From: "Chao Li" <lichao@loongson.cn>
To: devel@edk2.groups.io
Cc: Michael D Kinney <michael.d.kinney@intel.com>,
Liming Gao <gaoliming@byosoft.com.cn>,
Zhiguang Liu <zhiguang.liu@intel.com>
Subject: [edk2-devel] [PATCH v5 03/36] MdePkg: Add LoongArch64 exception function set into BaseLib
Date: Thu, 28 Dec 2023 18:04:53 +0800 [thread overview]
Message-ID: <20231228100453.1756601-1-lichao@loongson.cn> (raw)
In-Reply-To: <20231228100351.1756165-1-lichao@loongson.cn>
Adding SetExceptionBaseAddress and SetTlbRebaseAddress 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>
---
MdePkg/Include/Library/BaseLib.h | 20 +++++++++
MdePkg/Library/BaseLib/BaseLib.inf | 1 +
.../BaseLib/LoongArch64/ExceptionBase.S | 41 +++++++++++++++++++
3 files changed, 62 insertions(+)
create mode 100644 MdePkg/Library/BaseLib/LoongArch64/ExceptionBase.S
diff --git a/MdePkg/Include/Library/BaseLib.h b/MdePkg/Include/Library/BaseLib.h
index b71e47f41b..152e95f34d 100644
--- a/MdePkg/Include/Library/BaseLib.h
+++ b/MdePkg/Include/Library/BaseLib.h
@@ -282,6 +282,26 @@ typedef struct {
#define BASE_LIBRARY_JUMP_BUFFER_ALIGNMENT 8
+/*
+ * Set the exception base address for LoongArch.
+ *
+ * @param ExceptionBaseAddress The exception base address, must be aligned greater than or qeual to 4K .
+ */
+VOID
+SetExceptionBaseAddress (
+ IN UINT64
+ );
+
+/*
+ * Set the TlbRebase address for LoongArch.
+ *
+ * @param TlbRebaseAddress The TlbRebase address, must be aligned greater than or qeual to 4K .
+ */
+VOID
+SetTlbRebaseAddress (
+ IN UINT64
+ );
+
#endif // defined (MDE_CPU_LOONGARCH64)
//
diff --git a/MdePkg/Library/BaseLib/BaseLib.inf b/MdePkg/Library/BaseLib/BaseLib.inf
index 5338938944..bb6be25a93 100644
--- a/MdePkg/Library/BaseLib/BaseLib.inf
+++ b/MdePkg/Library/BaseLib/BaseLib.inf
@@ -419,6 +419,7 @@
LoongArch64/CpuPause.S | GCC
LoongArch64/SetJumpLongJump.S | GCC
LoongArch64/SwitchStack.S | GCC
+ LoongArch64/ExceptionBase.S | GCC
[Packages]
MdePkg/MdePkg.dec
diff --git a/MdePkg/Library/BaseLib/LoongArch64/ExceptionBase.S b/MdePkg/Library/BaseLib/LoongArch64/ExceptionBase.S
new file mode 100644
index 0000000000..b6e90a8f28
--- /dev/null
+++ b/MdePkg/Library/BaseLib/LoongArch64/ExceptionBase.S
@@ -0,0 +1,41 @@
+#------------------------------------------------------------------------------
+#
+# LoongArch set exception base address operations
+#
+# Copyright (c) 2024, Loongson Technology Corporation Limited. All rights reserved.<BR>
+#
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+#------------------------------------------------------------------------------
+
+#include <Base.h>
+#include <Register/LoongArch64/Csr.h>
+
+ASM_GLOBAL ASM_PFX(SetExceptionBaseAddress)
+ASM_GLOBAL ASM_PFX(SetTlbRebaseAddress)
+
+#/**
+# Set the exception base address for LoongArch.
+#
+# @param ExceptionBaseAddress The exception base address, must be aligned greater than or qeual to 4K .
+#**/
+ASM_PFX(SetExceptionBaseAddress):
+ csrrd $t0, LOONGARCH_CSR_ECFG
+ li.d $t1, ~(BIT16 | BIT17 | BIT18)
+ and $t0, $t0, $t1
+ csrwr $t0, LOONGARCH_CSR_ECFG
+
+ move $t0, $a0
+ csrwr $t0, LOONGARCH_CSR_EBASE
+ jirl $zero, $ra, 0
+
+#/**
+# Set the TlbRebase address for LoongArch.
+#
+# @param TlbRebaseAddress The TlbRebase address, must be aligned greater than or qeual to 4K .
