Merge pull request #1360 from antonio-nino-diaz-arm/an/smccc-v2
Add support for the SMC Calling Convention 2.0
This commit is contained in:
danh-arm
GitHub
commit
0522c1e75d
12
Makefile
12
Makefile
|
|
@ -378,6 +378,16 @@ ifeq ($(BL2_AT_EL3)-$(BL2_IN_XIP_MEM),0-1)
|
|||
$(error "BL2_IN_XIP_MEM is only supported when BL2_AT_EL3 is enabled")
|
||||
endif
|
||||
|
||||
# SMC Calling Convention checks
|
||||
ifneq (${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
|
||||
################################################################################
|
||||
|
|
@ -527,6 +537,7 @@ $(eval $(call assert_boolean,BL2_IN_XIP_MEM))
|
|||
|
||||
$(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.
|
||||
|
|
@ -563,6 +574,7 @@ $(eval $(call add_define,PROGRAMMABLE_RESET_ADDRESS))
|
|||
$(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))
|
||||
|
|
|
|||
|
|
@ -11,6 +11,7 @@
|
|||
#include <interrupt_mgmt.h>
|
||||
#include <platform_def.h>
|
||||
#include <runtime_svc.h>
|
||||
#include <smccc.h>
|
||||
|
||||
.globl runtime_exceptions
|
||||
|
||||
|
|
@ -288,6 +289,37 @@ vector_entry serror_aarch32
|
|||
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
|
||||
|
|
@ -311,23 +343,53 @@ smc_handler64:
|
|||
* 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
|
||||
|
||||
/*
|
||||
* Check MSB of namespace to decide between compatibility/vendor and
|
||||
* SPCI/SPRT
|
||||
*/
|
||||
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) */
|
||||
|
||||
/*
|
||||
* 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.
|
||||
*/
|
||||
ubfx x16, x0, #FUNCID_OEN_SHIFT, #(FUNCID_OEN_WIDTH + 1)
|
||||
|
||||
load_rt_svc_desc_pointer
|
||||
|
||||
#endif /* SMCCC_MAJOR_VERSION */
|
||||
|
||||
/*
|
||||
* Restore the saved C runtime stack value which will become the new
|
||||
|
|
@ -336,24 +398,9 @@ smc_handler64:
|
|||
*/
|
||||
ldr x12, [x6, #CTX_EL3STATE_OFFSET + CTX_RUNTIME_SP]
|
||||
|
||||
/*
|
||||
* Any index greater than 127 is invalid. Check bit 7 for
|
||||
* a valid index
|
||||
*/
|
||||
tbnz w15, 7, smc_unknown
|
||||
|
||||
/* Switch to SP_EL0 */
|
||||
msr spsel, #0
|
||||
|
||||
/*
|
||||
* Get the descriptor using the index
|
||||
* x11 = (base + off), x15 = index
|
||||
*
|
||||
* handler = (base + off) + (index << log2(size))
|
||||
*/
|
||||
lsl w10, w15, #RT_SVC_SIZE_LOG2
|
||||
ldr x15, [x11, w10, uxtw]
|
||||
|
||||
/*
|
||||
* Save the SPSR_EL3, ELR_EL3, & SCR_EL3 in case there is a world
|
||||
* switch during SMC handling.
|
||||
|
|
|
|||
|
|
@ -26,8 +26,10 @@ static rt_svc_desc_t *rt_svc_descs;
|
|||
/ 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,
|
||||
|
|
@ -53,6 +55,7 @@ uintptr_t handle_runtime_svc(uint32_t smc_fid,
|
|||
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
|
||||
|
|
@ -68,12 +71,17 @@ static int32_t validate_rt_svc_desc(const rt_svc_desc_t *desc)
|
|||
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;
|
||||
|
|
@ -96,7 +104,7 @@ void runtime_svc_init(void)
|
|||
(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 */
|
||||
|
|
@ -140,11 +148,18 @@ void runtime_svc_init(void)
|
|||
* 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;
|
||||
|
|
|
|||
|
|
@ -573,6 +573,11 @@ Common build options
|
|||
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
|
||||
|
|
|
|||
|
|
@ -8,8 +8,9 @@
|
|||
#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
|
||||
|
|
@ -32,11 +33,20 @@
|
|||
|
||||
|
||||
/*
|
||||
* 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__
|
||||
|
||||
|
|
@ -60,24 +70,62 @@ typedef uintptr_t (*rt_svc_handle_t)(uint32_t smc_fid,
|
|||
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
|
||||
*/
|
||||
#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 }
|
||||
#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_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:
|
||||
|
|
@ -96,6 +144,7 @@ CASSERT(RT_SVC_DESC_HANDLE == __builtin_offsetof(rt_svc_desc_t, handle), \
|
|||
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
|
||||
|
|
@ -112,9 +161,22 @@ CASSERT(RT_SVC_DESC_HANDLE == __builtin_offsetof(rt_svc_desc_t, handle), \
|
|||
* 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
|
||||
|
|
|
|||
|
|
@ -9,83 +9,41 @@
|
|||
|
||||
#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 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))
|
||||
|
||||
#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)
|
||||
#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))) && \
|
||||
|
|
|
|||
|
|
@ -0,0 +1,78 @@
|
|||
/*
|
||||
* 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 */
|
||||
|
|
@ -0,0 +1,85 @@
|
|||
/*
|
||||
* 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 */
|
||||
|
|
@ -133,6 +133,9 @@ SDEI_SUPPORT := 0
|
|||
# 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
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue