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| author | Chao Li <lichao@loongson.cn> | 2024-01-03 10:27:56 +0800 |
|---|---|---|
| committer | Liming Gao <gaoliming@byosoft.com.cn> | 2024-02-06 23:51:47 +0800 |
| commit | e5b50731539a419421ffe330dc3222d6a1d73c3d (patch) | |
| tree | 1136977e0c7d399cd7773db33d166ef821149f79 /MdePkg/Include/Library/CpuLib.h | |
| parent | 9e1576bc10e6de364fbb285985cafc2ef403da74 (diff) | |
| download | edk2-e5b50731539a419421ffe330dc3222d6a1d73c3d.tar.gz edk2-e5b50731539a419421ffe330dc3222d6a1d73c3d.tar.bz2 edk2-e5b50731539a419421ffe330dc3222d6a1d73c3d.zip | |
MdePkg: Add LoongArch64 FPU function set into BaseCpuLib
Adding InitializeFloatingPointUnits, EnableFloatingPointUnits and
DisableFloatingPointUnits functions for LoongArch64.
BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=4584
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>
Acked-by: Michael D Kinney <michael.d.kinney@intel.com>
Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
Diffstat (limited to 'MdePkg/Include/Library/CpuLib.h')
| -rw-r--r-- | MdePkg/Include/Library/CpuLib.h | 43 |
1 files changed, 38 insertions, 5 deletions
diff --git a/MdePkg/Include/Library/CpuLib.h b/MdePkg/Include/Library/CpuLib.h index 3f29937dc7..27f3f82ab9 100644 --- a/MdePkg/Include/Library/CpuLib.h +++ b/MdePkg/Include/Library/CpuLib.h @@ -8,6 +8,7 @@ As a result, these services could not be defined in the Base Library.
Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2024, Loongson Technology Corporation Limited. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
@@ -41,14 +42,16 @@ CpuFlushTlb ( VOID
);
-#if defined (MDE_CPU_IA32) || defined (MDE_CPU_X64)
+#if defined (MDE_CPU_IA32) || defined (MDE_CPU_X64) || defined (MDE_CPU_LOONGARCH64)
/**
+ Initialize the CPU floating point units.
+
Initializes floating point units for requirement of UEFI specification.
- This function initializes floating-point control word to 0x027F (all exceptions
- masked,double-precision, round-to-nearest) and multimedia-extensions control word
- (if supported) to 0x1F80 (all exceptions masked, round-to-nearest, flush to zero
- for masked underflow).
+ For IA32 and X64, this function initializes floating-point control word to 0x027F
+ (all exceptions masked,double-precision, round-to-nearest) and multimedia-extensions
+ control word (if supported) to 0x1F80 (all exceptions masked, round-to-nearest,
+ flush to zero for masked underflow).
**/
VOID
EFIAPI
@@ -56,6 +59,10 @@ InitializeFloatingPointUnits ( VOID
);
+#endif
+
+#if defined (MDE_CPU_IA32) || defined (MDE_CPU_X64)
+
/**
Determine if the standard CPU signature is "AuthenticAMD".
@retval TRUE The CPU signature matches.
@@ -89,4 +96,30 @@ GetCpuSteppingId ( #endif
+#if defined (MDE_CPU_LOONGARCH64)
+
+/**
+ Enable the CPU floating point units.
+
+ Enable the CPU floating point units.
+**/
+VOID
+EFIAPI
+EnableFloatingPointUnits (
+ VOID
+ );
+
+/**
+ Disable the CPU floating point units.
+
+ Disable the CPU floating point units.
+**/
+VOID
+EFIAPI
+DisableFloatingPointUnits (
+ VOID
+ );
+
+#endif
+
#endif
|