EDK2 RISC-V OpenSBI library which pull in external source files under
RISC-V/ProcessorPkg/Library/RiscVOpensbiLib/opensbi to the build process.
Signed-off-by: Abner Chang <abner.ch...@hpe.com>
Co-authored-by: Daniel Schaefer <daniel.schae...@hpe.com>
Co-authored-by: Gilbert Chen <gilbert.c...@hpe.com>
Reviewed-by: Leif Lindholm <l...@nuviainc.com>
Cc: Leif Lindholm <l...@nuviainc.com>
Cc: Gilbert Chen <gilbert.c...@hpe.com>
Cc: Abner Chang <abner.ch...@hpe.com>
Cc: Daniel Schaefer <daniel.schae...@hpe.com>
Cc: Michael D Kinney <michael.d.kin...@intel.com>
---
Silicon/RISC-V/ProcessorPkg/Library/RiscVOpensbiLib/RiscVOpensbiLib.inf | 52
+++++++++++++
Silicon/RISC-V/ProcessorPkg/Include/IndustryStandard/RiscVOpensbi.h | 81
++++++++++++++++++++
Silicon/RISC-V/ProcessorPkg/Include/OpensbiTypes.h | 75
++++++++++++++++++
3 files changed, 208 insertions(+)
diff --git
a/Silicon/RISC-V/ProcessorPkg/Library/RiscVOpensbiLib/RiscVOpensbiLib.inf
b/Silicon/RISC-V/ProcessorPkg/Library/RiscVOpensbiLib/RiscVOpensbiLib.inf
new file mode 100644
index 000000000000..14e29dc0aa62
--- /dev/null
+++ b/Silicon/RISC-V/ProcessorPkg/Library/RiscVOpensbiLib/RiscVOpensbiLib.inf
@@ -0,0 +1,52 @@
+## @file
+# RISC-V Opensbi Library Instance.
+#
+# Copyright (c) 2020, Hewlett Packard Enterprise Development LP. All rights
reserved.<BR>
+#
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+##
+
+[Defines]
+ INF_VERSION = 0x0001001b
+ BASE_NAME = RiscVOpensbiLib
+ FILE_GUID = 6EF0C812-66F6-11E9-93CE-3F5D5F0DF0A7
+ MODULE_TYPE = BASE
+ VERSION_STRING = 1.0
+ LIBRARY_CLASS = RiscVOpensbiLib
+
+[Sources]
+ opensbi/lib/sbi/riscv_asm.c
+ opensbi/lib/sbi/riscv_atomic.c
+ opensbi/lib/sbi/riscv_hardfp.S
+ opensbi/lib/sbi/riscv_locks.c
+ opensbi/lib/sbi/sbi_console.c
+ opensbi/lib/sbi/sbi_ecall.c
+ opensbi/lib/sbi/sbi_ecall_vendor.c
+ opensbi/lib/sbi/sbi_ecall_replace.c
+ opensbi/lib/sbi/sbi_ecall_legacy.c
+ opensbi/lib/sbi/sbi_ecall_base.c
+ opensbi/lib/sbi/sbi_emulate_csr.c
+ opensbi/lib/sbi/sbi_fifo.c
+ opensbi/lib/sbi/sbi_hart.c
+ opensbi/lib/sbi/sbi_hfence.S
+ opensbi/lib/sbi/sbi_illegal_insn.c
+ opensbi/lib/sbi/sbi_init.c
+ opensbi/lib/sbi/sbi_ipi.c
+ opensbi/lib/sbi/sbi_misaligned_ldst.c
+ opensbi/lib/sbi/sbi_scratch.c
+ opensbi/lib/sbi/sbi_string.c
+ opensbi/lib/sbi/sbi_system.c
+ opensbi/lib/sbi/sbi_timer.c
+ opensbi/lib/sbi/sbi_tlb.c
+ opensbi/lib/sbi/sbi_trap.c
+ opensbi/lib/sbi/sbi_unpriv.c
+ opensbi/lib/utils/sys/clint.c
+ opensbi/lib/utils/irqchip/plic.c
+ opensbi/lib/utils/serial/sifive-uart.c
+ opensbi/lib/utils/serial/uart8250.c
+
+[Packages]
+ EmbeddedPkg/EmbeddedPkg.dec # For libfdt.
+ MdePkg/MdePkg.dec
+ Silicon/RISC-V/ProcessorPkg/RiscVProcessorPkg.dec
diff --git
a/Silicon/RISC-V/ProcessorPkg/Include/IndustryStandard/RiscVOpensbi.h
b/Silicon/RISC-V/ProcessorPkg/Include/IndustryStandard/RiscVOpensbi.h
new file mode 100644
index 000000000000..7d3b4a371c2d
--- /dev/null
+++ b/Silicon/RISC-V/ProcessorPkg/Include/IndustryStandard/RiscVOpensbi.h
@@ -0,0 +1,81 @@
+/** @file
+ SBI inline function calls.
+
+ Copyright (c) 2020, Hewlett Packard Enterprise Development LP. All rights
reserved.<BR>
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef EDK2_SBI_H_
+#define EDK2_SBI_H_
+
+#include <RiscVImpl.h>
+#include <sbi/riscv_asm.h>
+#include <sbi/sbi_ecall_interface.h>
+#include <sbi/sbi_error.h>
+#include <sbi/sbi_platform.h>
+#include <sbi/sbi_scratch.h>
+#include <sbi/sbi_types.h>
+
+// Translation from OpenSBI constants to SBI names
+#define SBI_SUCCESS SBI_OK
+#define SBI_ERR_FAILED SBI_EFAIL
+#define SBI_ERR_NOT_SUPPORTED SBI_ENOTSUPP
+#define SBI_ERR_INVALID_PARAM SBI_EINVAL
+#define SBI_ERR_DENIED SBI_DENIED
+#define SBI_ERR_INVALID_ADDRESS SBI_INVALID_ADDR
+// Currently improperly defined in upstream OpenSBI
+#define SBI_ERR_ALREADY_AVAILABLE -6
+
+// Included in OpenSBI 0.7
+// Can be removed, once we upgrade
+#define SBI_EXT_HSM 0x48534D
+#define SBI_EXT_HSM_HART_START 0x0
+#define SBI_EXT_HSM_HART_STOP 0x1
+#define SBI_EXT_HSM_HART_GET_STATUS 0x2
+
+//
+// Below two definitions should be defined in OpenSBI.
