security/vboot: relocate and rename vboot_platform_is_resuming()

After measured boot is decoupled from verified boot in CB:35077,
vboot_platform_is_resuming() is never vboot-specific, thus it is
renamed to platform_is_resuming() and declared in bootmode.h.

Change-Id: I29b5b88af0576c34c10cfbd99659a5cdc0c75842
Signed-off-by: Bill XIE <persmule@hardenedlinux.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/39103
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>

src/include/bootmode.h

@@ -29,4 +29,10 @@ int display_init_required(void);
 int gfx_get_init_done(void);
 void gfx_set_init_done(int done);
 
+/*
+ * Determine if the platform is resuming from suspend. Returns 0 when
+ * not resuming, > 0 if resuming, and < 0 on error.
+ */
+int platform_is_resuming(void);
+
 #endif /* __BOOTMODE_H__ */

src/security/vboot/vboot_common.h

@@ -48,12 +48,6 @@ int vboot_save_hash(void *digest, size_t digest_size);
  */
 int vboot_retrieve_hash(void *digest, size_t digest_size);
 
-/*
- * Determine if the platform is resuming from suspend. Returns 0 when
- * not resuming, > 0 if resuming, and < 0 on error.
- */
-int vboot_platform_is_resuming(void);
-
 /* ============================= VERSTAGE ================================== */
 /*
  * Main logic for verified boot. verstage_main() is just the core vboot logic.

src/security/vboot/vboot_logic.c

@@ -113,7 +113,7 @@ static int handle_digest_result(void *slot_hash, size_t slot_hash_sz)
 	if (!CONFIG(VBOOT_STARTS_IN_BOOTBLOCK))
 		return 0;
 
-	is_resume = vboot_platform_is_resuming();
+	is_resume = platform_is_resuming();
 
 	if (is_resume > 0) {
 		uint8_t saved_hash[VBOOT_MAX_HASH_SIZE];
@@ -272,7 +272,7 @@ void verstage_main(void)
 	 * does verification of memory init and thus must ensure it resumes with
 	 * the same slot that it booted from. */
 	if (CONFIG(RESUME_PATH_SAME_AS_BOOT) &&
-		vboot_platform_is_resuming())
+		platform_is_resuming())
 		ctx->flags |= VB2_CONTEXT_S3_RESUME;
 
 	/* Read secdata from TPM. Initialize TPM if secdata not found. We don't

src/soc/amd/common/block/acpi/acpi.c

@@ -12,15 +12,17 @@
  * GNU General Public License for more details.
  */
 
-#include <arch/acpi.h>
-#include <cbmem.h>
-#include <elog.h>
-#include <console/console.h>
-#include <soc/southbridge.h>
 #include <amdblocks/acpimmio.h>
 #include <amdblocks/acpi.h>
+#include <arch/acpi.h>
+#include <bootmode.h>
+#include <cbmem.h>
+#include <console/console.h>
+#include <elog.h>
 #include <halt.h>
 #include <security/vboot/vboot_common.h>
+#include <soc/southbridge.h>
+#include <halt.h>
 
 void poweroff(void)
 {
@@ -136,7 +138,7 @@ int acpi_get_sleep_type(void)
 	return acpi_sleep_from_pm1(acpi_read16(MMIO_ACPI_PM1_CNT_BLK));
 }
 
-int vboot_platform_is_resuming(void)
+int platform_is_resuming(void)
 {
 	if (!(acpi_read16(MMIO_ACPI_PM1_STS) & WAK_STS))
 		return 0;

src/soc/intel/baytrail/pmutil.c

@@ -15,6 +15,7 @@
 #include <stdint.h>
 #include <arch/acpi.h>
 #include <arch/io.h>
+#include <bootmode.h>
 #include <device/device.h>
 #include <device/mmio.h>
 #include <device/pci.h>
@@ -27,7 +28,6 @@
 #include <soc/pci_devs.h>
 #include <soc/pmc.h>
 #include <security/vboot/vbnv.h>
-#include <security/vboot/vboot_common.h>
 
 #if defined(__SIMPLE_DEVICE__)
 
