diff options
Diffstat (limited to 'include/runtime_services/secure_el0_payloads/spm_svc.h')
| -rw-r--r-- | include/runtime_services/secure_el0_payloads/spm_svc.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/include/runtime_services/secure_el0_payloads/spm_svc.h b/include/runtime_services/secure_el0_payloads/spm_svc.h new file mode 100644 index 0000000..48132fd --- /dev/null +++ b/include/runtime_services/secure_el0_payloads/spm_svc.h @@ -0,0 +1,72 @@ +/* + * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef __SPM_SVC_H__ +#define __SPM_SVC_H__ + +#include <utils_def.h> + +#define SPM_VERSION_MAJOR U(0) +#define SPM_VERSION_MINOR U(1) +#define SPM_VERSION_FORM(major, minor) ((major << 16) | (minor)) +#define SPM_VERSION_COMPILED SPM_VERSION_FORM(SPM_VERSION_MAJOR, SPM_VERSION_MINOR) + +#define SP_VERSION_MAJOR U(1) +#define SP_VERSION_MINOR U(0) +#define SP_VERSION_FORM(major, minor) ((major << 16) | (minor)) +#define SP_VERSION_COMPILED SP_VERSION_FORM(SP_VERSION_MAJOR, SP_VERSION_MINOR) + +/* The macros below are used to identify SPM calls from the SMC function ID */ +#define SPM_FID_MASK U(0xffff) +#define SPM_FID_MIN_VALUE U(0x40) +#define SPM_FID_MAX_VALUE U(0x7f) +#define is_spm_fid(_fid) \ + ((((_fid) & SPM_FID_MASK) >= SPM_FID_MIN_VALUE) && \ + (((_fid) & SPM_FID_MASK) <= SPM_FID_MAX_VALUE)) + +/* + * SVC IDs defined for accessing services implemented by the Secure Partition + * Manager from the Secure Partition(s). These services enable a partition to + * handle delegated events and request privileged operations from the manager. + */ +#define SPM_VERSION_AARCH32 U(0x84000060) +#define SP_EVENT_COMPLETE_AARCH64 U(0xC4000061) +#define SP_MEM_ATTRIBUTES_GET_AARCH64 U(0xC4000064) +#define SP_MEM_ATTRIBUTES_SET_AARCH64 U(0xC4000065) + +/* + * Macros used by SP_MEM_ATTRIBUTES_SET_AARCH64. + */ + +#define SP_MEM_ATTR_ACCESS_NOACCESS U(0) +#define SP_MEM_ATTR_ACCESS_RW U(1) +/* Value U(2) is reserved. */ +#define SP_MEM_ATTR_ACCESS_RO U(3) +#define SP_MEM_ATTR_ACCESS_MASK U(3) +#define SP_MEM_ATTR_ACCESS_SHIFT 0 + +#define SP_MEM_ATTR_EXEC (U(0) << 2) +#define SP_MEM_ATTR_NON_EXEC (U(1) << 2) + +/* + * SMC IDs defined in [1] for accessing secure partition services from the + * Non-secure world. These FIDs occupy the range 0x40 - 0x5f + * [1] DEN0060A_ARM_MM_Interface_Specification.pdf + */ +#define SP_VERSION_AARCH64 U(0xC4000040) +#define SP_VERSION_AARCH32 U(0x84000040) + +#define SP_COMMUNICATE_AARCH64 U(0xC4000041) +#define SP_COMMUNICATE_AARCH32 U(0x84000041) + +/* SPM error codes. */ +#define SPM_SUCCESS 0 +#define SPM_NOT_SUPPORTED -1 +#define SPM_INVALID_PARAMETER -2 +#define SPM_DENIED -3 +#define SPM_NO_MEMORY -5 + +#endif /* __SPM_SVC_H__ */ |