$(error "BL2_IN_XIP_MEM is only supported when BL2_AT_EL3 is enabled")
endif
+# SMC Calling Convention checks
+ifneq (${SMCCC_MAJOR_VERSION},1)
+ ifneq (${SPD},none)
+ $(error "SMC Calling Convention 1.X must be used with SPDs")
+ endif
+ ifeq (${ARCH},aarch32)
+ $(error "Only SMCCC 1.X is supported in AArch32 mode.")
+ endif
+endif
+
################################################################################
# Process platform overrideable behaviour
################################################################################
$(eval $(call assert_numeric,ARM_ARCH_MAJOR))
$(eval $(call assert_numeric,ARM_ARCH_MINOR))
+$(eval $(call assert_numeric,SMCCC_MAJOR_VERSION))
################################################################################
# Add definitions to the cpp preprocessor based on the current build options.
$(eval $(call add_define,PSCI_EXTENDED_STATE_ID))
$(eval $(call add_define,RESET_TO_BL31))
$(eval $(call add_define,SEPARATE_CODE_AND_RODATA))
+$(eval $(call add_define,SMCCC_MAJOR_VERSION))
$(eval $(call add_define,SPD_${SPD}))
$(eval $(call add_define,SPIN_ON_BL1_EXIT))
$(eval $(call add_define,TRUSTED_BOARD_BOOT))
#include <interrupt_mgmt.h>
#include <platform_def.h>
#include <runtime_svc.h>
+#include <smccc.h>
.globl runtime_exceptions
check_vector_size serror_aarch32
+ /* ---------------------------------------------------------------------
+ * This macro takes an argument in x16 that is the index in the
+ * 'rt_svc_descs_indices' array, checks that the value in the array is
+ * valid, and loads in x15 the pointer to the handler of that service.
+ * ---------------------------------------------------------------------
+ */
+ .macro load_rt_svc_desc_pointer
+ /* Load descriptor index from array of indices */
+ adr x14, rt_svc_descs_indices
+ ldrb w15, [x14, x16]
+
+#if SMCCC_MAJOR_VERSION == 1
+ /* Any index greater than 127 is invalid. Check bit 7. */
+ tbnz w15, 7, smc_unknown
+#elif SMCCC_MAJOR_VERSION == 2
+ /* Verify that the top 3 bits of the loaded index are 0 (w15 <= 31) */
+ cmp w15, #31
+ b.hi smc_unknown
+#endif /* SMCCC_MAJOR_VERSION */
+
+ /*
+ * Get the descriptor using the index
+ * x11 = (base + off), w15 = index
+ *
+ * handler = (base + off) + (index << log2(size))
+ */
+ adr x11, (__RT_SVC_DESCS_START__ + RT_SVC_DESC_HANDLE)
+ lsl w10, w15, #RT_SVC_SIZE_LOG2
+ ldr x15, [x11, w10, uxtw]
+ .endm
+
/* ---------------------------------------------------------------------
* The following code handles secure monitor calls.
* Depending upon the execution state from where the SMC has been
* now). x6 will point to the context structure (SP_EL3) and x7 will
* contain flags we need to pass to the handler.
*
- * Save x4-x29 and sp_el0. Refer to SMCCC v1.1.
+ * Save x4-x29 and sp_el0.
*/
save_x4_to_x29_sp_el0
mov x5, xzr
mov x6, sp
+#if SMCCC_MAJOR_VERSION == 1
+
/* Get the unique owning entity number */
ubfx x16, x0, #FUNCID_OEN_SHIFT, #FUNCID_OEN_WIDTH
ubfx x15, x0, #FUNCID_TYPE_SHIFT, #FUNCID_TYPE_WIDTH
orr x16, x16, x15, lsl #FUNCID_OEN_WIDTH
- adr x11, (__RT_SVC_DESCS_START__ + RT_SVC_DESC_HANDLE)
+ load_rt_svc_desc_pointer
- /* Load descriptor index from array of indices */
- adr x14, rt_svc_descs_indices
- ldrb w15, [x14, x16]
+#elif SMCCC_MAJOR_VERSION == 2
+
+ /* Bit 31 must be set */
+ tbz x0, #FUNCID_TYPE_SHIFT, smc_unknown
/*
- * Restore the saved C runtime stack value which will become the new
- * SP_EL0 i.e. EL3 runtime stack. It was saved in the 'cpu_context'
- * structure prior to the last ERET from EL3.