+#**/
+ASM_PFX(SetTlbRebaseAddress):
+ move $t0, $a0
+ csrwr $t0, LOONGARCH_CSR_TLBREBASE
+ jirl $zero, $ra, 0
+.end
--
2.27.0
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next prev parent reply other threads:[~2023-12-28 10:05 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-28 10:03 [edk2-devel] [PATCH v5 00/36] Enable LoongArch virtual machine in edk2 Chao Li
2023-12-28 10:04 ` [edk2-devel] [PATCH v5 01/36] MdePkg: Add the header file named Csr.h for LoongArch64 Chao Li
2023-12-28 10:04 ` [edk2-devel] [PATCH v5 02/36] MdePkg: Add LoongArch64 FPU function set into BaseCpuLib Chao Li
2023-12-28 10:04 ` Chao Li [this message]
2023-12-28 10:05 ` [edk2-devel] [PATCH v5 04/36] MdePkg: Add LoongArch64 local interrupt function set into BaseLib Chao Li
2023-12-28 10:05 ` [edk2-devel] [PATCH v5 06/36] MdePkg: Add read stable counter operation for LoongArch Chao Li
2023-12-28 10:05 ` [edk2-devel] [PATCH v5 07/36] MdePkg: Add CSR " Chao Li
2023-12-28 10:05 ` [edk2-devel] [PATCH v5 08/36] MdePkg: Add IOCSR " Chao Li
2023-12-28 10:05 ` [edk2-devel] [PATCH v5 09/36] MdePkg: Add a new library named PeiServicesTablePointerLibKs0 Chao Li
2023-12-28 10:05 ` [edk2-devel] [PATCH v5 10/36] UefiCpuPkg: Add LoongArch64 CPU Timer library Chao Li
2023-12-28 10:05 ` [edk2-devel] [PATCH v5 11/36] UefiCpuPkg: Add CPU exception library for LoongArch Chao Li
2023-12-28 10:05 ` [edk2-devel] [PATCH v5 12/36] UefiCpuPkg: Add CpuMmuLib.h to UefiCpuPkg Chao Li
2023-12-28 10:06 ` [edk2-devel] [PATCH v5 13/36] UefiCpuPkg: Add LoongArch64CpuMmuLib " Chao Li
2023-12-28 10:06 ` [edk2-devel] [PATCH v5 14/36] UefiCpuPkg: Add multiprocessor library for LoongArch64 Chao Li
2023-12-28 10:06 ` [edk2-devel] [PATCH v5 15/36] UefiCpuPkg: Add CpuDxe driver " Chao Li
2023-12-28 10:06 ` [edk2-devel] [PATCH v5 16/36] EmbeddedPkg: Add PcdPrePiCpuIoSize width for LOONGARCH64 Chao Li
2023-12-28 10:06 ` [edk2-devel] [PATCH v5 17/36] ArmVirtPkg: Move PCD of FDT base address and FDT padding to OvmfPkg Chao Li
2023-12-28 10:06 ` [edk2-devel] [PATCH v5 18/36] UefiCpuPkg: Add a new CPU IO 2 driver named CpuMmio2Dxe Chao Li
2023-12-28 10:06 ` [edk2-devel] [PATCH v5 19/36] ArmVirtPkg: Enable CpuMmio2Dxe Chao Li
2023-12-28 10:06 ` [edk2-devel] [PATCH v5 20/36] OvmfPkg/RiscVVirt: " Chao Li
2023-12-28 10:06 ` [edk2-devel] [PATCH v5 21/36] OvmfPkg/RiscVVirt: Remove PciCpuIo2Dxe from RiscVVirt Chao Li
2023-12-28 10:06 ` [edk2-devel] [PATCH v5 22/36] ArmVirtPkg: Move the FdtSerialPortAddressLib to OvmfPkg Chao Li
2023-12-28 10:06 ` [edk2-devel] [PATCH v5 23/36] ArmVirtPkg: Move PcdTerminalTypeGuidBuffer and PcdUninstallMemAttrProtocol into OvmfPkg Chao Li
2023-12-28 10:07 ` [edk2-devel] [PATCH v5 24/36] ArmVirtPkg: Move PlatformBootManagerLib to OvmfPkg Chao Li
2023-12-28 10:07 ` [edk2-devel] [PATCH v5 25/36] OvmfPkg/LoongArchVirt: Add stable timer driver Chao Li
2023-12-28 10:07 ` [edk2-devel] [PATCH v5 26/36] OvmfPkg/LoongArchVirt: Add a NULL library named CollectApResouceLibNull Chao Li
2023-12-28 10:07 ` [edk2-devel] [PATCH v5 27/36] OvmfPkg/LoongArchVirt: Add serial port hook library Chao Li
2024-01-03 10:07 ` maobibo
2023-12-28 10:07 ` [edk2-devel] [PATCH v5 28/36] OvmfPkg/LoongArchVirt: Add the early serial port output library Chao Li
2023-12-28 10:07 ` [edk2-devel] [PATCH v5 29/36] OvmfPkg/LoongArchVirt: Add real time clock library Chao Li
2024-01-03 10:07 ` maobibo
2023-12-28 10:07 ` [edk2-devel] [PATCH v5 30/36] OvmfPkg/LoongArchVirt: Add NorFlashQemuLib Chao Li
2023-12-28 10:07 ` [edk2-devel] [PATCH v5 31/36] OvmfPkg/LoongArchVirt: Add FdtQemuFwCfgLib Chao Li
2023-12-28 10:07 ` [edk2-devel] [PATCH v5 32/36] OvmfPkg/LoongArchVirt: Add reset system library Chao Li
2024-01-04 1:28 ` maobibo
2023-12-28 10:07 ` [edk2-devel] [PATCH v5 33/36] OvmfPkg/LoongArchVirt: Support SEC phase Chao Li
2024-01-04 1:49 ` maobibo
2024-01-04 6:28 ` Chao Li
2023-12-28 10:07 ` [edk2-devel] [PATCH v5 34/36] OvmfPkg/LoongArchVirt: Support PEI phase Chao Li
2024-01-03 8:12 ` maobibo
2023-12-28 10:07 ` [edk2-devel] [PATCH v5 35/36] OvmfPkg/LoongArchVirt: Add build file Chao Li
2023-12-28 10:08 ` [edk2-devel] [PATCH v5 36/36] OvmfPkg/LoongArchVirt: Add self introduction file Chao Li
[not found] ` <17A4F6E18EBFD408.18542@groups.io>
2023-12-29 6:27 ` [edk2-devel] [PATCH v5 20/36] OvmfPkg/RiscVVirt: Enable CpuMmio2Dxe Chao Li
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