coreboot-kgpe-d16/util/inteltool/pcr.c

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/* inteltool - dump all registers on an Intel CPU + chipset based system */
util/: Replace GPLv2 boiler plate with SPDX header Used commands: perl -i -p0e 's|\/\*[\s*]*.*is free software[:;][\s*]*you[\s*]*can[\s*]*redistribute[\s*]*it[\s*]*and\/or[\s*]*modify[\s*]*it[\s*]*under[\s*]*the[\s*]*terms[\s*]*of[\s*]*the[\s*]*GNU[\s*]*General[\s*]*Public[\s*]*License[\s*]*as[\s*]*published[\s*]*by[\s*]*the[\s*]*Free[\s*]*Software[\s*]*Foundation[;,][\s*]*version[\s*]*2[\s*]*of[\s*]*the[\s*]*License.[\s*]*This[\s*]*program[\s*]*is[\s*]*distributed[\s*]*in[\s*]*the[\s*]*hope[\s*]*that[\s*]*it[\s*]*will[\s*]*be[\s*]*useful,[\s*]*but[\s*]*WITHOUT[\s*]*ANY[\s*]*WARRANTY;[\s*]*without[\s*]*even[\s*]*the[\s*]*implied[\s*]*warranty[\s*]*of[\s*]*MERCHANTABILITY[\s*]*or[\s*]*FITNESS[\s*]*FOR[\s*]*A[\s*]*PARTICULAR[\s*]*PURPOSE.[\s*]*See[\s*]*the[\s*]*GNU[\s*]*General[\s*]*Public[\s*]*License[\s*]*for[\s*]*more[\s*]*details.[\s*]*\*\/|/* SPDX-License-Identifier: GPL-2.0-only */|' $(cat filelist) perl -i -p0e 's|This[\s*]*program[\s*]*is[\s*]*free[\s*]*software[:;][\s*]*you[\s*]*can[\s*]*redistribute[\s*]*it[\s*]*and/or[\s*]*modify[\s*]*it[\s*]*under[\s*]*the[\s*]*terms[\s*]*of[\s*]*the[\s*]*GNU[\s*]*General[\s*]*Public[\s*]*License[\s*]*as[\s*]*published[\s*]*by[\s*]*the[\s*]*Free[\s*]*Software[\s*]*Foundation[;,][\s*]*either[\s*]*version[\s*]*2[\s*]*of[\s*]*the[\s*]*License,[\s*]*or[\s*]*.at[\s*]*your[\s*]*option.*[\s*]*any[\s*]*later[\s*]*version.[\s*]*This[\s*]*program[\s*]*is[\s*]*distributed[\s*]*in[\s*]*the[\s*]*hope[\s*]*that[\s*]*it[\s*]*will[\s*]*be[\s*]*useful,[\s*]*but[\s*]*WITHOUT[\s*]*ANY[\s*]*WARRANTY;[\s*]*without[\s*]*even[\s*]*the[\s*]*implied[\s*]*warranty[\s*]*of[\s*]*MERCHANTABILITY[\s*]*or[\s*]*FITNESS[\s*]*FOR[\s*]*A[\s*]*PARTICULAR[\s*]*PURPOSE.[\s*]*See[\s*]*the[\s*]*GNU[\s*]*General[\s*]*Public[\s*]*License[\s*]*for[\s*]*more[\s*]*details.[\s*]*\*\/|/* SPDX-License-Identifier: GPL-2.0-or-later */|' $(cat filelist) perl -i -p0e 's|\/\*[\s*]*.*This[\s*#]*program[\s*#]*is[\s*#]*free[\s*#]*software[;:,][\s*#]*you[\s*#]*can[\s*#]*redistribute[\s*#]*it[\s*#]*and/or[\s*#]*modify[\s*#]*it[\s*#]*under[\s*#]*the[\s*#]*terms[\s*#]*of[\s*#]*the[\s*#]*GNU[\s*#]*General[\s*#]*Public[\s*#]*License[\s*#]*as[\s*#]*published[\s*#]*by[\s*#]*the[\s*#]*Free[\s*#]*Software[\s*#]*Foundation[;:,][\s*#]*either[\s*#]*version[\s*#]*3[\s*#]*of[\s*#]*the[\s*#]*License[;:,][\s*#]*or[\s*#]*.at[\s*#]*your[\s*#]*option.*[\s*#]*any[\s*#]*later[\s*#]*version.