+ * Check MSB of namespace to decide between compatibility/vendor and
+ * SPCI/SPRT
*/
- ldr x12, [x6, #CTX_EL3STATE_OFFSET + CTX_RUNTIME_SP]
+ tbz x0, #(FUNCID_NAMESPACE_SHIFT + 1), compat_or_vendor
+
+ /* Namespaces SPRT and SPCI currently unimplemented */
+ b smc_unknown
+
+compat_or_vendor:
+
+ /* Namespace is b'00 (compatibility) or b'01 (vendor) */
/*
- * Any index greater than 127 is invalid. Check bit 7 for
- * a valid index
+ * Add the LSB of the namespace (bit [28]) to the OEN [27:24] to create
+ * a 5-bit index into the rt_svc_descs_indices array.
+ *
+ * The low 16 entries of the rt_svc_descs_indices array correspond to
+ * OENs of the compatibility namespace and the top 16 entries of the
+ * array are assigned to the vendor namespace descriptor.
*/
- tbnz w15, 7, smc_unknown
+ ubfx x16, x0, #FUNCID_OEN_SHIFT, #(FUNCID_OEN_WIDTH + 1)
- /* Switch to SP_EL0 */
- msr spsel, #0
+ load_rt_svc_desc_pointer
+
+#endif /* SMCCC_MAJOR_VERSION */
/*
- * Get the descriptor using the index
- * x11 = (base + off), x15 = index
- *
- * handler = (base + off) + (index << log2(size))
+ * Restore the saved C runtime stack value which will become the new
+ * SP_EL0 i.e. EL3 runtime stack. It was saved in the 'cpu_context'
+ * structure prior to the last ERET from EL3.
*/
- lsl w10, w15, #RT_SVC_SIZE_LOG2
- ldr x15, [x11, w10, uxtw]
+ ldr x12, [x6, #CTX_EL3STATE_OFFSET + CTX_RUNTIME_SP]
+
+ /* Switch to SP_EL0 */
+ msr spsel, #0
/*
* Save the SPSR_EL3, ELR_EL3, & SCR_EL3 in case there is a world
/ sizeof(rt_svc_desc_t))
/*******************************************************************************
- * Function to invoke the registered `handle` corresponding to the smc_fid.
+ * Function to invoke the registered `handle` corresponding to the smc_fid in
+ * AArch32 mode.
******************************************************************************/
+#if SMCCC_MAJOR_VERSION == 1
uintptr_t handle_runtime_svc(uint32_t smc_fid,
void *cookie,
void *handle,
return rt_svc_descs[index].handle(smc_fid, x1, x2, x3, x4, cookie,
handle, flags);
}
+#endif /* SMCCC_MAJOR_VERSION */
/*******************************************************************************
* Simple routine to sanity check a runtime service descriptor before using it
if (desc->end_oen >= OEN_LIMIT)
return -EINVAL;
- if (desc->call_type != SMC_TYPE_FAST &&
- desc->call_type != SMC_TYPE_YIELD)
+#if SMCCC_MAJOR_VERSION == 1
+ if ((desc->call_type != SMC_TYPE_FAST) &&
+ (desc->call_type != SMC_TYPE_YIELD))
return -EINVAL;
+#elif SMCCC_MAJOR_VERSION == 2
+ if (desc->is_vendor > 1U)
+ return -EINVAL;
+#endif /* SMCCC_MAJOR_VERSION */
/* A runtime service having no init or handle function doesn't make sense */
- if (desc->init == NULL && desc->handle == NULL)
+ if ((desc->init == NULL) && (desc->handle == NULL))
return -EINVAL;
return 0;
(RT_SVC_DECS_NUM < MAX_RT_SVCS));
/* If no runtime services are implemented then simply bail out */
- if (RT_SVC_DECS_NUM == 0)
+ if (RT_SVC_DECS_NUM == 0U)
return;
/* Initialise internal variables to invalid state */
* descriptor which will handle the SMCs for this owning
* entity range.