+// Submitted to upstream, waiting for merge and release.
+//
+#define SBI_EXT_FIRMWARE_CODE_BASE_START 0x0A000000
+#define SBI_EXT_FIRMWARE_CODE_BASE_END 0x0AFFFFFF
+
+#define RISC_V_MAX_HART_SUPPORTED 16
+
+typedef
+VOID
+(EFIAPI *RISCV_HART_SWITCH_MODE)(
+ IN UINTN FuncArg0,
+ IN UINTN FuncArg1,
+ IN UINTN NextAddr,
+ IN UINTN NextMode,
+ IN BOOLEAN NextVirt
+ );
+
+//
+// Keep the structure member in 64-bit alignment.
+//
+typedef struct {
+ UINT64 IsaExtensionSupported; // The ISA extension this
core supported.
+ RISCV_UINT128 MachineVendorId; // Machine vendor ID
+ RISCV_UINT128 MachineArchId; // Machine Architecture ID
+ RISCV_UINT128 MachineImplId; // Machine Implementation ID
+ RISCV_HART_SWITCH_MODE HartSwitchMode; // OpenSBI's function to
switch the mode of a hart
+} EFI_RISCV_FIRMWARE_CONTEXT_HART_SPECIFIC;
+#define FIRMWARE_CONTEXT_HART_SPECIFIC_SIZE (64 * 8) // This is the size of
EFI_RISCV_FIRMWARE_CONTEXT_HART_SPECIFIC
+ // structure. Referred
by both C code and assembly code.
+
+typedef struct {
+ VOID *PeiServiceTable; // PEI Service table
+ EFI_RISCV_FIRMWARE_CONTEXT_HART_SPECIFIC
*HartSpecific[RISC_V_MAX_HART_SUPPORTED];
+} EFI_RISCV_OPENSBI_FIRMWARE_CONTEXT;
+
+//
+// Typedefs of OpenSBI type to make them conform to EDK2 coding guidelines
+//
+typedef struct sbi_scratch SBI_SCRATCH;
+typedef struct sbi_platform SBI_PLATFORM;
+
+#endif
diff --git a/Silicon/RISC-V/ProcessorPkg/Include/OpensbiTypes.h
b/Silicon/RISC-V/ProcessorPkg/Include/OpensbiTypes.h
new file mode 100644
index 000000000000..7f85d28193e1
--- /dev/null
+++ b/Silicon/RISC-V/ProcessorPkg/Include/OpensbiTypes.h
@@ -0,0 +1,75 @@
+/** @file
+ RISC-V OpesbSBI header file reference.
+
+ Copyright (c) 2020, Hewlett Packard Enterprise Development LP. All rights
reserved.<BR>
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+#ifndef EDK2_SBI_TYPES_H_
+#define EDK2_SBI_TYPES_H_
+
+#include <Base.h>
+
+typedef INT8 s8;
+typedef UINT8 u8;
+typedef UINT8 uint8_t;
+
+typedef INT16 s16;
+typedef UINT16 u16;
+typedef INT16 int16_t;
+typedef UINT16 uint16_t;
+
+typedef INT32 s32;
+typedef UINT32 u32;
+typedef INT32 int32_t;
+typedef UINT32 uint32_t;
+
+typedef INT64 s64;
+typedef UINT64 u64;
+typedef INT64 int64_t;
+typedef UINT64 uint64_t;
+
+// PRILX is not used in EDK2 but we need to define it here because when
+// defining our own types, this constant is not defined but used by OpenSBI.
+#define PRILX "016lx"
+
+typedef BOOLEAN bool;
+typedef unsigned long ulong;
+typedef UINT64 uintptr_t;
+typedef UINT64 size_t;
+typedef INT64 ssize_t;
+typedef UINT64 virtual_addr_t;
+typedef UINT64 virtual_size_t;
+typedef UINT64 physical_addr_t;
+typedef UINT64 physical_size_t;
+
+#define __packed __attribute__((packed))
+#define __noreturn __attribute__((noreturn))
+
+#if defined(__GNUC__) || defined(__clang__)
+ #define likely(x) __builtin_expect((x), 1)
+ #define unlikely(x) __builtin_expect((x), 0)
+#else
+ #define likely(x) (x)
+ #define unlikely(x) (x)
+#endif
+
+#undef offsetof
+#ifdef __compiler_offsetof
+#define offsetof(TYPE, MEMBER) __compiler_offsetof(TYPE,MEMBER)
+#else
+#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
+#endif
+
+#define container_of(ptr, type, member) ({ \
+ const typeof(((type *)0)->member) * __mptr = (ptr); \
+ (type *)((char *)__mptr - offsetof(type, member)); })
+
+#define CLAMP(a, lo, hi) MIN(MAX(a, lo), hi)
+#define ROUNDUP(a, b) ((((a)-1) / (b) + 1) * (b))
+#define ROUNDDOWN(a, b) ((a) / (b) * (b))
+
+/* clang-format on */
+
+#endif
--
2.26.1
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