[\s*#]*This[\s*#]*program[\s*#]*is[\s*#]*distributed[\s*#]*in[\s*#]*the[\s*#]*hope[\s*#]*that[\s*#]*it[\s*#]*will[\s*#]*be[\s*#]*useful[;:,][\s*#]*but[\s*#]*WITHOUT[\s*#]*ANY[\s*#]*WARRANTY[;:,][\s*#]*without[\s*#]*even[\s*#]*the[\s*#]*implied[\s*#]*warranty[\s*#]*of[\s*#]*MERCHANTABILITY[\s*#]*or[\s*#]*FITNESS[\s*#]*FOR[\s*#]*A[\s*#]*PARTICULAR[\s*#]*PURPOSE.[\s*#]*See[\s*#]*the[\s*#]*GNU[\s*#]*General[\s*#]*Public[\s*#]*License[\s*#]*for[\s*#]*more[\s*#]*details.[\s*]*\*\/|/* SPDX-License-Identifier: GPL-3.0-or-later */|' $(cat filelist) perl -i -p0e 's|(\#\#*)[\w]*.*is free software[:;][\#\s]*you[\#\s]*can[\#\s]*redistribute[\#\s]*it[\#\s]*and\/or[\#\s]*modify[\#\s]*it[\s\#]*under[\s \#]*the[\s\#]*terms[\s\#]*of[\s\#]*the[\s\#]*GNU[\s\#]*General[\s\#]*Public[\s\#]*License[\s\#]*as[\s\#]*published[\s\#]*by[\s\#]*the[\s\#]*Free[\s\#]*Software[\s\#]*Foundation[;,][\s\#]*version[\s\#]*2[\s\#]*of[\s\#]*the[\s\#]*License.*[\s\#]*This[\s\#]*program[\s\#]*is[\s\#]*distributed[\s\#]*in[\s\#]*the[\s\#]*hope[\s\#]*that[\s\#]*it[\s\#]*will[\#\s]*be[\#\s]*useful,[\#\s]*but[\#\s]*WITHOUT[\#\s]*ANY[\#\s]*WARRANTY;[\#\s]*without[\#\s]*even[\#\s]*the[\#\s]*implied[\#\s]*warranty[\#\s]*of[\#\s]*MERCHANTABILITY[\#\s]*or[\#\s]*FITNESS[\#\s]*FOR[\#\s]*A[\#\s]*PARTICULAR[\#\s]*PURPOSE.[\#\s]*See[\#\s]*the[\#\s]*GNU[\#\s]*General[\#\s]*Public[\#\s]*License[\#\s]*for[\#\s]*more[\#\s]*details.\s(#* *\n)*|\1 SPDX-License-Identifier: GPL-2.0-only\n\n|' $(cat filelist) perl -i -p0e 's|(\#\#*)[\w*]*.*is free software[:;][\s*]*you[\s*]*can[\s*]*redistribute[\s*]*it[\s*]*and\/or[\s*]*modify[\s*]*it[\s*]*under[\s*]*the[\s*]*terms[\s*]*of[\s*]*the[\s*]*GNU[\s*]*General[\s*]*Public[\s*]*License[\s*]*as[\s*]*published[\s*]*by[\s*]*the[\s*]*Free[\s*]*Software[\s*]*Foundation[;,][\s*]*version[\s*]*2[\s*]*of[\s*]*the[\s*]*License.[\s*]*This[\s*]*program[\s*]*is[\s*]*distributed[\s*]*in[\s*]*the[\s*]*hope[\s*]*that[\s*]*it[\s*]*will[\s*]*be[\s*]*useful,[\s*]*but[\s*]*WITHOUT[\s*]*ANY[\s*]*WARRANTY;[\s*]*without[\s*]*even[\s*]*the[\s*]*implied[\s*]*warranty[\s*]*of[\s*]*MERCHANTABILITY[\s*]*or[\s*]*FITNESS[\s*]*FOR[\s*]*A[\s*]*PARTICULAR[\s*]*PURPOSE.[\s*]*See[\s*]*the[\s*]*GNU[\s*]*General[\s*]*Public[\s*]*License[\s*]*for[\s*]*more[\s*]*details.\s(#* *\n)*|\1 SPDX-License-Identifier: GPL-2.0-only\n\n|' $(cat filelist) Change-Id: I1008a63b804f355a916221ac994701d7584f60ff Signed-off-by: Patrick Georgi <pgeorgi@google.com> Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr> Reviewed-on: https://review.coreboot.org/c/coreboot/+/41177 Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2020-05-08 20:48:04 +02:00
/* SPDX-License-Identifier: GPL-2.0-only */
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <stdbool.h>
#include <inttypes.h>
#include <assert.h>
#include "pcr.h"
const uint8_t *sbbar = NULL;
uint32_t read_pcr32(const uint8_t port, const uint16_t offset)
{
assert(sbbar);
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;
bool p2sb_revealed = false;
struct pci_dev *p2sb;
bool use_p2sb = true;
pciaddr_t sbbar_phys;
if (sbbar)
return;
switch (sb->device_id) {
case PCI_DEVICE_ID_INTEL_SUNRISEPOINT_PRE:
case PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_PRE:
case PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_U_BASE_SKL:
case PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_Y_PREM_SKL:
case PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_U_PREM_SKL:
case PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_U_BASE_KBL:
case PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_U_PREM_KBL:
case PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_Y_PREM_KBL:
case PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_U_IHDCP_BASE:
case PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_U_IHDCP_PREM:
case PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_Y_IHDCP_PREM:
case PCI_DEVICE_ID_INTEL_H110:
case PCI_DEVICE_ID_INTEL_H170:
case PCI_DEVICE_ID_INTEL_Z170:
case PCI_DEVICE_ID_INTEL_Q170:
case PCI_DEVICE_ID_INTEL_Q150:
case PCI_DEVICE_ID_INTEL_B150:
case PCI_DEVICE_ID_INTEL_C236:
case PCI_DEVICE_ID_INTEL_C232:
case PCI_DEVICE_ID_INTEL_QM170:
case PCI_DEVICE_ID_INTEL_HM170:
case PCI_DEVICE_ID_INTEL_CM236:
case PCI_DEVICE_ID_INTEL_HM175:
case PCI_DEVICE_ID_INTEL_QM175:
case PCI_DEVICE_ID_INTEL_CM238:
case PCI_DEVICE_ID_INTEL_H270:
case PCI_DEVICE_ID_INTEL_Z270:
case PCI_DEVICE_ID_INTEL_Q270:
case PCI_DEVICE_ID_INTEL_Q250:
case PCI_DEVICE_ID_INTEL_B250:
case PCI_DEVICE_ID_INTEL_Z370:
case PCI_DEVICE_ID_INTEL_H310C:
case PCI_DEVICE_ID_INTEL_X299:
case PCI_DEVICE_ID_INTEL_C621:
case PCI_DEVICE_ID_INTEL_C621A:
case PCI_DEVICE_ID_INTEL_C622:
case PCI_DEVICE_ID_INTEL_C624:
case PCI_DEVICE_ID_INTEL_C625:
case PCI_DEVICE_ID_INTEL_C626:
case PCI_DEVICE_ID_INTEL_C627:
case PCI_DEVICE_ID_INTEL_C628:
case PCI_DEVICE_ID_INTEL_C629:
case PCI_DEVICE_ID_INTEL_C624_SUPER:
case PCI_DEVICE_ID_INTEL_C627_SUPER_1:
case PCI_DEVICE_ID_INTEL_C621_SUPER:
case PCI_DEVICE_ID_INTEL_C627_SUPER_2:
case PCI_DEVICE_ID_INTEL_C628_SUPER:
case PCI_DEVICE_ID_INTEL_DNV_LPC:
p2sb = pci_get_dev(sb->access, 0, 0, 0x1f, 1);
break;
case PCI_DEVICE_ID_INTEL_APL_LPC:
case PCI_DEVICE_ID_INTEL_GLK_LPC:
p2sb = pci_get_dev(sb->access, 0, 0, 0x0d, 0);
break;
case PCI_DEVICE_ID_INTEL_H310:
case PCI_DEVICE_ID_INTEL_H370:
case PCI_DEVICE_ID_INTEL_Z390:
case PCI_DEVICE_ID_INTEL_Q370:
case PCI_DEVICE_ID_INTEL_B360:
case PCI_DEVICE_ID_INTEL_C246:
case PCI_DEVICE_ID_INTEL_C242:
case PCI_DEVICE_ID_INTEL_QM370:
case PCI_DEVICE_ID_INTEL_HM370:
case PCI_DEVICE_ID_INTEL_CM246:
case PCI_DEVICE_ID_INTEL_Q570:
