GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

source/trusted-firmware/trusted-firmware-a-2.8/services/std_svc/spmd/spmd_private.h

@@ -0,0 +1,98 @@
+/*
+ * 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 <common/bl_common.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 */