From: "Sunil V L" <sunilvl@ventanamicro.com>
To: devel@edk2.groups.io
Cc: Eric Dong <eric.dong@intel.com>, Ray Ni <ray.ni@intel.com>,
Rahul Kumar <rahul1.kumar@intel.com>,
Daniel Schaefer <git@danielschaefer.me>
Subject: [edk2-staging/RiscV64QemuVirt PATCH V2 16/33] UefiCpuPkg/CpuExceptionHandlerLib: Add support for RISC-V
Date: Wed, 12 Oct 2022 16:14:39 +0530 [thread overview]
Message-ID: <20221012104456.1393376-17-sunilvl@ventanamicro.com> (raw)
In-Reply-To: <20221012104456.1393376-1-sunilvl@ventanamicro.com>
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=4076
Cc: Eric Dong <eric.dong@intel.com>
Cc: Ray Ni <ray.ni@intel.com>
Cc: Rahul Kumar <rahul1.kumar@intel.com>
Cc: Daniel Schaefer <git@danielschaefer.me>
Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
---
.../DxeCpuExceptionHandlerLib.inf | 7 +-
.../SecPeiCpuExceptionHandlerLib.inf | 7 +-
.../RiscV64/CpuExceptionHandlerLib.h | 116 +++++++++++++++
.../RiscV64/CpuExceptionHandlerLib.c | 133 ++++++++++++++++++
.../RiscV64/SupervisorTrapHandler.S | 105 ++++++++++++++
5 files changed, 366 insertions(+), 2 deletions(-)
create mode 100644 UefiCpuPkg/Library/CpuExceptionHandlerLib/RiscV64/CpuExceptionHandlerLib.h
create mode 100644 UefiCpuPkg/Library/CpuExceptionHandlerLib/RiscV64/CpuExceptionHandlerLib.c
create mode 100644 UefiCpuPkg/Library/CpuExceptionHandlerLib/RiscV64/SupervisorTrapHandler.S
diff --git a/UefiCpuPkg/Library/CpuExceptionHandlerLib/DxeCpuExceptionHandlerLib.inf b/UefiCpuPkg/Library/CpuExceptionHandlerLib/DxeCpuExceptionHandlerLib.inf
index ef07b05c080a..b689e7af56e7 100644
--- a/UefiCpuPkg/Library/CpuExceptionHandlerLib/DxeCpuExceptionHandlerLib.inf
+++ b/UefiCpuPkg/Library/CpuExceptionHandlerLib/DxeCpuExceptionHandlerLib.inf
@@ -18,7 +18,7 @@ [Defines]
#
# The following information is for reference only and not required by the build tools.
#
-# VALID_ARCHITECTURES = IA32 X64
+# VALID_ARCHITECTURES = IA32 X64 RISCV64
#
[Sources.Ia32]
@@ -38,6 +38,11 @@ [Sources.IA32, Sources.X64]
Ia32_X64/PeiDxeSmmCpuException.c
Ia32_X64/DxeException.c
+[Sources.RISCV64]
+ RiscV64/SupervisorTrapHandler.S
+ RiscV64/CpuExceptionHandlerLib.c
+ RiscV64/CpuExceptionHandlerLib.h
+
[Pcd]
gEfiMdeModulePkgTokenSpaceGuid.PcdCpuStackGuard
gUefiCpuPkgTokenSpaceGuid.PcdCpuStackSwitchExceptionList
diff --git a/UefiCpuPkg/Library/CpuExceptionHandlerLib/SecPeiCpuExceptionHandlerLib.inf b/UefiCpuPkg/Library/CpuExceptionHandlerLib/SecPeiCpuExceptionHandlerLib.inf
index 28341abd4493..b490ef5aff8a 100644
--- a/UefiCpuPkg/Library/CpuExceptionHandlerLib/SecPeiCpuExceptionHandlerLib.inf
+++ b/UefiCpuPkg/Library/CpuExceptionHandlerLib/SecPeiCpuExceptionHandlerLib.inf
@@ -18,7 +18,7 @@ [Defines]
#
# The following information is for reference only and not required by the build tools.
#
-# VALID_ARCHITECTURES = IA32 X64
+# VALID_ARCHITECTURES = IA32 X64 RISCV64
#
[Sources.Ia32]
@@ -37,6 +37,11 @@ [Sources.IA32, Sources.X64]
Ia32_X64/CpuExceptionCommon.c
Ia32_X64/SecPeiCpuException.c
+[Sources.RISCV64]
+ RiscV64/SupervisorTrapHandler.S
+ RiscV64/CpuExceptionHandlerLib.c
+ RiscV64/CpuExceptionHandlerLib.h
+
[Packages]
MdePkg/MdePkg.dec
MdeModulePkg/MdeModulePkg.dec
diff --git a/UefiCpuPkg/Library/CpuExceptionHandlerLib/RiscV64/CpuExceptionHandlerLib.h b/UefiCpuPkg/Library/CpuExceptionHandlerLib/RiscV64/CpuExceptionHandlerLib.h
new file mode 100644
index 000000000000..30f47e87552b
--- /dev/null
+++ b/UefiCpuPkg/Library/CpuExceptionHandlerLib/RiscV64/CpuExceptionHandlerLib.h
@@ -0,0 +1,116 @@
+/** @file
+
+ RISC-V Exception Handler library definition file.
+
+ Copyright (c) 2019-2022, Hewlett Packard Enterprise Development LP. All rights reserved.<BR>
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef RISCV_CPU_EXECPTION_HANDLER_LIB_H_
+#define RISCV_CPU_EXECPTION_HANDLER_LIB_H_
+
+#include <Register/RiscV64/RiscVImpl.h>
+
+/**
+ Trap Handler for S-mode
+
+**/
+VOID
+SupervisorModeTrap (
+ VOID
+ );
+
+//
+// Index of SMode trap register
+//
+#define SMODE_TRAP_REGS_zero 0
+#define SMODE_TRAP_REGS_ra 1
+#define SMODE_TRAP_REGS_sp 2
+#define SMODE_TRAP_REGS_gp 3
+#define SMODE_TRAP_REGS_tp 4
+#define SMODE_TRAP_REGS_t0 5
+#define SMODE_TRAP_REGS_t1 6
+#define SMODE_TRAP_REGS_t2 7
+#define SMODE_TRAP_REGS_s0 8
+#define SMODE_TRAP_REGS_s1 9
+#define SMODE_TRAP_REGS_a0 10
+#define SMODE_TRAP_REGS_a1 11
+#define SMODE_TRAP_REGS_a2 12
+#define SMODE_TRAP_REGS_a3 13
+#define SMODE_TRAP_REGS_a4 14
+#define SMODE_TRAP_REGS_a5 15
+#define SMODE_TRAP_REGS_a6 16
+#define SMODE_TRAP_REGS_a7 17
+#define SMODE_TRAP_REGS_s2 18
+#define SMODE_TRAP_REGS_s3 19
+#define SMODE_TRAP_REGS_s4 20
+#define SMODE_TRAP_REGS_s5 21
+#define SMODE_TRAP_REGS_s6 22
+#define SMODE_TRAP_REGS_s7 23
+#define SMODE_TRAP_REGS_s8 24
+#define SMODE_TRAP_REGS_s9 25
+#define SMODE_TRAP_REGS_s10 26
+#define SMODE_TRAP_REGS_s11 27
+#define SMODE_TRAP_REGS_t3 28
+#define SMODE_TRAP_REGS_t4 29
+#define SMODE_TRAP_REGS_t5 30
+#define SMODE_TRAP_REGS_t6 31
+#define SMODE_TRAP_REGS_sepc 32
+#define SMODE_TRAP_REGS_sstatus 33
+#define SMODE_TRAP_REGS_sie 34
+#define SMODE_TRAP_REGS_last 35
+
+#define SMODE_TRAP_REGS_OFFSET(x) ((SMODE_TRAP_REGS_##x) * __SIZEOF_POINTER__)
+#define SMODE_TRAP_REGS_SIZE SMODE_TRAP_REGS_OFFSET(last)
+
+#pragma pack(1)
+typedef struct {
+ //
+ // Below are follow the format of EFI_SYSTEM_CONTEXT
+ //
+ UINT64 zero;
+ UINT64 ra;
+ UINT64 sp;
+ UINT64 gp;
+ UINT64 tp;
+ UINT64 t0;
+ UINT64 t1;
+ UINT64 t2;
+ UINT64 s0;
+ UINT64 s1;
+ UINT64 a0;
+ UINT64 a1;
+ UINT64 a2;
+ UINT64 a3;
+ UINT64 a4;
+ UINT64 a5;
+ UINT64 a6;
+ UINT64 a7;
+ UINT64 s2;
+ UINT64 s3;
+ UINT64 s4;
+ UINT64 s5;
+ UINT64 s6;
+ UINT64 s7;
+ UINT64 s8;
+ UINT64 s9;
+ UINT64 s10;
+ UINT64 s11;
+ UINT64 t3;
+ UINT64 t4;
+ UINT64 t5;
+ UINT64 t6;
+ //
+ // Below are the additional information to
+ // EFI_SYSTEM_CONTEXT, private to supervisor mode trap
+ // and not public to EFI environment.
+ //
+ UINT64 sepc;
+ UINT64 sstatus;
+ UINT64 sie;
+} SMODE_TRAP_REGISTERS;
+#pragma pack()
+
+#endif
diff --git a/UefiCpuPkg/Library/CpuExceptionHandlerLib/RiscV64/CpuExceptionHandlerLib.c b/UefiCpuPkg/Library/CpuExceptionHandlerLib/RiscV64/CpuExceptionHandlerLib.c
new file mode 100644
index 000000000000..f1ee7d236aec
--- /dev/null
+++ b/UefiCpuPkg/Library/CpuExceptionHandlerLib/RiscV64/CpuExceptionHandlerLib.c
@@ -0,0 +1,133 @@
+/** @file
+ RISC-V Exception Handler library implementation.