@@ -387,7 +387,7 @@ int vbnv_cmos_failed(void)
 	return rtc_failure();
 }
 
-int vboot_platform_is_resuming(void)
+int platform_is_resuming(void)
 {
 	if (!(inw(ACPI_BASE_ADDRESS + PM1_STS) & WAK_STS))
 		return 0;

src/soc/intel/braswell/pmutil.c

@@ -15,6 +15,7 @@
 #include <arch/acpi.h>
 #include <arch/io.h>
 #include <assert.h>
+#include <bootmode.h>
 #include <device/device.h>
 #include <device/mmio.h>
 #include <device/pci.h>
@@ -26,7 +27,6 @@
 #include <soc/pm.h>
 #include <stdint.h>
 #include <security/vboot/vbnv.h>
-#include <security/vboot/vboot_common.h>
 
 #if defined(__SIMPLE_DEVICE__)
 
@@ -380,7 +380,7 @@ int vbnv_cmos_failed(void)
 	return rtc_failure();
 }
 
-int vboot_platform_is_resuming(void)
+int platform_is_resuming(void)
 {
 	if (!(inw(ACPI_BASE_ADDRESS + PM1_STS) & WAK_STS))
 		return 0;

src/soc/intel/broadwell/pmutil.c

@@ -19,6 +19,7 @@
 
 #include <arch/acpi.h>
 #include <arch/io.h>
+#include <bootmode.h>
 #include <device/pci_ops.h>
 #include <device/device.h>
 #include <device/pci.h>
@@ -30,7 +31,6 @@
 #include <soc/pm.h>
 #include <soc/gpio.h>
 #include <security/vboot/vbnv.h>
-#include <security/vboot/vboot_common.h>
 
 /* Print status bits with descriptive names */
 static void print_status_bits(u32 status, const char *bit_names[])
@@ -450,7 +450,7 @@ int acpi_sci_irq(void)
 	return sci_irq;
 }
 
-int vboot_platform_is_resuming(void)
+int platform_is_resuming(void)
 {
 	if (!(inw(ACPI_BASE_ADDRESS + PM1_STS) & WAK_STS))
 		return 0;

src/soc/intel/common/block/pmc/pmclib.c

@@ -13,6 +13,7 @@
  */
 
 #include <arch/io.h>
+#include <bootmode.h>
 #include <device/mmio.h>
 #include <cbmem.h>
 #include <console/console.h>
@@ -21,11 +22,12 @@
 #include <intelblocks/gpio.h>
 #include <intelblocks/tco.h>
 #include <option.h>
+#include <pc80/mc146818rtc.h>
+#include <security/vboot/vboot_common.h>
 #include <soc/pm.h>
 #include <stdint.h>
 #include <string.h>
 #include <timer.h>
-#include <security/vboot/vboot_common.h>
 
 static struct chipset_power_state power_state;
 
@@ -440,7 +442,7 @@ void pmc_global_reset_enable(bool enable)
 }
 #endif // CONFIG_PMC_GLOBAL_RESET_ENABLE_LOCK
 
-int vboot_platform_is_resuming(void)
+int platform_is_resuming(void)
 {
 	if (!(inw(ACPI_BASE_ADDRESS + PM1_STS) & WAK_STS))
 		return 0;

src/southbridge/intel/common/pmbase.c

@@ -15,11 +15,11 @@
 #include <stdint.h>
 #include <arch/acpi.h>
 #include <arch/io.h>
+#include <bootmode.h>
 #include <device/pci_ops.h>
 #include <device/device.h>
 #include <device/pci.h>
 #include <assert.h>
-#include <security/vboot/vboot_common.h>
 
 #include "pmbase.h"
 #include "pmutil.h"
@@ -94,7 +94,7 @@ u8 read_pmbase8(const u8 addr)
 	return inb(lpc_get_pmbase() + addr);
 }
 
-int vboot_platform_is_resuming(void)
+int platform_is_resuming(void)
 {
 	u16 reg16 = read_pmbase16(PM1_STS);
 

src/vendorcode/eltan/security/verified_boot/vboot_check.c

@@ -14,6 +14,7 @@
 
 #include <boot_device.h>
 #include <bootmem.h>
+#include <bootmode.h>
 #include <cbfs.h>
 #include <vboot_check.h>
 #include <vboot_common.h>
@@ -290,7 +291,7 @@ void verified_boot_early_check(void)
 
 	if (CONFIG(VENDORCODE_ELTAN_MBOOT)) {
 		printk(BIOS_DEBUG, "mb_measure returned 0x%x\n",
-		mb_measure(vboot_platform_is_resuming()));
+		mb_measure(platform_is_resuming()));
 	}
 
 	printk(BIOS_SPEW, "%s: process early verify list\n", __func__);