diff options
Diffstat (limited to 'util/inteltool/inteltool.c')
| -rw-r--r-- | util/inteltool/inteltool.c | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/util/inteltool/inteltool.c b/util/inteltool/inteltool.c index ac30fdd242..24d62e1208 100644 --- a/util/inteltool/inteltool.c +++ b/util/inteltool/inteltool.c @@ -24,6 +24,7 @@ #include <fcntl.h> #include <sys/mman.h> #include <unistd.h> +#include <errno.h> #include "inteltool.h" #include "pcr.h" @@ -31,6 +32,12 @@ #include <machine/sysarch.h> #endif +#define MAX_PCR_PORTS 8 /* how often may `--pcr` be specified */ + +enum long_only_opts { + LONG_OPT_PCR = 0x100, +}; + /* * http://pci-ids.ucw.cz/read/PC/8086 * http://en.wikipedia.org/wiki/Intel_Tick-Tock @@ -369,7 +376,9 @@ void print_usage(const char *name) " -A | --ambs: dump AMB registers\n" " -x | --sgx: dump SGX status\n" " -a | --all: dump all known (safe) registers\n" - "\n"); + " --pcr=PORT_ID: dump all registers of a PCR port\n" + " (may be specified max %d times)\n" + "\n", MAX_PCR_PORTS); exit(1); } @@ -388,6 +397,8 @@ int main(int argc, char *argv[]) int dump_pciexbar = 0, dump_coremsrs = 0, dump_ambs = 0; int dump_spi = 0, dump_gfx = 0, dump_ahci = 0, dump_sgx = 0; int show_gpio_diffs = 0; + size_t pcr_count = 0; + uint8_t dump_pcr[MAX_PCR_PORTS]; static struct option long_options[] = { {"version", 0, 0, 'v'}, @@ -408,6 +419,7 @@ int main(int argc, char *argv[]) {"gfx", 0, 0, 'f'}, {"ahci", 0, 0, 'R'}, {"sgx", 0, 0, 'x'}, + {"pcr", required_argument, 0, LONG_OPT_PCR}, {0, 0, 0, 0} }; @@ -479,6 +491,21 @@ int main(int argc, char *argv[]) case 'x': dump_sgx = 1; break; + case LONG_OPT_PCR: + if (pcr_count < MAX_PCR_PORTS) { + errno = 0; + const unsigned long int pcr = + strtoul(optarg, NULL, 0); + if (strlen(optarg) == 0 || errno) { + print_usage(argv[0]); + exit(1); + } + dump_pcr[pcr_count++] = (uint8_t)pcr; + } else { + print_usage(argv[0]); + exit(1); + } + break; case 'h': case '?': default: @@ -685,6 +712,9 @@ int main(int argc, char *argv[]) if (dump_sgx) print_sgx(); + if (pcr_count) + print_pcr_ports(sb, dump_pcr, pcr_count); + /* Clean up */ pcr_cleanup(); if (ahci) |