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| author | Chao Li <lichao@loongson.cn> | 2021-11-19 18:06:06 +0800 |
|---|---|---|
| committer | mergify[bot] <37929162+mergify[bot]@users.noreply.github.com> | 2022-10-14 02:16:33 +0000 |
| commit | 76bf716a7ac588bf9e187f4411f55ce8d56f204c (patch) | |
| tree | eff9d00c791d042024042416b048ee70497ea588 /MdePkg/Include/LoongArch64 | |
| parent | b1b5177a0c9abb480a0f4a39f9a9aaf07b1b0810 (diff) | |
| download | edk2-76bf716a7ac588bf9e187f4411f55ce8d56f204c.tar.gz edk2-76bf716a7ac588bf9e187f4411f55ce8d56f204c.tar.bz2 edk2-76bf716a7ac588bf9e187f4411f55ce8d56f204c.zip | |
MdePkg: Add LoongArch LOONGARCH64 binding
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=4053
Add LOONGARCH64 sections in MdePkg.dec and LOONGARCH64 ProcessorBind.h
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Liming Gao <gaoliming@byosoft.com.cn>
Cc: Zhiguang Liu <zhiguang.liu@intel.com>
Signed-off-by: Chao Li <lichao@loongson.cn>
Co-authored-by: Baoqi Zhang <zhangbaoqi@loongson.cn>
Co-authored-by: Dongyan Qian <qiandongyan@loongson.cn>
Reviewed-by: Michael D Kinney <michael.d.kinney@intel.com>
Diffstat (limited to 'MdePkg/Include/LoongArch64')
| -rw-r--r-- | MdePkg/Include/LoongArch64/ProcessorBind.h | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/MdePkg/Include/LoongArch64/ProcessorBind.h b/MdePkg/Include/LoongArch64/ProcessorBind.h new file mode 100644 index 0000000000..502d479099 --- /dev/null +++ b/MdePkg/Include/LoongArch64/ProcessorBind.h @@ -0,0 +1,120 @@ +/** @file
+ Processor or Compiler specific defines and types for LoongArch
+
+ Copyright (c) 2022, Loongson Technology Corporation Limited. All rights reserved.<BR>
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef PROCESSOR_BIND_H_
+#define PROCESSOR_BIND_H_
+
+//
+// Define the processor type so other code can make processor based choices
+//
+#define MDE_CPU_LOONGARCH64
+
+#define EFIAPI
+
+//
+// Make sure we are using the correct packing rules per EFI specification
+//
+#ifndef __GNUC__
+ #pragma pack()
+#endif
+
+//
+// Assume standard LoongArch 64-bit alignment.
+// Need to check portability of long long
+//
+typedef unsigned long UINT64;
+typedef long INT64;
+typedef unsigned int UINT32;
+typedef int INT32;
+typedef unsigned short UINT16;
+typedef unsigned short CHAR16;
+typedef short INT16;
+typedef unsigned char BOOLEAN;
+typedef unsigned char UINT8;
+typedef char CHAR8;
+typedef char INT8;
+
+//
+// Unsigned value of native width. (4 bytes on supported 32-bit processor instructions,
+// 8 bytes on supported 64-bit processor instructions)
+//
+
+typedef UINT64 UINTN;
+
+//
+// Signed value of native width. (4 bytes on supported 32-bit processor instructions,
+// 8 bytes on supported 64-bit processor instructions)
+//
+typedef INT64 INTN;
+
+//
+// Processor specific defines
+//
+
+//
+// A value of native width with the highest bit set.
+//
+#define MAX_BIT 0x8000000000000000ULL
+//
+// A value of native width with the two highest bits set.
+//
+#define MAX_2_BITS 0xC000000000000000ULL
+
+//
+// Maximum legal LoongArch 64-bit address
+//
+#define MAX_ADDRESS 0xFFFFFFFFFFFFFFFFULL
+
+//
+// Maximum usable address at boot time (48 bits using 4KB pages)
+//
+#define MAX_ALLOC_ADDRESS 0xFFFFFFFFFFFFULL
+
+//
+// Maximum legal LoongArch 64-bit INTN and UINTN values.
+//
+#define MAX_INTN ((INTN)0x7FFFFFFFFFFFFFFFULL)
+#define MAX_UINTN ((UINTN)0xFFFFFFFFFFFFFFFFULL)
+
+//
+// Page allocation granularity for LoongArch
+//
+#define DEFAULT_PAGE_ALLOCATION_GRANULARITY (0x1000)
+#define RUNTIME_PAGE_ALLOCATION_GRANULARITY (0x10000)
+
+#if defined (__GNUC__)
+//
+// For GNU assembly code, .global or .globl can declare global symbols.
+// Define this macro to unify the usage.
+//
+#define ASM_GLOBAL .globl
+#endif
+
+//
+// The stack alignment required for LoongArch
+//
+#define CPU_STACK_ALIGNMENT 16
+
+/**
+ Return the pointer to the first instruction of a function given a function pointer.
+ On LOONGARCH CPU architectures, these two pointer values are the same,
+ so the implementation of this macro is very simple.
+
+ @param FunctionPointer A pointer to a function.
+
+ @return The pointer to the first instruction of a function given a function pointer.
+
+**/
+#define FUNCTION_ENTRY_POINT(FunctionPointer) (VOID *)(UINTN)(FunctionPointer)
+
+#ifndef __USER_LABEL_PREFIX__
+#define __USER_LABEL_PREFIX__
+#endif
+
+#endif
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