, size, PROT_WRITE | PROT_READ, MAP_SHARED,
- fd_mem, (off_t) epbar_phys );
+ fd_mem, (off_t) epbar_phys);
if (epbar == MAP_FAILED) {
perror("Error mapping EPBAR");
@@ -344,22 +339,21 @@ int print_epbar(struct pci_dev *nb)
}
printf("EPBAR = 0x%08x (MEM)\n\n", epbar_phys);
- for (i=0; i<size; i+=4) {
- if(*(uint32_t *)(epbar+i))
+ for (i = 0; i < size; i += 4) {
+ if (*(uint32_t *)(epbar + i))
printf("0x%04x: 0x%08x\n", i, *(uint32_t *)(epbar+i));
}
- munmap((void *) epbar, size);
+ munmap((void *)epbar, size);
return 0;
}
-
/*
- * MCH-ICH Serial Interconnect Ingress Root Complex MMIO configuration space
+ * MCH-ICH Serial Interconnect Ingress Root Complex MMIO configuration space
*/
int print_dmibar(struct pci_dev *nb)
{
- int i, size=4096;
+ int i, size = (4 * 1024);
volatile uint8_t *dmibar;
uint32_t dmibar_phys;
@@ -367,7 +361,7 @@ int print_dmibar(struct pci_dev *nb)
switch (nb->device_id) {
case PCI_DEVICE_ID_INTEL_82945GM:
- dmibar_phys = pci_read_long(nb, 0x4c) & 0xfffffffe;
+ dmibar_phys = pci_read_long(nb, 0x4c) & 0xfffffffe;
break;
case 0x1234: // Dummy for non-existent functionality
printf("This northbrigde does not have DMIBAR.\n");
@@ -378,7 +372,7 @@ int print_dmibar(struct pci_dev *nb)
}
dmibar = mmap(0, size, PROT_WRITE | PROT_READ, MAP_SHARED,
- fd_mem, (off_t) dmibar_phys );
+ fd_mem, (off_t) dmibar_phys);
if (dmibar == MAP_FAILED) {
perror("Error mapping DMIBAR");
@@ -386,12 +380,12 @@ int print_dmibar(struct pci_dev *nb)
}
printf("DMIBAR = 0x%08x (MEM)\n\n", dmibar_phys);
- for (i=0; i<size; i+=4) {
- if(*(uint32_t *)(dmibar+i))
+ for (i = 0; i < size; i += 4) {
+ if (*(uint32_t *)(dmibar + i))
printf("0x%04x: 0x%08x\n", i, *(uint32_t *)(dmibar+i));
}
- munmap((void *) dmibar, size);
+ munmap((void *)dmibar, size);
return 0;
}
@@ -410,7 +404,7 @@ int print_pciexbar(struct pci_dev *nb)
switch (nb->device_id) {
case PCI_DEVICE_ID_INTEL_82945GM:
- pciexbar_reg = pci_read_long(nb, 0x48);
+ pciexbar_reg = pci_read_long(nb, 0x48);
break;
case 0x1234: // Dummy for non-existent functionality
printf("Error: This northbrigde does not have PCIEXBAR.\n");
@@ -420,7 +414,7 @@ int print_pciexbar(struct pci_dev *nb)
return 1;
}
- if( !(pciexbar_reg & (1 << 0))) {
+ if (!(pciexbar_reg & (1 << 0))) {
printf("PCIEXBAR register is disabled.\n");
return 0;
}
@@ -439,14 +433,14 @@ int print_pciexbar(struct pci_dev *nb)
max_busses = 64;
break;
default: // RSVD
- printf("Undefined Address base. Bailing out\n");
+ printf("Undefined address base. Bailing out.\n");
return 1;
}
printf("PCIEXBAR: 0x%08x\n", pciexbar_phys);
- pciexbar = mmap(0, (max_busses * 1024 * 1024), PROT_WRITE | PROT_READ, MAP_SHARED,
- fd_mem, (off_t) pciexbar_phys );
+ pciexbar = mmap(0, (max_busses * 1024 * 1024), PROT_WRITE | PROT_READ,
+ MAP_SHARED, fd_mem, (off_t) pciexbar_phys);
if (pciexbar == MAP_FAILED) {
perror("Error mapping PCIEXBAR");
@@ -471,7 +465,7 @@ int print_pciexbar(struct pci_dev *nb)
}
printf("\nPCIe %02x:%02x.%01x extended config space:", bus, dev, fn);
- for (i=0; i<4096; i++) {
+ for (i = 0; i < 4096; i++) {
if((i % 0x10) == 0)
printf("\n%04x:", i);
printf(" %02x", *(pciexbar+devbase+i));
@@ -481,7 +475,7 @@ int print_pciexbar(struct pci_dev *nb)
}
}
- munmap((void *) pciexbar, (max_busses * 1024 * 1024));
+ munmap((void *)pciexbar, (max_busses * 1024 * 1024));
return 0;
}
@@ -490,7 +484,7 @@ int msr_readerror = 0;
msr_t rdmsr(int addr)
{
- unsigned char buf[8];
+ uint8_t buf[8];
msr_t msr = { 0xffffffff, 0xffffffff };
if (lseek(fd_msr, (off_t) addr, SEEK_SET) == -1) {
@@ -501,7 +495,7 @@ msr_t rdmsr(int addr)
if (read(fd_msr, buf, 8) == 8) {
msr.lo = *(uint32_t *)buf;
- msr.hi = *(uint32_t *)(buf+4);
+ msr.hi = *(uint32_t *)(buf + 4);
return msr;
}
@@ -524,7 +518,6 @@ int print_intel_core_msrs(void)
unsigned int i, core;
msr_t msr;
-
#define IA32_PLATFORM_ID 0x0017
#define EBL_CR_POWERON 0x002a
#define FSB_CLK_STS 0x00cd
@@ -610,8 +603,8 @@ int print_intel_core_msrs(void)
//{ 0x00c000080, "IA32_CR_EFER" }, // Seems to be RO
};
- fd_msr = open("/dev/cpu/0/msr", O_RDWR);
- if (fd_msr<0) {
+ fd_msr = open("/dev/cpu/0/msr", O_RDWR);
+ if (fd_msr < 0) {
perror("Error while opening /dev/cpu/0/msr");
printf("Did you run 'modprobe msr'?\n");
return -1;
@@ -622,38 +615,39 @@ int print_intel_core_msrs(void)
for (i = 0; i < ARRAY_SIZE(global_msrs); i++) {
msr = rdmsr(global_msrs[i].number);
printf(" MSR 0x%08X = 0x%08X:0x%08X (%s)\n",
- global_msrs[i].number, msr.hi, msr.lo, global_msrs[i].name);
+ global_msrs[i].number, msr.hi, msr.lo,
+ global_msrs[i].name);
}
-
close(fd_msr);
-
- for (core=0; core < 8; core++) {
+
+ for (core = 0; core < 8; core++) {
char msrfilename[64];
memset(msrfilename, 0, 64);
sprintf(msrfilename, "/dev/cpu/%d/msr", core);
fd_msr = open(msrfilename, O_RDWR);
- if (fd_msr<0) {
- /* If the file is not there, we're probably through.
