security/intel: Use write{64,32,16,8}p and read{64,32,16,8}p

Change-Id: I4bdfcd0cc0e2d9b5f884ea7275659c12488715e0
Signed-off-by: Elyes Haouas <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/80194
Reviewed-by: Eric Lai <ericllai@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>

5 files changed, 57 insertions, 57 deletions

diff --git a/src/security/intel/txt/common.c b/src/security/intel/txt/common.c
index b78394add2c8..6fba95850a8a 100644
--- a/src/security/intel/txt/common.c
+++ b/src/security/intel/txt/common.c
@@ -100,7 +100,7 @@ int intel_txt_log_acm_error(const uint32_t acm_error)
 
 void intel_txt_log_spad(void)
 {
-	const uint64_t acm_status = read64((void *)TXT_SPAD);
+	const uint64_t acm_status = read64p(TXT_SPAD);
 
 	printk(BIOS_INFO, "TXT-STS: ACM verification ");
 
@@ -138,8 +138,8 @@ bool intel_txt_memory_has_secrets(void)
 	if (!CONFIG(INTEL_TXT))
 		return false;
 
-	ret = (read8((void *)TXT_ESTS) & TXT_ESTS_WAKE_ERROR_STS) ||
-	      (read64((void *)TXT_E2STS) & TXT_E2STS_SECRET_STS);
+	ret = (read8p(TXT_ESTS) & TXT_ESTS_WAKE_ERROR_STS) ||
+	      (read64p(TXT_E2STS) & TXT_E2STS_SECRET_STS);
 
 	if (ret)
 		printk(BIOS_CRIT, "TXT-STS: Secrets in memory!\n");
@@ -154,10 +154,10 @@ bool intel_txt_chipset_is_production_fused(void)
 	 * Chapter B.1.7 and B.1.9
 	 * Intel TXT Software Development Guide (Document: 315168-015)
 	 */
-	uint32_t reg = read32((void *)TXT_VER_FSBIF);
+	uint32_t reg = read32p(TXT_VER_FSBIF);
 
 	if (reg == 0 || reg == UINT32_MAX)
-		reg = read32((void *)TXT_VER_QPIIF);
+		reg = read32p(TXT_VER_QPIIF);
 
 	return (reg & TXT_VER_PRODUCTION_FUSED) ? true : false;
 }
@@ -320,11 +320,11 @@ void intel_txt_run_sclean(void)
 		return;
 
 	/* FIXME: Do we need to program these two? */
-	//write32((void *)MCU_BASE_ADDR, 0xffe1a990);
-	//write32((void *)APINIT_ADDR, 0xfffffff0);
+	//write32p(MCU_BASE_ADDR, 0xffe1a990);
+	//write32p(APINIT_ADDR, 0xfffffff0);
 
-	write32((void *)BIOACM_ADDR, (uintptr_t)acm_data);
-	write32((void *)SEMAPHORE, 0);
+	write32p(BIOACM_ADDR, (uintptr_t)acm_data);
+	write32p(SEMAPHORE, 0);
 
 	/*
 	 * The time SCLEAN will take depends on the installed RAM size.
@@ -364,14 +364,14 @@ int intel_txt_run_bios_acm(const u8 input_params)
 
 	cbfs_unmap(acm_data);
 
-	const uint64_t acm_status = read64((void *)TXT_SPAD);
+	const uint64_t acm_status = read64p(TXT_SPAD);
 	if (acm_status & ACMERROR_TXT_VALID) {
 		printk(BIOS_ERR, "TEE-TXT: FATAL ACM launch error !\n");
 		/*
 		 * WARNING !
 		 * To clear TXT.BIOSACM.ERRORCODE you must issue a cold reboot!
 		 */
-		intel_txt_log_acm_error(read32((void *)TXT_BIOSACM_ERRORCODE));
+		intel_txt_log_acm_error(read32p(TXT_BIOSACM_ERRORCODE));
 		return -1;
 	}
 
@@ -460,7 +460,7 @@ bool intel_txt_prepare_txt_env(void)
 	if ((eax & 0x7d) != 0x7d)
 		failure = true;
 
-	const uint64_t status = read64((void *)TXT_SPAD);
+	const uint64_t status = read64p(TXT_SPAD);
 
 	if (status & ACMSTS_TXT_DISABLED) {
 		printk(BIOS_INFO, "TEE-TXT: TXT disabled by BIOS policy in FIT.\n");
diff --git a/src/security/intel/txt/logging.c b/src/security/intel/txt/logging.c
index 6485b867e28f..e1692cf283c6 100644
--- a/src/security/intel/txt/logging.c
+++ b/src/security/intel/txt/logging.c
@@ -35,7 +35,7 @@ const char *intel_txt_processor_error_type(uint8_t type)
  */
 static void log_txt_error(const char *phase)
 {
-	const uint64_t txt_error = read64((void *)TXT_ERROR);
+	const uint64_t txt_error = read64p(TXT_ERROR);
 
 	if (txt_error & ACMERROR_TXT_VALID) {
 		printk(BIOS_ERR, "%s: Error occurred\n", phase);
@@ -63,9 +63,9 @@ void intel_txt_log_bios_acm_error(void)
 
 	printk(BIOS_INFO, "TEE-TXT: State of ACM and ucode update:\n");
 
-	bios_acm_error = read32((void *)TXT_BIOSACM_ERRORCODE);
-	acm_status = read64((void *)TXT_SPAD);
-	txt_error = read64((void *)TXT_ERROR);
+	bios_acm_error = read32p(TXT_BIOSACM_ERRORCODE);
+	acm_status = read64p(TXT_SPAD);
+	txt_error = read64p(TXT_ERROR);
 
 	/* Errors by BIOS ACM or FIT */
 	if ((txt_error & ACMERROR_TXT_VALID) &&
@@ -81,10 +81,10 @@ void intel_txt_log_bios_acm_error(void)
 	}
 
 	/* Check for fatal ACM error and TXT reset */
-	uint8_t error = read8((void *)TXT_ESTS);
+	uint8_t error = read8p(TXT_ESTS);
 	if (error & TXT_ESTS_TXT_RESET_STS) {
 		printk(BIOS_CRIT, "TXT-STS: Intel TXT reset detected\n");
-		intel_txt_log_acm_error(read32((void *)TXT_ERROR));
+		intel_txt_log_acm_error(read32p(TXT_ERROR));
 	}
 }
 
@@ -178,12 +178,12 @@ void txt_dump_chipset_info(void)
 {
 	printk(BIOS_INFO, "TEE-TXT: Chipset Key Hash 0x");
 	for (int i = 0; i < TXT_ACM_KEY_HASH_LEN; i++) {
-		printk(BIOS_INFO, "%llx", read64((void *)TXT_ACM_KEY_HASH +
+		printk(BIOS_INFO, "%llx", read64p(TXT_ACM_KEY_HASH +
 		       (i * sizeof(uint64_t))));
 	}
 	printk(BIOS_INFO, "\n");
 
-	printk(BIOS_INFO, "TEE-TXT: DIDVID 0x%x\n", read32((void *)TXT_DIDVID));
+	printk(BIOS_INFO, "TEE-TXT: DIDVID 0x%x\n", read32p(TXT_DIDVID));
 	printk(BIOS_INFO, "TEE-TXT: production fused chipset: %s\n",
 	       intel_txt_chipset_is_production_fused() ? "true" : "false");
 }
@@ -199,18 +199,18 @@ void txt_dump_regions(void)
 
 	uint64_t reg64;
 
-	reg64 = read64((void *)TXT_HEAP_BASE);
+	reg64 = read64p(TXT_HEAP_BASE);
 	if ((reg64 != 0 && reg64 != ~0UL) &&
-	    (read64((void *)(uintptr_t)reg64) >= (sizeof(*bdr) + sizeof(uint64_t))))
+	    (read64p((uintptr_t)reg64) >= (sizeof(*bdr) + sizeof(uint64_t))))
 		bdr = (void *)((uintptr_t)reg64 + sizeof(uint64_t));
 