*/
- start_idx = get_unique_oen(rt_svc_descs[index].start_oen,
- service->call_type);
- assert(start_idx < MAX_RT_SVCS);
- end_idx = get_unique_oen(rt_svc_descs[index].end_oen,
- service->call_type);
+#if SMCCC_MAJOR_VERSION == 1
+ start_idx = get_unique_oen(service->start_oen,
+ service->call_type);
+ end_idx = get_unique_oen(service->end_oen,
+ service->call_type);
+#elif SMCCC_MAJOR_VERSION == 2
+ start_idx = get_rt_desc_idx(service->start_oen,
+ service->is_vendor);
+ end_idx = get_rt_desc_idx(service->end_oen,
+ service->is_vendor);
+#endif
+ assert(start_idx <= end_idx);
assert(end_idx < MAX_RT_SVCS);
for (; start_idx <= end_idx; start_idx++)
rt_svc_descs_indices[start_idx] = index;
pages" section in `Firmware Design`_. This flag is disabled by default and
affects all BL images.
+- ``SMCCC_MAJOR_VERSION``: Numeric value that indicates the major version of
+ the SMC Calling Convention that the Trusted Firmware supports. The only two
+ allowed values are 1 and 2, and it defaults to 1. The minor version is
+ determined using this value.
+
- ``SPD``: Choose a Secure Payload Dispatcher component to be built into TF-A.
This build option is only valid if ``ARCH=aarch64``. The value should be
the path to the directory containing the SPD source, relative to
#define __RUNTIME_SVC_H__
#include <bl_common.h> /* to include exception types */
+#include <cassert.h>
#include <smccc_helpers.h> /* to include SMCCC definitions */
-
+#include <utils_def.h>
/*******************************************************************************
* Structure definition, typedefs & constants for the runtime service framework
/*
- * The function identifier has 6 bits for the owning entity number and
- * single bit for the type of smc call. When taken together these
- * values limit the maximum number of runtime services to 128.
+ * In SMCCC 1.X, the function identifier has 6 bits for the owning entity number
+ * and a single bit for the type of smc call. When taken together, those values
+ * limit the maximum number of runtime services to 128.
+ *
+ * In SMCCC 2.X the type bit is always 1 and there are only 4 OEN bits in the
+ * compatibility namespace, so the total number of services is 16. The LSB of
+ * namespace is also added to these 4 bits to make space for the vendor service
+ * handler and so the total number of runtime services is 32.
