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 v1 04/19] MdePkg: Add LoongArch64 local interrupt function set into BaseLib
Date: Fri, 2 Feb 2024 10:27:40 +0800 [thread overview]
Message-ID: <20240202022740.2444582-1-lichao@loongson.cn> (raw)
In-Reply-To: <20240202022637.2444159-1-lichao@loongson.cn>
Adding LoongArch local interrupt function set, which is used to control
the opening or closing of the local interrupt when the global interrupt
is enabled.
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 +++++++++++++++++
.../BaseLib/LoongArch64/DisableInterrupts.S | 22 ++++++++++++++-----
.../BaseLib/LoongArch64/EnableInterrupts.S | 22 ++++++++++++++-----
3 files changed, 54 insertions(+), 10 deletions(-)
diff --git a/MdePkg/Include/Library/BaseLib.h b/MdePkg/Include/Library/BaseLib.h
index 7117c4288f..91322d2dfa 100644
--- a/MdePkg/Include/Library/BaseLib.h
+++ b/MdePkg/Include/Library/BaseLib.h
@@ -307,6 +307,26 @@ SetTlbRebaseAddress (
IN UINT64
);
+/**
+ Enables local CPU interrupts.
+
+ @param Needs to enable local interrupt bit.
+**/
+VOID
+EnableLocalInterrupts (
+ IN UINT16
+ );
+
+/**
+ Disables local CPU interrupts.
+
+ @param Needs to disable local interrupt bit.
+**/
+VOID
+DisableLocalInterrupts (
+ IN UINT16
+ );
+
#endif // defined (MDE_CPU_LOONGARCH64)
//
diff --git a/MdePkg/Library/BaseLib/LoongArch64/DisableInterrupts.S b/MdePkg/Library/BaseLib/LoongArch64/DisableInterrupts.S
index 0f228339af..8f9ee888b1 100644
--- a/MdePkg/Library/BaseLib/LoongArch64/DisableInterrupts.S
+++ b/MdePkg/Library/BaseLib/LoongArch64/DisableInterrupts.S
@@ -1,21 +1,33 @@
#------------------------------------------------------------------------------
#
-# LoongArch interrupt disable
+# LoongArch interrupt disable operations
#
-# Copyright (c) 2022, Loongson Technology Corporation Limited. All rights reserved.<BR>
+# 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(DisableLocalInterrupts)
ASM_GLOBAL ASM_PFX(DisableInterrupts)
#/**
-# Disables CPU interrupts.
+# Disables local CPU interrupts.
+#
+# @param Needs to disable local interrupt bit.
#**/
+ASM_PFX(DisableLocalInterrupts):
+ csrxchg $zero, $a0, LOONGARCH_CSR_ECFG
+ jirl $zero, $ra, 0
+#/**
+# Disables global CPU interrupts.
+#**/
ASM_PFX(DisableInterrupts):
- li.w $t0, 0x4
- csrxchg $zero, $t0, 0x0
+ li.w $t0, BIT2
+ csrxchg $zero, $t0, LOONGARCH_CSR_CRMD
jirl $zero, $ra, 0
.end
diff --git a/MdePkg/Library/BaseLib/LoongArch64/EnableInterrupts.S b/MdePkg/Library/BaseLib/LoongArch64/EnableInterrupts.S
index 3c34fb2cdd..126c7b49b3 100644
--- a/MdePkg/Library/BaseLib/LoongArch64/EnableInterrupts.S
+++ b/MdePkg/Library/BaseLib/LoongArch64/EnableInterrupts.S
@@ -1,21 +1,33 @@
#------------------------------------------------------------------------------
#
-# LoongArch interrupt enable
+# LoongArch interrupt enable operations
#
-# Copyright (c) 2022, Loongson Technology Corporation Limited. All rights reserved.<BR>
+# 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(EnableLocalInterrupts)
ASM_GLOBAL ASM_PFX(EnableInterrupts)
#/**
-# Enables CPU interrupts.
+# Enables local CPU interrupts.
+#
+# @param Needs to enable local interrupt bit.
#**/
+ASM_PFX(EnableLocalInterrupts):
+ csrxchg $a0, $a0, LOONGARCH_CSR_ECFG
+ jirl $zero, $ra, 0
+#/**
+# Enables global CPU interrupts.
+#**/
ASM_PFX(EnableInterrupts):
- li.w $t0, 0x4
- csrxchg $t0, $t0, 0x0
+ li.w $t0, BIT2
+ csrxchg $t0, $t0, LOONGARCH_CSR_CRMD
jirl $zero, $ra, 0
.end
--
2.27.0
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next prev parent reply other threads:[~2024-02-02 2:27 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-02 2:26 [edk2-devel] [PATCH v1 00/19] Add LoongArch helper functions and defines Chao Li
2024-02-02 2:27 ` [edk2-devel] [PATCH v1 01/19] MdePkg: Add the header file named Csr.h for LoongArch64 Chao Li
2024-02-02 2:27 ` [edk2-devel] [PATCH v1 02/19] MdePkg: Add LoongArch64 FPU function set into BaseCpuLib Chao Li
2024-02-02 2:27 ` [edk2-devel] [PATCH v1 03/19] MdePkg: Add LoongArch64 exception function set into BaseLib Chao Li
2024-02-02 2:27 ` Chao Li [this message]
2024-02-02 2:27 ` [edk2-devel] [PATCH v1 05/19] MdePkg: Add LoongArch Cpucfg function Chao Li
2024-02-02 2:27 ` [edk2-devel] [PATCH v1 06/19] MdePkg: Add read stable counter operation for LoongArch Chao Li
2024-02-02 2:27 ` [edk2-devel] [PATCH v1 07/19] MdePkg: Add CSR " Chao Li
2024-02-02 2:28 ` [edk2-devel] [PATCH v1 08/19] MdePkg: Add IOCSR " Chao Li
2024-02-02 2:28 ` [edk2-devel] [PATCH v1 09/19] MdePkg: Add a new library named PeiServicesTablePointerLibKs0 Chao Li
2024-02-02 2:28 ` [edk2-devel] [PATCH v1 10/19] MdePkg: Add some comments for LoongArch exceptions Chao Li
2024-02-02 2:28 ` [edk2-devel] [PATCH v1 11/19] EmbeddedPkg: Add PcdPrePiCpuIoSize width for LOONGARCH64 Chao Li
2024-02-02 2:28 ` [edk2-devel] [PATCH v1 12/19] ArmVirtPkg: Move PCD of FDT base address and FDT padding to OvmfPkg Chao Li
2024-02-02 2:28 ` [edk2-devel] [PATCH v1 13/19] UefiCpuPkg: Add a new CPU IO 2 driver named CpuMmio2Dxe Chao Li
2024-02-02 2:28 ` [edk2-devel] [PATCH v1 14/19] ArmVirtPkg: Enable CpuMmio2Dxe Chao Li
2024-02-02 2:28 ` [edk2-devel] [PATCH v1 15/19] OvmfPkg/RiscVVirt: " Chao Li
2024-02-02 2:28 ` [edk2-devel] [PATCH v1 16/19] OvmfPkg/RiscVVirt: Remove PciCpuIo2Dxe from RiscVVirt Chao Li
2024-02-02 2:28 ` [edk2-devel] [PATCH v1 17/19] ArmVirtPkg: Move the FdtSerialPortAddressLib to OvmfPkg Chao Li
2024-02-02 2:28 ` [edk2-devel] [PATCH v1 18/19] ArmVirtPkg: Move two PCD variables into OvmfPkg Chao Li
2024-02-02 2:29 ` [edk2-devel] [PATCH v1 19/19] ArmVirtPkg: Move PlatformBootManagerLib to OvmfPkg Chao Li
2024-02-02 14:56 ` [edk2-devel] [PATCH v1 00/19] Add LoongArch helper functions and defines Laszlo Ersek
2024-02-02 15:17 ` Ni, Ray
2024-02-02 16:14 ` Laszlo Ersek
2024-02-04 3:16 ` Chao Li
2024-02-05 7:34 ` Laszlo Ersek
2024-02-05 9:11 ` Chao Li
2024-02-06 15:52 ` 回复: " gaoliming via groups.io
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