- * No error, since we successfully opened /dev/cpu/0/msr before
- */
+
+ /* If the file is not there, we're probably through. No error,
+ * since we successfully opened /dev/cpu/0/msr before.
+ */
+ if (fd_msr < 0)
break;
- }
printf("\n====================== UNIQUE MSRs (core %d) ======================\n", core);
for (i = 0; i < ARRAY_SIZE(per_core_msrs); i++) {
msr = rdmsr(per_core_msrs[i].number);
printf(" MSR 0x%08X = 0x%08X:0x%08X (%s)\n",
- per_core_msrs[i].number, msr.hi, msr.lo, per_core_msrs[i].name);
+ per_core_msrs[i].number, msr.hi, msr.lo,
+ per_core_msrs[i].name);
}
close(fd_msr);
}
if (msr_readerror)
- printf("\n(*) Some MSRs could not be read. The marked values are unreliable.\n");
+ printf("\n(*) Some MSRs could not be read. The marked values are unreliable.\n");
return 0;
}
@@ -689,7 +683,7 @@ void print_usage(const char *name)
" -P | --pciexpress: dump northbridge PCIEXBAR registers\n\n"
" -M | --msrs: dump CPU MSRs\n"
" -a | --all: dump all known registers\n"
- "\n");
+ "\n");
exit(1);
}
@@ -697,15 +691,13 @@ int main(int argc, char *argv[])
{
struct pci_access *pacc;
struct pci_dev *sb, *nb;
- int opt;
- int option_index = 0;
- int i;
+ int i, opt, option_index = 0;
- char *sbname="unknown", *nbname="unknown";
+ char *sbname = "unknown", *nbname = "unknown";
- int dump_gpios=0, dump_mchbar=0, dump_rcba=0;
- int dump_pmbase=0, dump_epbar=0, dump_dmibar=0;
- int dump_pciexbar=0, dump_coremsrs=0;
+ int dump_gpios = 0, dump_mchbar = 0, dump_rcba = 0;
+ int dump_pmbase = 0, dump_epbar = 0, dump_dmibar = 0;
+ int dump_pciexbar = 0, dump_coremsrs = 0;
static struct option long_options[] = {
{"version", 0, 0, 'v'},
@@ -723,7 +715,7 @@ int main(int argc, char *argv[])
};
while ((opt = getopt_long(argc, argv, "vh?grpmedPMa",
- long_options, &option_index)) != EOF) {
+ long_options, &option_index)) != EOF) {
switch (opt) {
case 'v':
print_version();
@@ -772,7 +764,10 @@ int main(int argc, char *argv[])
}
}
- if (iopl(3)) { printf("You need to be root.\n"); exit(1); }
+ if (iopl(3)) {
+ printf("You need to be root.\n");
+ exit(1);
+ }
if ((fd_mem = open("/dev/mem", O_RDWR)) < 0) {
perror("Can not open /dev/mem");
@@ -783,7 +778,6 @@ int main(int argc, char *argv[])
pci_init(pacc);
pci_scan_bus(pacc);
-
/* Find the required devices */
sb = pci_get_dev(pacc, 0, 0, 0x1f, 0);
@@ -815,10 +809,10 @@ int main(int argc, char *argv[])
/* TODO check cpuid, too */
/* Determine names */
- for (i=0; i<ARRAY_SIZE(supported_chips_list); i++)
+ for (i = 0; i < ARRAY_SIZE(supported_chips_list); i++)
if (nb->device_id == supported_chips_list[i].device_id)
nbname = supported_chips_list[i].name;
- for (i=0; i<ARRAY_SIZE(supported_chips_list); i++)
+ for (i = 0; i < ARRAY_SIZE(supported_chips_list); i++)
if (sb->device_id == supported_chips_list[i].device_id)
sbname = supported_chips_list[i].name;
@@ -870,9 +864,7 @@ int main(int argc, char *argv[])
printf("\n\n");
}
-
/* Clean up */
-
pci_free_dev(nb);
pci_free_dev(sb);
pci_cleanup(pacc);