*/
+#if SMCCC_MAJOR_VERSION == 1
#define MAX_RT_SVCS 128
+#elif SMCCC_MAJOR_VERSION == 2
+#define MAX_RT_SVCS 32
+#endif
#ifndef __ASSEMBLY__
typedef struct rt_svc_desc {
uint8_t start_oen;
uint8_t end_oen;
+#if SMCCC_MAJOR_VERSION == 1
uint8_t call_type;
+#elif SMCCC_MAJOR_VERSION == 2
+ uint8_t is_vendor;
+#endif
const char *name;
rt_svc_init_t init;
rt_svc_handle_t handle;
} rt_svc_desc_t;
/*
- * Convenience macro to declare a service descriptor
+ * Convenience macros to declare a service descriptor
+ */
+#if SMCCC_MAJOR_VERSION == 1
+
+#define DECLARE_RT_SVC(_name, _start, _end, _type, _setup, _smch) \
+ static const rt_svc_desc_t __svc_desc_ ## _name \
+ __section("rt_svc_descs") __used = { \
+ .start_oen = _start, \
+ .end_oen = _end, \
+ .call_type = _type, \
+ .name = #_name, \
+ .init = _setup, \
+ .handle = _smch \
+ }
+
+#elif SMCCC_MAJOR_VERSION == 2
+
+#define DECLARE_RT_SVC(_name, _start, _end, _type, _setup, _smch) \
+ static const rt_svc_desc_t __svc_desc_ ## _name \
+ __section("rt_svc_descs") __used = { \
+ .start_oen = _start, \
+ .end_oen = _end, \
+ .is_vendor = 0, \
+ .name = #_name, \
+ .init = _setup, \
+ .handle = _smch, \
+ }; \
+ CASSERT((_type) == SMC_TYPE_FAST, rt_svc_type_check_ ## _name)
+
+/*
+ * The higher 16 entries of the runtime services are used for the vendor
+ * specific descriptor.
*/
-#define DECLARE_RT_SVC(_name, _start, _end, _type, _setup, _smch) \
- static const rt_svc_desc_t __svc_desc_ ## _name \
- __section("rt_svc_descs") __used = { \
- .start_oen = _start, \
- .end_oen = _end, \
- .call_type = _type, \
- .name = #_name, \
- .init = _setup, \
- .handle = _smch }
+#define DECLARE_RT_SVC_VENDOR(_setup, _smch) \
+ static const rt_svc_desc_t __svc_desc_vendor \
+ __section("rt_svc_descs") __used = { \
+ .start_oen = 0, \
+ .end_oen = 15, \
+ .is_vendor = 1, \
+ .name = "vendor_rt_svc", \
+ .init = _setup, \
+ .handle = _smch, \
+ }
+
+#endif /* SMCCC_MAJOR_VERSION */
/*
* Compile time assertions related to the 'rt_svc_desc' structure to:
assert_rt_svc_desc_handle_offset_mismatch);
+#if SMCCC_MAJOR_VERSION == 1
/*
* This macro combines the call type and the owning entity number corresponding
* to a runtime service to generate a unique owning entity number. This unique
* array to invoke the corresponding runtime service handler during SMC
* handling.
*/
-#define get_unique_oen_from_smc_fid(fid) \
- get_unique_oen(((fid) >> FUNCID_OEN_SHIFT), \
- ((fid) >> FUNCID_TYPE_SHIFT))
+#define get_unique_oen_from_smc_fid(fid) \
+ get_unique_oen(GET_SMC_OEN(fid), GET_SMC_TYPE(fid))
+
+#elif SMCCC_MAJOR_VERSION == 2
+
+/*
+ * This macro combines the owning entity number corresponding to a runtime
+ * service with one extra bit for the vendor namespace to generate an index into
+ * the 'rt_svc_descs_indices' array. The entry contains the index of the service
+ * descriptor in the 'rt_svc_descs' array.
