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 v8 03/37] MdePkg: Add LoongArch64 exception function set into BaseLib
Date: Fri, 26 Jan 2024 14:28:19 +0800 [thread overview]
Message-ID: <20240126062819.3100971-1-lichao@loongson.cn> (raw)
In-Reply-To: <20240126062715.3099433-1-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>
Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
---
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 ca0d06c7f3..7117c4288f 100644
--- a/MdePkg/Include/Library/BaseLib.h
+++ b/MdePkg/Include/Library/BaseLib.h
@@ -287,6 +287,26 @@ 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 6b46949be3..22b38b59e7 100644
--- a/MdePkg/Library/BaseLib/BaseLib.inf
+++ b/MdePkg/Library/BaseLib/BaseLib.inf
@@ -420,6 +420,7 @@
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
-=-=-=-=-=-=-=-=-=-=-=-
Groups.io Links: You receive all messages sent to this group.
View/Reply Online (#114529): https://edk2.groups.io/g/devel/message/114529
Mute This Topic: https://groups.io/mt/103971637/7686176
Group Owner: devel+owner@edk2.groups.io
Unsubscribe: https://edk2.groups.io/g/devel/unsub [rebecca@openfw.io]
-=-=-=-=-=-=-=-=-=-=-=-
next prev parent reply other threads:[~2024-01-26 6:28 UTC|newest]
Thread overview: 89+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-01-26 6:27 [edk2-devel] [PATCH v8 00/37] Enable LoongArch virtual machine in edk2 Chao Li
2024-01-26 6:27 ` [edk2-devel] [PATCH v8 01/37] MdePkg: Add the header file named Csr.h for LoongArch64 Chao Li
2024-01-26 6:28 ` [edk2-devel] [PATCH v8 02/37] MdePkg: Add LoongArch64 FPU function set into BaseCpuLib Chao Li
2024-01-26 6:28 ` Chao Li [this message]
2024-01-26 6:28 ` [edk2-devel] [PATCH v8 04/37] MdePkg: Add LoongArch64 local interrupt function set into BaseLib Chao Li
2024-01-26 6:28 ` [edk2-devel] [PATCH v8 05/37] MdePkg: Add LoongArch Cpucfg function Chao Li
2024-01-26 6:28 ` [edk2-devel] [PATCH v8 06/37] MdePkg: Add read stable counter operation for LoongArch Chao Li
2024-01-26 6:28 ` [edk2-devel] [PATCH v8 07/37] MdePkg: Add CSR " Chao Li
2024-01-26 6:28 ` [edk2-devel] [PATCH v8 08/37] MdePkg: Add IOCSR " Chao Li
2024-01-26 6:28 ` [edk2-devel] [PATCH v8 09/37] MdePkg: Add a new library named PeiServicesTablePointerLibKs0 Chao Li
2024-01-26 6:28 ` [edk2-devel] [PATCH v8 10/37] MdePkg: Add some comments for LoongArch exceptions Chao Li
2024-01-26 6:29 ` [edk2-devel] [PATCH v8 11/37] UefiCpuPkg: Add LoongArch64 CPU Timer instance Chao Li
2024-02-02 3:24 ` Ni, Ray
2024-02-02 3:38 ` Chao Li
2024-01-26 6:29 ` [edk2-devel] [PATCH v8 12/37] UefiCpuPkg: Add CPU exception library for LoongArch Chao Li