 	printk(BIOS_DEBUG, "TEE-TXT: TSEG 0x%lx, size %zu MiB\n", tseg_base, tseg_size / MiB);
-	printk(BIOS_DEBUG, "TEE-TXT: TXT.HEAP.BASE  0x%llx\n", read64((void *)TXT_HEAP_BASE));
-	printk(BIOS_DEBUG, "TEE-TXT: TXT.HEAP.SIZE  0x%llx\n", read64((void *)TXT_HEAP_SIZE));
-	printk(BIOS_DEBUG, "TEE-TXT: TXT.SINIT.BASE 0x%llx\n", read64((void *)TXT_SINIT_BASE));
-	printk(BIOS_DEBUG, "TEE-TXT: TXT.SINIT.SIZE 0x%llx\n", read64((void *)TXT_SINIT_SIZE));
-	printk(BIOS_DEBUG, "TEE-TXT: TXT.MSEG.BASE  0x%llx\n", read64((void *)TXT_MSEG_BASE));
-	printk(BIOS_DEBUG, "TEE-TXT: TXT.MSEG.SIZE  0x%llx\n", read64((void *)TXT_MSEG_SIZE));
+	printk(BIOS_DEBUG, "TEE-TXT: TXT.HEAP.BASE  0x%llx\n", read64p(TXT_HEAP_BASE));
+	printk(BIOS_DEBUG, "TEE-TXT: TXT.HEAP.SIZE  0x%llx\n", read64p(TXT_HEAP_SIZE));
+	printk(BIOS_DEBUG, "TEE-TXT: TXT.SINIT.BASE 0x%llx\n", read64p(TXT_SINIT_BASE));
+	printk(BIOS_DEBUG, "TEE-TXT: TXT.SINIT.SIZE 0x%llx\n", read64p(TXT_SINIT_SIZE));
+	printk(BIOS_DEBUG, "TEE-TXT: TXT.MSEG.BASE  0x%llx\n", read64p(TXT_MSEG_BASE));
+	printk(BIOS_DEBUG, "TEE-TXT: TXT.MSEG.SIZE  0x%llx\n", read64p(TXT_MSEG_SIZE));
 
 	if (bdr) {
 		printk(BIOS_DEBUG, "TEE-TXT: BiosDataRegion.bios_sinit_size 0x%x\n",
diff --git a/src/security/intel/txt/ramstage.c b/src/security/intel/txt/ramstage.c
index 8a266a4230d0..5c03da909a9a 100644
--- a/src/security/intel/txt/ramstage.c
+++ b/src/security/intel/txt/ramstage.c
@@ -20,8 +20,8 @@
 /* FIXME: Seems to work only on some platforms */
 static void log_ibb_measurements(void)
 {
-	const uint64_t mseg_size = read64((void *)TXT_MSEG_SIZE);
-	uint64_t mseg_base = read64((void *)TXT_MSEG_BASE);
+	const uint64_t mseg_size = read64p(TXT_MSEG_SIZE);
+	uint64_t mseg_base = read64p(TXT_MSEG_BASE);
 
 	if (!mseg_size || !mseg_base || mseg_size <= mseg_base)
 		return;
@@ -34,14 +34,14 @@ static void log_ibb_measurements(void)
 
 	printk(BIOS_INFO, "TEE-TXT: IBB Hash 0x");
 	for (; mseg_base < mseg_size; mseg_base++)
-		printk(BIOS_INFO, "%02X", read8((void *)(uintptr_t)mseg_base));
+		printk(BIOS_INFO, "%02X", read8p((uintptr_t)mseg_base));
 
 	printk(BIOS_INFO, "\n");
 }
 
 void bootmem_platform_add_ranges(void)
 {
-	uint64_t status = read64((void *)TXT_SPAD);
+	uint64_t status = read64p(TXT_SPAD);
 
 	if (status & ACMSTS_TXT_DISABLED)
 		return;
@@ -67,7 +67,7 @@ void bootmem_platform_add_ranges(void)
 			  BM_MEM_RESERVED);
 
 	const union dpr_register dpr = {
-		.raw = read32((void *)TXT_DPR),
+		.raw = read32p(TXT_DPR),
 	};
 
 	const uint32_t dpr_base = dpr.top - dpr.size * MiB;
@@ -78,13 +78,13 @@ void bootmem_platform_add_ranges(void)
 
 static bool get_wake_error_status(void)
 {
-	const uint8_t error = read8((void *)TXT_ESTS);
+	const uint8_t error = read8p(TXT_ESTS);
 	return !!(error & TXT_ESTS_WAKE_ERROR_STS);
 }
 
 static void check_secrets_txt(void *unused)
 {
-	uint64_t status = read64((void *)TXT_SPAD);
+	uint64_t status = read64p(TXT_SPAD);
 
 	if (status & ACMSTS_TXT_DISABLED)
 		return;
@@ -102,7 +102,7 @@ static void check_secrets_txt(void *unused)
 		intel_txt_run_bios_acm(ACMINPUT_CLEAR_SECRETS);
 
 		/* Should never reach this point ... */
-		intel_txt_log_acm_error(read32((void *)TXT_BIOSACM_ERRORCODE));
+		intel_txt_log_acm_error(read32p(TXT_BIOSACM_ERRORCODE));
 		die("Waiting for platform reset...\n");
 	}
 }
@@ -121,7 +121,7 @@ BOOT_STATE_INIT_ENTRY(BS_POST_DEVICE, BS_ON_ENTRY, check_secrets_txt, NULL);
  */
 static void init_intel_txt(void *unused)
 {
-	const uint64_t status = read64((void *)TXT_SPAD);
+	const uint64_t status = read64p(TXT_SPAD);
 
 	if (status & ACMSTS_TXT_DISABLED)
 		return;
@@ -250,10 +250,10 @@ static void txt_heap_push_bdr_for_two_acms(u8 **heap_struct)
 	txt_heap_fill_common_bdr(&data.bdr);
 	txt_heap_fill_bios_spec(&data.spec);
 
-	void *sinit_base = (void *)(uintptr_t)read64((void *)TXT_SINIT_BASE);
+	void *sinit_base = (void *)(uintptr_t)read64p(TXT_SINIT_BASE);
 	data.bdr.bios_sinit_size = cbfs_load(CONFIG_INTEL_TXT_CBFS_SINIT_ACM,
 					     sinit_base,
-					     read64((void *)TXT_SINIT_SIZE));
+					     read64p(TXT_SINIT_SIZE));
 
 	/* Extended elements - ACM addresses */
 	data.heap_acm.header.type = HEAP_EXTDATA_TYPE_ACM;
@@ -295,9 +295,9 @@ static void txt_heap_push_bdr_for_one_acm(u8 **heap_struct)
 	txt_heap_fill_common_bdr(&data.bdr);
 	txt_heap_fill_bios_spec(&data.spec);
 
-	void *sinit_base = (void *)(uintptr_t)read64((void *)TXT_SINIT_BASE);
+	void *sinit_base = (void *)(uintptr_t)read64p(TXT_SINIT_BASE);
 	/* Clear SINIT ACM memory */
-	memset(sinit_base, 0, read64((void *)TXT_SINIT_SIZE));
+	memset(sinit_base, 0, read64p(TXT_SINIT_SIZE));
 
 	/* Extended elements - ACM addresses */
 	data.heap_acm.header.type = HEAP_EXTDATA_TYPE_ACM;
@@ -318,7 +318,7 @@ static void txt_heap_push_bdr_for_one_acm(u8 **heap_struct)
 static void txt_initialize_heap(void)
 {
 	/* Fill TXT.HEAP.BASE with 4 subregions */
-	u8 *heap_struct = (void *)((uintptr_t)read64((void *)TXT_HEAP_BASE));
+	u8 *heap_struct = (void *)((uintptr_t)read64p(TXT_HEAP_BASE));
 
 	/*
 	 * Since we may have either BIOS ACM or both BIOS and SINIT ACMs in
@@ -365,7 +365,7 @@ static void lockdown_intel_txt(void *unused)
 	if (skip_intel_txt_lockdown())
 		return;
 
-	const uint64_t status = read64((void *)TXT_SPAD);
+	const uint64_t status = read64p(TXT_SPAD);
 
 	uint32_t txt_feature_flags = 0;
 	uintptr_t tseg_base;
@@ -401,7 +401,7 @@ static void lockdown_intel_txt(void *unused)
 	 * Chapter 5.5.6.1 DMA Protection Memory Region
 	 */
 
