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feat(spmd): introduce platform handler for Group0 interrupt

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This patch introduces a handler for FVP platform to triage Group0
secure interrupts. Currently, it is empty but serves as a
placeholder for future Group0 interrupt sources.

Moreover, this patch also provides a dummy implementation of the
above mentioned platform hook for QEMU, corstone100, n1sdp and
hikey960 ports.

Change-Id: I01d3451408f47ac313b0af74046cce89f89b85bb
Signed-off-by: Madhukar Pappireddy <madhukar.pappireddy@arm.com>
This commit is contained in:
Madhukar Pappireddy 2023-03-02 16:33:25 -06:00
parent 6671b3d822
commit f0b64e507e
8 changed files with 81 additions and 3 deletions
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18
plat/arm/board/corstone1000/common/corstone1000_bl31_setup.c Normal file
View file

@ -0,0 +1,18 @@
/*
* Copyright (c) 2023, Arm Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <stdint.h>
#if defined(SPD_spmd)
/*
* A dummy implementation of the platform handler for Group0 secure interrupt.
*/
int plat_spmd_handle_group0_interrupt(uint32_t intid)
{
(void)intid;
return -1;
}
#endif /*defined(SPD_spmd)*/

1
plat/arm/board/corstone1000/platform.mk
View file

@ -56,6 +56,7 @@ BL31_SOURCES += drivers/cfi/v2m/v2m_flash.c \
plat/arm/board/corstone1000/common/corstone1000_security.c \
plat/arm/board/corstone1000/common/corstone1000_plat.c \
plat/arm/board/corstone1000/common/corstone1000_pm.c \
plat/arm/board/corstone1000/common/corstone1000_bl31_setup.c \
${CORSTONE1000_CPU_LIBS} \
${CORSTONE1000_GIC_SOURCES}

17
plat/arm/board/fvp/fvp_spmd.c Normal file
View file

@ -0,0 +1,17 @@
/*
* Copyright (c) 2023, Arm Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <stdint.h>
int plat_spmd_handle_group0_interrupt(uint32_t intid)
{
/*
* As of now, there are no sources of Group0 secure interrupt enabled
* for FVP.
*/
(void)intid;
return -1;
}

4
plat/arm/board/fvp/platform.mk
View file

@ -510,3 +510,7 @@ ifeq (${PLATFORM_TEST_EA_FFH}, 1)
endif
BL31_SOURCES += plat/arm/board/fvp/aarch64/fvp_ea.c
endif
ifeq (${SPD},spmd)
BL31_SOURCES += plat/arm/board/fvp/fvp_spmd.c
endif

11
plat/arm/board/n1sdp/n1sdp_bl31_setup.c
View file

@ -159,3 +159,14 @@ void bl31_platform_setup(void)
if ((plat_info.multichip_mode) && (plat_info.remote_ddr_size != 0))
remote_dmc_ecc_setup(plat_info.remote_ddr_size);
}
#if defined(SPD_spmd)
/*
* A dummy implementation of the platform handler for Group0 secure interrupt.
*/
int plat_spmd_handle_group0_interrupt(uint32_t intid)
{
(void)intid;
return -1;
}
#endif /*defined(SPD_spmd)*/

11
plat/hisilicon/hikey960/hikey960_bl31_setup.c
View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 2017-2022, ARM Limited and Contributors. All rights reserved.
* Copyright (c) 2017-2023, Arm Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@ -245,6 +245,15 @@ static uint64_t hikey_debug_fiq_handler(uint32_t id,
return 0;
}
#elif defined(SPD_spmd) && (SPMD_SPM_AT_SEL2 == 1)
/*
* A dummy implementation of the platform handler for Group0 secure interrupt.
*/
int plat_spmd_handle_group0_interrupt(uint32_t intid)
{
(void)intid;
return -1;
}
#endif
void bl31_plat_runtime_setup(void)

13
plat/qemu/common/qemu_common.c
View file

@ -1,6 +1,6 @@
/*
* Copyright (c) 2015-2022, ARM Limited and Contributors. All rights reserved.
* Copyright (c) 2015-2023, Arm Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@ -162,3 +162,14 @@ int plat_spmc_shmem_reclaim(struct ffa_mtd *desc)
return 0;
}
#endif
#if defined(SPD_spmd) && (SPMD_SPM_AT_SEL2 == 1)
/*
* A dummy implementation of the platform handler for Group0 secure interrupt.
*/
int plat_spmd_handle_group0_interrupt(uint32_t intid)
{
(void)intid;
return -1;
}
#endif /*defined(SPD_spmd) && (SPMD_SPM_AT_SEL2 == 1)*/

9
services/std_svc/spmd/spmd_private.h
View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 2019-2022, ARM Limited and Contributors. All rights reserved.
* Copyright (c) 2019-2023, Arm Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@ -93,6 +93,13 @@ spmd_spm_core_context_t *spmd_get_context(void);
int spmd_pm_secondary_ep_register(uintptr_t entry_point);
bool spmd_check_address_in_binary_image(uint64_t address);
/*
* Platform hook in EL3 firmware to handle for Group0 secure interrupt.
* Return values:
* 0 = success
* otherwise it returns a negative value
*/
int plat_spmd_handle_group0_interrupt(uint32_t id);
#endif /* __ASSEMBLER__ */
#endif /* SPMD_PRIVATE_H */