2024-02-02 3:30 ` Ni, Ray
2024-02-02 3:44 ` Chao Li
2024-02-02 4:30 ` Ni, Ray
2024-03-08 8:02 ` Chao Li
2024-01-26 6:29 ` [edk2-devel] [PATCH v8 13/37] UefiCpuPkg: Add CpuMmuLib.h to UefiCpuPkg Chao Li
2024-01-26 6:29 ` [edk2-devel] [PATCH v8 14/37] UefiCpuPkg: Add CpuMmuLib " Chao Li
2024-01-31 9:47 ` Laszlo Ersek
2024-02-01 7:57 ` Chao Li
2024-02-01 22:46 ` Laszlo Ersek
2024-02-02 3:30 ` Chao Li
2024-02-02 3:33 ` Ni, Ray
2024-02-02 3:50 ` Chao Li
2024-02-02 4:30 ` Ni, Ray
2024-03-01 1:26 ` Chao Li
2024-03-01 11:27 ` Laszlo Ersek
2024-03-04 3:39 ` Chao Li
2024-03-05 9:26 ` Laszlo Ersek
2024-03-05 11:50 ` Chao Li
2024-03-05 12:09 ` Laszlo Ersek
2024-03-05 12:12 ` Chao Li
[not found] ` <17B87F9FA8D0E543.14067@groups.io>
2024-03-01 1:53 ` Chao Li
2024-01-31 10:33 ` Pedro Falcato
2024-01-31 13:41 ` Laszlo Ersek
2024-01-31 17:46 ` Pedro Falcato
2024-02-01 3:05 ` Chao Li
2024-02-01 19:36 ` Pedro Falcato
2024-02-01 23:02 ` Laszlo Ersek
2024-02-02 15:14 ` Leif Lindholm
2024-02-04 2:58 ` Chao Li
[not found] ` <17B0898B4883051D.13964@groups.io>
2024-02-06 2:57 ` Chao Li
2024-02-06 14:32 ` Laszlo Ersek
2024-02-06 16:45 ` Pedro Falcato
2024-01-26 6:29 ` [edk2-devel] [PATCH v8 15/37] UefiCpuPkg: Add multiprocessor library for LoongArch64 Chao Li
2024-01-26 6:29 ` [edk2-devel] [PATCH v8 16/37] UefiCpuPkg: Add CpuDxe driver " Chao Li
2024-01-26 6:29 ` [edk2-devel] [PATCH v8 17/37] EmbeddedPkg: Add PcdPrePiCpuIoSize width for LOONGARCH64 Chao Li
2024-01-26 6:29 ` [edk2-devel] [PATCH v8 18/37] ArmVirtPkg: Move PCD of FDT base address and FDT padding to OvmfPkg Chao Li
2024-02-01 23:20 ` Laszlo Ersek
2024-01-26 6:29 ` [edk2-devel] [PATCH v8 19/37] UefiCpuPkg: Add a new CPU IO 2 driver named CpuMmio2Dxe Chao Li
2024-01-26 6:29 ` [edk2-devel] [PATCH v8 20/37] ArmVirtPkg: Enable CpuMmio2Dxe Chao Li
2024-02-01 22:19 ` Laszlo Ersek
2024-01-26 6:30 ` [edk2-devel] [PATCH v8 21/37] OvmfPkg/RiscVVirt: " Chao Li
2024-01-26 6:30 ` [edk2-devel] [PATCH v8 22/37] OvmfPkg/RiscVVirt: Remove PciCpuIo2Dxe from RiscVVirt Chao Li
2024-01-26 6:30 ` [edk2-devel] [PATCH v8 23/37] ArmVirtPkg: Move the FdtSerialPortAddressLib to OvmfPkg Chao Li
2024-01-29 19:27 ` Laszlo Ersek
2024-01-26 6:30 ` [edk2-devel] [PATCH v8 24/37] ArmVirtPkg: Move two PCD variables into OvmfPkg Chao Li
2024-01-29 19:49 ` Laszlo Ersek
2024-01-30 1:24 ` Chao Li
2024-01-30 16:45 ` Laszlo Ersek
2024-01-31 1:30 ` Chao Li
2024-01-26 6:30 ` [edk2-devel] [PATCH v8 25/37] ArmVirtPkg: Move PlatformBootManagerLib to OvmfPkg Chao Li
2024-01-29 19:51 ` Laszlo Ersek
2024-01-26 6:30 ` [edk2-devel] [PATCH v8 26/37] OvmfPkg/LoongArchVirt: Add stable timer driver Chao Li
