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 10/19] MdePkg: Add some comments for LoongArch exceptions
Date: Fri, 2 Feb 2024 10:28:10 +0800 [thread overview]
Message-ID: <20240202022810.2445018-1-lichao@loongson.cn> (raw)
In-Reply-To: <20240202022637.2444159-1-lichao@loongson.cn>
Added some comments for registing LoongArch exceptions.
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>
Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
---
MdePkg/Include/Protocol/DebugSupport.h | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/MdePkg/Include/Protocol/DebugSupport.h b/MdePkg/Include/Protocol/DebugSupport.h
index 9742663619..06f99ba7f7 100644
--- a/MdePkg/Include/Protocol/DebugSupport.h
+++ b/MdePkg/Include/Protocol/DebugSupport.h
@@ -683,6 +683,20 @@ typedef struct {
//
// LoongArch processor exception types.
//
+// The exception types is located in the CSR ESTAT
+// register offset 16 bits, width 6 bits.
+//
+// If you want to register an exception hook, you can
+// shfit the number left by 16 bits, and the exception
+// handler will know the types.
+//
+// For example:
+// mCpu->CpuRegisterInterruptHandler (
+// mCpu,
+// (EXCEPT_LOONGARCH_PPI << CSR_ESTAT_EXC_SHIFT),
+// PpiExceptionHandler
+// );
+//
#define EXCEPT_LOONGARCH_INT 0
#define EXCEPT_LOONGARCH_PIL 1
#define EXCEPT_LOONGARCH_PIS 2
--
2.27.0
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next prev parent reply other threads:[~2024-02-02 2:28 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 ` [edk2-devel] [PATCH v1 04/19] MdePkg: Add LoongArch64 local interrupt " Chao Li
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 ` Chao Li [this message]
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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