-	const u8 dpr_capable = !!(read64((void *)TXT_CAPABILITIES) &
+	const u8 dpr_capable = !!(read64p(TXT_CAPABILITIES) &
 				  TXT_CAPABILITIES_DPR);
 	printk(BIOS_INFO, "TEE-TXT: DPR capable %x\n", dpr_capable);
 
@@ -443,28 +443,28 @@ static void lockdown_intel_txt(void *unused)
 		dpr.prs = 0;
 		dpr.epm = 0;
 
-		write64((void *)TXT_DPR, dpr.raw);
+		write64p(TXT_DPR, dpr.raw);
 
 		printk(BIOS_INFO, "TEE-TXT: TXT.DPR 0x%08x\n",
-		       read32((void *)TXT_DPR));
+		       read32p(TXT_DPR));
 	}
 
 	/*
 	 * Document Number: 558294
 	 * Chapter 5.5.6.3 Intel TXT Heap Memory Region
 	 */
-	write64((void *)TXT_HEAP_SIZE, CONFIG_INTEL_TXT_HEAP_SIZE);
-	write64((void *)TXT_HEAP_BASE,
-		ALIGN_DOWN(tseg_base - read64((void *)TXT_HEAP_SIZE), 4096));
+	write64p(TXT_HEAP_SIZE, CONFIG_INTEL_TXT_HEAP_SIZE);
+	write64p(TXT_HEAP_BASE,
+		ALIGN_DOWN(tseg_base - read64p(TXT_HEAP_SIZE), 4096));
 
 	/*
 	 * Document Number: 558294
 	 * Chapter 5.5.6.2 SINIT Memory Region
 	 */
-	write64((void *)TXT_SINIT_SIZE, CONFIG_INTEL_TXT_SINIT_SIZE);
-	write64((void *)TXT_SINIT_BASE,
-		ALIGN_DOWN(read64((void *)TXT_HEAP_BASE) -
-			   read64((void *)TXT_SINIT_SIZE), 4096));
+	write64p(TXT_SINIT_SIZE, CONFIG_INTEL_TXT_SINIT_SIZE);
+	write64p(TXT_SINIT_BASE,
+		ALIGN_DOWN(read64p(TXT_HEAP_BASE) -
+			   read64p(TXT_SINIT_SIZE), 4096));
 
 	/*
 	 * FIXME: Server-TXT capable platforms need to install an STM in SMM and set up MSEG.
@@ -474,8 +474,8 @@ static void lockdown_intel_txt(void *unused)
 	 * Chapter 5.10.1 SMM in the Intel TXT for Servers Environment
 	 * Disable MSEG.
 	 */
-	write64((void *)TXT_MSEG_SIZE, 0);
-	write64((void *)TXT_MSEG_BASE, 0);
+	write64p(TXT_MSEG_SIZE, 0);
+	write64p(TXT_MSEG_BASE, 0);
 
 	/* Only initialize the heap on regular boots */
 	if (!acpi_is_wakeup_s3())
diff --git a/src/security/intel/txt/romstage.c b/src/security/intel/txt/romstage.c
index aa7cc2c0a332..643e7a90eba5 100644
--- a/src/security/intel/txt/romstage.c
+++ b/src/security/intel/txt/romstage.c
@@ -63,7 +63,7 @@ void intel_txt_romstage_init(void)
 		return;
 	}
 
-	const uint8_t txt_ests = read8((void *)TXT_ESTS);
+	const uint8_t txt_ests = read8p(TXT_ESTS);
 
 	const bool establishment = is_establishment_bit_asserted();
 	const bool is_wake_error = !!(txt_ests & TXT_ESTS_WAKE_ERROR_STS);
diff --git a/src/security/intel/txt/txtlib.c b/src/security/intel/txt/txtlib.c
index 5478206ee277..6ce86a3e918a 100644
--- a/src/security/intel/txt/txtlib.c
+++ b/src/security/intel/txt/txtlib.c
@@ -20,7 +20,7 @@ bool is_establishment_bit_asserted(void)
 	stopwatch_init_msecs_expire(&timer, 50);
 
 	while (true) {
-		access = read8((void *)TPM_ACCESS_REG);
+		access = read8p(TPM_ACCESS_REG);
 
 		/* Register returns all ones if TPM is missing */
 		if (access == 0xff)