2024-01-26 6:30 ` [edk2-devel] [PATCH v8 27/37] OvmfPkg/LoongArchVirt: Add a NULL library named CollectApResouceLibNull Chao Li
2024-01-26 6:30 ` [edk2-devel] [PATCH v8 28/37] OvmfPkg/LoongArchVirt: Add serial port hook library Chao Li
2024-01-26 6:30 ` [edk2-devel] [PATCH v8 29/37] OvmfPkg/LoongArchVirt: Add the early serial port output library Chao Li
2024-01-26 6:30 ` [edk2-devel] [PATCH v8 30/37] OvmfPkg/LoongArchVirt: Add real time clock library Chao Li
2024-01-26 6:30 ` [edk2-devel] [PATCH v8 31/37] OvmfPkg/LoongArchVirt: Add NorFlashQemuLib Chao Li
2024-01-26 6:30 ` [edk2-devel] [PATCH v8 32/37] OvmfPkg/LoongArchVirt: Add FdtQemuFwCfgLib Chao Li
2024-01-26 6:31 ` [edk2-devel] [PATCH v8 33/37] OvmfPkg/LoongArchVirt: Add reset system library Chao Li
2024-01-26 6:31 ` [edk2-devel] [PATCH v8 34/37] OvmfPkg/LoongArchVirt: Support SEC phase Chao Li
2024-01-26 6:31 ` [edk2-devel] [PATCH v8 35/37] OvmfPkg/LoongArchVirt: Support PEI phase Chao Li
2024-01-26 6:31 ` [edk2-devel] [PATCH v8 36/37] OvmfPkg/LoongArchVirt: Add build file Chao Li
2024-01-26 6:31 ` [edk2-devel] [PATCH v8 37/37] OvmfPkg/LoongArchVirt: Add self introduction file Chao Li
[not found] ` <17ADD1D5A196C454.24595@groups.io>
2024-01-31 3:30 ` [edk2-devel] [PATCH v8 11/37] UefiCpuPkg: Add LoongArch64 CPU Timer instance Chao Li
[not found] ` <17AF510405DE784C.15701@groups.io>
2024-01-31 5:28 ` Chao Li
2024-01-31 10:47 ` Laszlo Ersek
[not found] ` <17ADD1D7001C37D6.11113@groups.io>
2024-01-31 3:31 ` [edk2-devel] [PATCH v8 12/37] UefiCpuPkg: Add CPU exception library for LoongArch Chao Li
[not found] ` <17AF510933F4B8FA.15701@groups.io>
2024-01-31 5:29 ` Chao Li
[not found] ` <17ADD1D9CA04F352.11113@groups.io>
2024-01-31 3:31 ` [edk2-devel] [PATCH v8 14/37] UefiCpuPkg: Add CpuMmuLib to UefiCpuPkg Chao Li
[not found] ` <17AF511188DE2475.15701@groups.io>
2024-01-31 5:32 ` Chao Li
[not found] ` <17ADD1DB56FC4702.24595@groups.io>
2024-01-31 3:32 ` [edk2-devel] [PATCH v8 15/37] UefiCpuPkg: Add multiprocessor library for LoongArch64 Chao Li
[not found] ` <17AF511741BD9C8B.15701@groups.io>
2024-01-31 5:33 ` Chao Li
[not found] ` <17ADD1DCBDD4B7FE.11113@groups.io>
2024-01-31 3:32 ` [edk2-devel] [PATCH v8 16/37] UefiCpuPkg: Add CpuDxe driver " Chao Li
[not found] ` <17AF511F29808828.16460@groups.io>
2024-01-31 5:33 ` Chao Li
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-list from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20240126062819.3100971-1-lichao@loongson.cn \
--to=devel@edk2.groups.io \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox