Merge pull request #641 from antonio-nino-diaz-arm/an/fvp-set-nv-ctr
Implement plat_set_nv_ctr for FVP platforms
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commit
11ec6c598f
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@ -1,5 +1,5 @@
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/*
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* Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
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* Copyright (c) 2015-2016, ARM Limited and Contributors. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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@ -180,10 +180,10 @@ int plat_get_nv_ctr(void *cookie, unsigned int *nv_ctr)
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}
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/*
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* Store a new non-volatile counter value. On Juno and FVP, the non-volatile
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* counters are RO and cannot be modified. We expect the values in the
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* certificates to always match the RO values so that this function is never
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* called.
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* Store a new non-volatile counter value. By default on ARM development
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* platforms, the non-volatile counters are RO and cannot be modified. We expect
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* the values in the certificates to always match the RO values so that this
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* function is never called.
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*
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* Return: 0 = success, Otherwise = error
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*/
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@ -62,7 +62,7 @@ arm_config_t arm_config;
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#define MAP_DEVICE2 MAP_REGION_FLAT(DEVICE2_BASE, \
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DEVICE2_SIZE, \
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MT_DEVICE | MT_RO | MT_SECURE)
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MT_DEVICE | MT_RW | MT_SECURE)
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/*
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@ -0,0 +1,68 @@
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/*
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* Copyright (c) 2016, ARM Limited and Contributors. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* Neither the name of ARM nor the names of its contributors may be used
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* to endorse or promote products derived from this software without specific
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* prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <assert.h>
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#include <platform_oid.h>
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#include <stdint.h>
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#include <string.h>
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#include "fvp_def.h"
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/*
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* Store a new non-volatile counter value. On some FVP versions, the
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* non-volatile counters are RO. On these versions we expect the values in the
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* certificates to always match the RO values so that this function is never
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* called.
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*
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* Return: 0 = success, Otherwise = error
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*/
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int plat_set_nv_ctr(void *cookie, unsigned int nv_ctr)
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{
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const char *oid;
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uint32_t *nv_ctr_addr;
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assert(cookie != NULL);
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oid = (const char *)cookie;
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if (strcmp(oid, TRUSTED_FW_NVCOUNTER_OID) == 0) {
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nv_ctr_addr = (uint32_t *)TFW_NVCTR_BASE;
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} else if (strcmp(oid, NON_TRUSTED_FW_NVCOUNTER_OID) == 0) {
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nv_ctr_addr = (uint32_t *)NTFW_CTR_BASE;
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} else {
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return 1;
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}
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*(unsigned int *)nv_ctr_addr = nv_ctr;
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/* Verify that the current value is the one we just wrote. */
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if (nv_ctr != (unsigned int)(*nv_ctr_addr))
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return 1;
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return 0;
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}
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@ -112,6 +112,7 @@ BL1_SOURCES += drivers/io/io_semihosting.c \
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plat/arm/board/fvp/fvp_bl1_setup.c \
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plat/arm/board/fvp/fvp_err.c \
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plat/arm/board/fvp/fvp_io_storage.c \
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plat/arm/board/fvp/fvp_trusted_boot.c \
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${FVP_CPU_LIBS} \
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${FVP_INTERCONNECT_SOURCES}
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@ -123,6 +124,7 @@ BL2_SOURCES += drivers/io/io_semihosting.c \
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plat/arm/board/fvp/fvp_bl2_setup.c \
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plat/arm/board/fvp/fvp_err.c \
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plat/arm/board/fvp/fvp_io_storage.c \
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plat/arm/board/fvp/fvp_trusted_boot.c \
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${FVP_SECURITY_SOURCES}
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ifeq (${FVP_USE_SP804_TIMER},1)
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