+ */
+#define get_rt_desc_idx(oen, is_vendor) \
+ (((uint32_t)(oen) & FUNCID_OEN_MASK) | \
+ (((uint32_t)(is_vendor) & 1U) << FUNCID_OEN_WIDTH))
+
+#endif
/*******************************************************************************
* Function & variable prototypes
#include <utils_def.h>
-/*******************************************************************************
- * Bit definitions inside the function id as per the SMC calling convention
- ******************************************************************************/
-#define FUNCID_TYPE_SHIFT U(31)
-#define FUNCID_CC_SHIFT U(30)
-#define FUNCID_OEN_SHIFT U(24)
-#define FUNCID_NUM_SHIFT U(0)
-
-#define FUNCID_TYPE_MASK U(0x1)
-#define FUNCID_CC_MASK U(0x1)
-#define FUNCID_OEN_MASK U(0x3f)
-#define FUNCID_NUM_MASK U(0xffff)
-
-#define FUNCID_TYPE_WIDTH U(1)
-#define FUNCID_CC_WIDTH U(1)
-#define FUNCID_OEN_WIDTH U(6)
-#define FUNCID_NUM_WIDTH U(16)
-
-#define GET_SMC_CC(id) ((id >> FUNCID_CC_SHIFT) & \
- FUNCID_CC_MASK)
-#define GET_SMC_TYPE(id) ((id >> FUNCID_TYPE_SHIFT) & \
- FUNCID_TYPE_MASK)
-
-#define SMC_64 U(1)
-#define SMC_32 U(0)
-#define SMC_OK U(0)
-#define SMC_UNK -1
-#define SMC_TYPE_FAST ULL(1)
-#if !ERROR_DEPRECATED
-#define SMC_TYPE_STD ULL(0)
+#define SMCCC_VERSION_MAJOR_SHIFT U(16)
+#define SMCCC_VERSION_MAJOR_MASK U(0x7FFF)
+#define SMCCC_VERSION_MINOR_SHIFT U(0)
+#define SMCCC_VERSION_MINOR_MASK U(0xFFFF)
+#define MAKE_SMCCC_VERSION(_major, _minor) \
+ ( (((uint32_t)(_major) & SMCCC_VERSION_MAJOR_MASK) << SMCCC_VERSION_MAJOR_SHIFT) \
+ | (((uint32_t)(_minor) & SMCCC_VERSION_MINOR_MASK) << SMCCC_VERSION_MINOR_SHIFT))
+
+#if SMCCC_MAJOR_VERSION == 1
+# define SMCCC_MINOR_VERSION U(1)
+# include <smccc_v1.h>
+#elif SMCCC_MAJOR_VERSION == 2
+# define SMCCC_MINOR_VERSION U(0)
+# include <smccc_v2.h>
+#else
+# error "Unsupported version of SMCCC."
#endif
-#define SMC_TYPE_YIELD U(0)
-#define SMC_PREEMPTED -2
-/*******************************************************************************
- * Owning entity number definitions inside the function id as per the SMC
- * calling convention
- ******************************************************************************/
-#define OEN_ARM_START U(0)
-#define OEN_ARM_END U(0)
-#define OEN_CPU_START U(1)
-#define OEN_CPU_END U(1)
-#define OEN_SIP_START U(2)
-#define OEN_SIP_END U(2)
-#define OEN_OEM_START U(3)
-#define OEN_OEM_END U(3)
-#define OEN_STD_START U(4) /* Standard Service Calls */
-#define OEN_STD_END U(4)
-#define OEN_TAP_START U(48) /* Trusted Applications */
-#define OEN_TAP_END U(49)
-#define OEN_TOS_START U(50) /* Trusted OS */
-#define OEN_TOS_END U(63)
-#define OEN_LIMIT U(64)
+
+/* Various flags passed to SMC handlers */
+#define SMC_FROM_SECURE (U(0) << 0)
+#define SMC_FROM_NON_SECURE (U(1) << 0)
#ifndef __ASSEMBLY__
#include <cassert.h>
#include <stdint.h>
-#define SMCCC_MAJOR_VERSION U(1)
-#define SMCCC_MINOR_VERSION U(1)
-
-#define MAKE_SMCCC_VERSION(_major, _minor) (((_major) << 16) | (_minor))
-
-/* Various flags passed to SMC handlers */
-#define SMC_FROM_SECURE (U(0) << 0)
