diff options
Diffstat (limited to 'util/inteltool/pcr.c')
| -rw-r--r-- | util/inteltool/pcr.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/util/inteltool/pcr.c b/util/inteltool/pcr.c index 0310e2eba1..7223e19fff 100644 --- a/util/inteltool/pcr.c +++ b/util/inteltool/pcr.c @@ -29,6 +29,43 @@ uint32_t read_pcr32(const uint8_t port, const uint16_t offset) return *(const uint32_t *)(sbbar + (port << 16) + offset); } +static void print_pcr_port(const uint8_t port) +{ + size_t i = 0; + uint32_t last_reg = 0; + bool last_printed = true; + + printf("PCR port offset: 0x%06zx\n\n", (size_t)port << 16); + + for (i = 0; i < PCR_PORT_SIZE; i += 4) { + const uint32_t reg = read_pcr32(port, i); + const bool rep = i && last_reg == reg; + if (!rep) { + if (!last_printed) + printf("*\n"); + printf("0x%04zx: 0x%08"PRIx32"\n", i, reg); + } + + last_reg = reg; + last_printed = !rep; + } + if (!last_printed) + printf("*\n"); +} + +void print_pcr_ports(struct pci_dev *const sb, + const uint8_t *const ports, const size_t count) +{ + size_t i; + + pcr_init(sb); + + for (i = 0; i < count; ++i) { + printf("\n========== PCR 0x%02x ==========\n\n", ports[i]); + print_pcr_port(ports[i]); + } +} + void pcr_init(struct pci_dev *const sb) { bool error_exit = false; |