case PCI_DEVICE_ID_INTEL_Z590:
case PCI_DEVICE_ID_INTEL_H570:
case PCI_DEVICE_ID_INTEL_B560:
case PCI_DEVICE_ID_INTEL_H510:
case PCI_DEVICE_ID_INTEL_WM590:
case PCI_DEVICE_ID_INTEL_QM580:
case PCI_DEVICE_ID_INTEL_HM570:
case PCI_DEVICE_ID_INTEL_C252:
case PCI_DEVICE_ID_INTEL_C256:
case PCI_DEVICE_ID_INTEL_W580:
case PCI_DEVICE_ID_INTEL_CANNONPOINT_LP_U_PREM:
case PCI_DEVICE_ID_INTEL_COMETPOINT_LP_U_PREM:
case PCI_DEVICE_ID_INTEL_COMETPOINT_LP_U_BASE:
case PCI_DEVICE_ID_INTEL_ICELAKE_LP_U:
case PCI_DEVICE_ID_INTEL_TIGERPOINT_U_SUPER:
case PCI_DEVICE_ID_INTEL_TIGERPOINT_U_PREM:
case PCI_DEVICE_ID_INTEL_TIGERPOINT_U_BASE:
case PCI_DEVICE_ID_INTEL_TIGERPOINT_Y_SUPER:
case PCI_DEVICE_ID_INTEL_TIGERPOINT_Y_PREM:
case PCI_DEVICE_ID_INTEL_ADL_P:
case PCI_DEVICE_ID_INTEL_ADL_M:
case PCI_DEVICE_ID_INTEL_RPL_P:
case PCI_DEVICE_ID_INTEL_EHL:
case PCI_DEVICE_ID_INTEL_JSL:
case PCI_DEVICE_ID_INTEL_EBG:
sbbar_phys = 0xfd000000;
use_p2sb = false;
break;
case PCI_DEVICE_ID_INTEL_H610E:
case PCI_DEVICE_ID_INTEL_Q670E:
case PCI_DEVICE_ID_INTEL_R680E:
case PCI_DEVICE_ID_INTEL_H610:
case PCI_DEVICE_ID_INTEL_B660:
case PCI_DEVICE_ID_INTEL_H670:
case PCI_DEVICE_ID_INTEL_Q670:
case PCI_DEVICE_ID_INTEL_Z690:
case PCI_DEVICE_ID_INTEL_W680:
case PCI_DEVICE_ID_INTEL_W685:
case PCI_DEVICE_ID_INTEL_WM690:
case PCI_DEVICE_ID_INTEL_HM670:
case PCI_DEVICE_ID_INTEL_WM790:
case PCI_DEVICE_ID_INTEL_HM770:
sbbar_phys = 0xe0000000;
use_p2sb = false;
break;
default:
perror("Unknown LPC device.");
exit(1);
}
if (use_p2sb) {
if (!p2sb) {
perror("Can't allocate device node for P2SB.");
exit(1);
}
/* do not fill bases here, libpci refuses to refill later */
pci_fill_info(p2sb, PCI_FILL_IDENT);
if (p2sb->vendor_id == 0xffff && p2sb->device_id == 0xffff) {
printf("Trying to reveal Primary to Sideband Bridge "
"(P2SB),\nlet's hope the OS doesn't mind... ");
/* Do not use pci_write_long(). Bytes
surrounding 0xe0 must be maintained. */
pci_write_byte(p2sb, 0xe0 + 1, 0);
pci_fill_info(p2sb, PCI_FILL_IDENT | PCI_FILL_RESCAN);
if (p2sb->vendor_id != 0xffff ||
p2sb->device_id != 0xffff) {
printf("done.\n");
p2sb_revealed = true;
} else {
printf("failed.\n");
exit(1);
}
}
pci_fill_info(p2sb, PCI_FILL_BASES | PCI_FILL_CLASS);
sbbar_phys = p2sb->base_addr[0] & ~0xfULL;
}
printf("SBREG_BAR = 0x%08"PRIx64" (MEM)\n\n", (uint64_t)sbbar_phys);
sbbar = map_physical(sbbar_phys, SBBAR_SIZE);
if (sbbar == NULL) {
perror("Error mapping SBREG_BAR");
error_exit = true;
}
if (use_p2sb) {
if (p2sb_revealed) {
printf("Hiding Primary to Sideband Bridge (P2SB).\n");
pci_write_byte(p2sb, 0xe0 + 1, 1);
}
pci_free_dev(p2sb);
}
if (error_exit)
exit(1);
}
void pcr_cleanup(void)
{
if (sbbar)
unmap_physical((void *)sbbar, SBBAR_SIZE);
}