-#define SMC_FROM_NON_SECURE (U(1) << 0)
-
#define is_caller_non_secure(_f) (((_f) & SMC_FROM_NON_SECURE) != U(0))
#define is_caller_secure(_f) (!is_caller_non_secure(_f))
/* The macro below is used to identify a Standard Service SMC call */
-#define is_std_svc_call(_fid) ((((_fid) >> FUNCID_OEN_SHIFT) & \
- FUNCID_OEN_MASK) == OEN_STD_START)
+#define is_std_svc_call(_fid) (GET_SMC_OEN(_fid) == OEN_STD_START)
/* The macro below is used to identify a Arm Architectural Service SMC call */
-#define is_arm_arch_svc_call(_fid) ((((_fid) >> FUNCID_OEN_SHIFT) & \
- FUNCID_OEN_MASK) == OEN_ARM_START)
+#define is_arm_arch_svc_call(_fid) (GET_SMC_OEN(_fid) == OEN_ARM_START)
/* The macro below is used to identify a valid Fast SMC call */
#define is_valid_fast_smc(_fid) ((!(((_fid) >> 16) & U(0xff))) && \
--- /dev/null
+/*
+ * Copyright (c) 2016-2018, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef SMCCC_V1_H
+#define SMCCC_V1_H
+
+#ifndef __SMCCC_H__
+#error "This file must only be included from smccc.h"
+#endif
+
+/*******************************************************************************
+ * Bit definitions inside the function id as per the SMC calling convention
+ ******************************************************************************/
+#define FUNCID_TYPE_SHIFT U(31)
+#define FUNCID_TYPE_MASK U(0x1)
+#define FUNCID_TYPE_WIDTH U(1)
+
+#define FUNCID_CC_SHIFT U(30)
+#define FUNCID_CC_MASK U(0x1)
+#define FUNCID_CC_WIDTH U(1)
+
+#define FUNCID_OEN_SHIFT U(24)
+#define FUNCID_OEN_MASK U(0x3f)
+#define FUNCID_OEN_WIDTH U(6)
+
+#define FUNCID_NUM_SHIFT U(0)
+#define FUNCID_NUM_MASK U(0xffff)
+#define FUNCID_NUM_WIDTH U(16)
+
+#define GET_SMC_TYPE(id) (((id) >> FUNCID_TYPE_SHIFT) & \
+ FUNCID_TYPE_MASK)
+#define GET_SMC_CC(id) (((id) >> FUNCID_CC_SHIFT) & \
+ FUNCID_CC_MASK)
+#define GET_SMC_OEN(id) (((id) >> FUNCID_OEN_SHIFT) & \
+ FUNCID_OEN_MASK)
+
+/*******************************************************************************
+ * Owning entity number definitions inside the function id as per the SMC
+ * calling convention
+ ******************************************************************************/
+#define OEN_ARM_START U(0)
+#define OEN_ARM_END U(0)
+#define OEN_CPU_START U(1)
+#define OEN_CPU_END U(1)
+#define OEN_SIP_START U(2)
+#define OEN_SIP_END U(2)
+#define OEN_OEM_START U(3)
+#define OEN_OEM_END U(3)
+#define OEN_STD_START U(4) /* Standard Service Calls */
+#define OEN_STD_END U(4)
+#define OEN_STD_HYP_START U(5) /* Standard Hypervisor Service calls */
+#define OEN_STD_HYP_END U(5)
+#define OEN_VEN_HYP_START U(6) /* Vendor Hypervisor Service calls */
+#define OEN_VEN_HYP_END U(6)
+#define OEN_TAP_START U(48) /* Trusted Applications */
+#define OEN_TAP_END U(49)
+#define OEN_TOS_START U(50) /* Trusted OS */
+#define OEN_TOS_END U(63)
+#define OEN_LIMIT U(64)
+
+/* Flags and error codes */
+#define SMC_64 U(1)
+#define SMC_32 U(0)
+
+#define SMC_TYPE_FAST ULL(1)
+#if !ERROR_DEPRECATED
+#define SMC_TYPE_STD ULL(0)
+#endif
+#define SMC_TYPE_YIELD ULL(0)
+
+#define SMC_OK ULL(0)
+#define SMC_UNK -1
+#define SMC_PREEMPTED -2 /* Not defined by the SMCCC */
+
+#endif /* SMCCC_V1_H */
--- /dev/null
+/*
+ * Copyright (c) 2016-2018, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef SMCCC_V2_H
+#define SMCCC_V2_H
+
+#ifndef __SMCCC_H__
+#error "This file must only be included from smccc.h"
+#endif
+
+/*******************************************************************************
+ * Bit definitions inside the function id as per the SMC calling convention
+ ******************************************************************************/
+#define FUNCID_TYPE_SHIFT U(31)
+#define FUNCID_TYPE_MASK U(0x1)
+#define FUNCID_TYPE_WIDTH U(1)
+
+#define FUNCID_CC_SHIFT U(30)
+#define FUNCID_CC_MASK U(0x1)
+#define FUNCID_CC_WIDTH U(1)
+
+#define FUNCID_NAMESPACE_SHIFT U(28)
+#define FUNCID_NAMESPACE_MASK U(0x3)
+#define FUNCID_NAMESPACE_WIDTH U(2)
+
+#define FUNCID_OEN_SHIFT U(24)
+#define FUNCID_OEN_MASK U(0xf)
+#define FUNCID_OEN_WIDTH U(4)
+
+#define FUNCID_NUM_SHIFT U(0)
+#define FUNCID_NUM_MASK U(0xffff)
+#define FUNCID_NUM_WIDTH U(16)
+
+#define GET_SMC_TYPE(id) (((id) >> FUNCID_TYPE_SHIFT) & \
+ FUNCID_TYPE_MASK)
+#define GET_SMC_CC(id) (((id) >> FUNCID_CC_SHIFT) & \
+ FUNCID_CC_MASK)
+#define GET_SMC_NAMESPACE(id) (((id) >> FUNCID_NAMESPACE_SHIFT) & \
+ FUNCID_NAMESPACE_MASK)
+#define GET_SMC_OEN(id) (((id) >> FUNCID_OEN_SHIFT) & \
+ FUNCID_OEN_MASK)
+
+/*******************************************************************************
+ * Owning entity number definitions inside the function id as per the SMC
+ * calling convention
+ ******************************************************************************/
+#define OEN_ARM_START U(0)
+#define OEN_ARM_END U(0)
+#define OEN_CPU_START U(1)
+#define OEN_CPU_END U(1)
+#define OEN_SIP_START U(2)
+#define OEN_SIP_END U(2)
+#define OEN_OEM_START U(3)
+#define OEN_OEM_END U(3)
+#define OEN_STD_START U(4) /* Standard Service Calls */
+#define OEN_STD_END U(4)
+#define OEN_STD_HYP_START U(5) /* Standard Hypervisor Service calls */
+#define OEN_STD_HYP_END U(5)
+#define OEN_VEN_HYP_START U(6) /* Vendor Hypervisor Service calls */
+#define OEN_VEN_HYP_END U(6)
+#define OEN_LIMIT U(16)
+
+/*******************************************************************************
+ * Service namespaces as per the SMC Calling Convention v2.X
+ ******************************************************************************/
+#define FUNCID_NAMESPACE_START U(0)
+#define FUNCID_NAMESPACE_COMPAT U(0)
+#define FUNCID_NAMESPACE_VENDOR U(1)
+#define FUNCID_NAMESPACE_SPRT U(2)
+#define FUNCID_NAMESPACE_SPCI U(3)
+#define FUNCID_NAMESPACE_LIMIT U(4)
+
+/* Flags and error codes */
+#define SMC_64 U(1)
+#define SMC_32 U(0)
+
+#define SMC_TYPE_FAST ULL(1)
+
+#define SMC_OK ULL(0)
+#define SMC_UNK -1
+
+#endif /* SMCCC_V2_H */
# platform Makefile is free to override this value.
SEPARATE_CODE_AND_RODATA := 0
+# Default to SMCCC Version 1.X
+SMCCC_MAJOR_VERSION := 1
+
# SPD choice
SPD := none
projects / project / bcm63xx / atf.git / commitdiff