98 lines
2.8 KiB
C
98 lines
2.8 KiB
C
/*
|
|
* Copyright (c) 2019-2022, ARM Limited and Contributors. All rights reserved.
|
|
*
|
|
* SPDX-License-Identifier: BSD-3-Clause
|
|
*/
|
|
|
|
#ifndef SPMD_PRIVATE_H
|
|
#define SPMD_PRIVATE_H
|
|
|
|
#include <context.h>
|
|
|
|
/*******************************************************************************
|
|
* Constants that allow assembler code to preserve callee-saved registers of the
|
|
* C runtime context while performing a security state switch.
|
|
******************************************************************************/
|
|
#define SPMD_C_RT_CTX_X19 0x0
|
|
#define SPMD_C_RT_CTX_X20 0x8
|
|
#define SPMD_C_RT_CTX_X21 0x10
|
|
#define SPMD_C_RT_CTX_X22 0x18
|
|
#define SPMD_C_RT_CTX_X23 0x20
|
|
#define SPMD_C_RT_CTX_X24 0x28
|
|
#define SPMD_C_RT_CTX_X25 0x30
|
|
#define SPMD_C_RT_CTX_X26 0x38
|
|
#define SPMD_C_RT_CTX_X27 0x40
|
|
#define SPMD_C_RT_CTX_X28 0x48
|
|
#define SPMD_C_RT_CTX_X29 0x50
|
|
#define SPMD_C_RT_CTX_X30 0x58
|
|
|
|
#define SPMD_C_RT_CTX_SIZE 0x60
|
|
#define SPMD_C_RT_CTX_ENTRIES (SPMD_C_RT_CTX_SIZE >> DWORD_SHIFT)
|
|
|
|
#ifndef __ASSEMBLER__
|
|
#include <stdint.h>
|
|
#include <lib/psci/psci_lib.h>
|
|
#include <plat/common/platform.h>
|
|
#include <services/ffa_svc.h>
|
|
|
|
typedef enum spmc_state {
|
|
SPMC_STATE_RESET = 0,
|
|
SPMC_STATE_OFF,
|
|
SPMC_STATE_ON_PENDING,
|
|
SPMC_STATE_ON
|
|
} spmc_state_t;
|
|
|
|
/*
|
|
* Data structure used by the SPM dispatcher (SPMD) in EL3 to track context of
|
|
* the SPM core (SPMC) at the next lower EL.
|
|
*/
|
|
typedef struct spmd_spm_core_context {
|
|
uint64_t c_rt_ctx;
|
|
cpu_context_t cpu_ctx;
|
|
spmc_state_t state;
|
|
bool secure_interrupt_ongoing;
|
|
} spmd_spm_core_context_t;
|
|
|
|
/*
|
|
* Reserve ID for NS physical FFA Endpoint.
|
|
*/
|
|
#define FFA_NS_ENDPOINT_ID U(0)
|
|
|
|
/* Define SPMD target function IDs for framework messages to the SPMC */
|
|
#define SPMD_FWK_MSG_FFA_VERSION_REQ U(0x8)
|
|
#define SPMD_FWK_MSG_FFA_VERSION_RESP U(0x9)
|
|
|
|
/* Function to build SPMD to SPMC message */
|
|
void spmd_build_spmc_message(gp_regs_t *gpregs, uint8_t target,
|
|
unsigned long long message);
|
|
|
|
/* Functions used to enter/exit SPMC synchronously */
|
|
uint64_t spmd_spm_core_sync_entry(spmd_spm_core_context_t *ctx);
|
|
__dead2 void spmd_spm_core_sync_exit(uint64_t rc);
|
|
|
|
/* Assembly helpers */
|
|
uint64_t spmd_spm_core_enter(uint64_t *c_rt_ctx);
|
|
void __dead2 spmd_spm_core_exit(uint64_t c_rt_ctx, uint64_t ret);
|
|
|
|
/* SPMD SPD power management handlers */
|
|
extern const spd_pm_ops_t spmd_pm;
|
|
|
|
/* SPMC entry point information helper */
|
|
entry_point_info_t *spmd_spmc_ep_info_get(void);
|
|
|
|
/* SPMC ID getter */
|
|
uint16_t spmd_spmc_id_get(void);
|
|
|
|
/* SPMC context on CPU based on mpidr */
|
|
spmd_spm_core_context_t *spmd_get_context_by_mpidr(uint64_t mpidr);
|
|
|
|
/* SPMC context on current CPU get helper */
|
|
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);
|
|
|
|
#endif /* __ASSEMBLER__ */
|
|
|
|
#endif /* SPMD_PRIVATE_H */
|