+
+ Copyright (c) 2016 - 2022, Hewlett Packard Enterprise Development LP. All rights reserved.<BR>
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include <PiPei.h>
+#include <Library/CpuExceptionHandlerLib.h>
+#include <Library/DebugLib.h>
+#include <Library/BaseLib.h>
+#include <Register/RiscV64/RiscVEncoding.h>
+
+#include "CpuExceptionHandlerLib.h"
+
+STATIC EFI_CPU_INTERRUPT_HANDLER mInterruptHandlers[2];
+
+/**
+ Initializes all CPU exceptions entries and provides the default exception handlers.
+
+ Caller should try to get an array of interrupt and/or exception vectors that are in use and need to
+ persist by EFI_VECTOR_HANDOFF_INFO defined in PI 1.3 specification.
+ If caller cannot get reserved vector list or it does not exists, set VectorInfo to NULL.
+ If VectorInfo is not NULL, the exception vectors will be initialized per vector attribute accordingly.
+
+ @param[in] VectorInfo Pointer to reserved vector list.
+
+ @retval EFI_SUCCESS CPU Exception Entries have been successfully initialized
+ with default exception handlers.
+ @retval EFI_INVALID_PARAMETER VectorInfo includes the invalid content if VectorInfo is not NULL.
+ @retval EFI_UNSUPPORTED This function is not supported.
+
+**/
+EFI_STATUS
+EFIAPI
+InitializeCpuExceptionHandlers (
+ IN EFI_VECTOR_HANDOFF_INFO *VectorInfo OPTIONAL
+ )
+{
+ RiscVSetSupervisorStvec ((UINT64)SupervisorModeTrap);
+ return EFI_SUCCESS;
+}
+
+/**
+ Registers a function to be called from the processor interrupt handler.
+
+ This function registers and enables the handler specified by InterruptHandler for a processor
+ interrupt or exception type specified by InterruptType. If InterruptHandler is NULL, then the
+ handler for the processor interrupt or exception type specified by InterruptType is uninstalled.
+ The installed handler is called once for each processor interrupt or exception.
+ NOTE: This function should be invoked after InitializeCpuExceptionHandlers() or
+ InitializeCpuInterruptHandlers() invoked, otherwise EFI_UNSUPPORTED returned.
+
+ @param[in] InterruptType Defines which interrupt or exception to hook.
+ @param[in] InterruptHandler A pointer to a function of type EFI_CPU_INTERRUPT_HANDLER that is called
+ when a processor interrupt occurs. If this parameter is NULL, then the handler
+ will be uninstalled.
+
+ @retval EFI_SUCCESS The handler for the processor interrupt was successfully installed or uninstalled.
+ @retval EFI_ALREADY_STARTED InterruptHandler is not NULL, and a handler for InterruptType was
+ previously installed.
+ @retval EFI_INVALID_PARAMETER InterruptHandler is NULL, and a handler for InterruptType was not
+ previously installed.
+ @retval EFI_UNSUPPORTED The interrupt specified by InterruptType is not supported,
+ or this function is not supported.
+**/
+EFI_STATUS
+EFIAPI
+RegisterCpuInterruptHandler (
+ IN EFI_EXCEPTION_TYPE InterruptType,
+ IN EFI_CPU_INTERRUPT_HANDLER InterruptHandler
+ )
+{
+ DEBUG ((DEBUG_INFO, "%a: Type:%x Handler: %x\n", __FUNCTION__, InterruptType, InterruptHandler));
+ mInterruptHandlers[InterruptType] = InterruptHandler;
+ return EFI_SUCCESS;
+}
+
+/**
+ Setup separate stacks for certain exception handlers.
+ If the input Buffer and BufferSize are both NULL, use global variable if possible.
+
+ @param[in] Buffer Point to buffer used to separate exception stack.
+ @param[in, out] BufferSize On input, it indicates the byte size of Buffer.
+ If the size is not enough, the return status will
+ be EFI_BUFFER_TOO_SMALL, and output BufferSize
+ will be the size it needs.
+
+ @retval EFI_SUCCESS The stacks are assigned successfully.
+ @retval EFI_UNSUPPORTED This function is not supported.
+ @retval EFI_BUFFER_TOO_SMALL This BufferSize is too small.
+**/
+EFI_STATUS
+EFIAPI
+InitializeSeparateExceptionStacks (
+ IN VOID *Buffer,
+ IN OUT UINTN *BufferSize
+ )
+{
+ return EFI_SUCCESS;
+}
+
+/**
+ Supervisor mode trap handler.
+
+ @param[in] SmodeTrapReg Registers before trap occurred.
+
+**/
+VOID
+RiscVSupervisorModeTrapHandler (
+ SMODE_TRAP_REGISTERS *SmodeTrapReg
+ )
+{
+ UINTN SCause;
+ EFI_SYSTEM_CONTEXT RiscVSystemContext;
+
+ RiscVSystemContext.SystemContextRiscV64 = (EFI_SYSTEM_CONTEXT_RISCV64 *)SmodeTrapReg;
+ //
+ // Check scasue register.
+ //
+ SCause = (UINTN)RiscVGetSupervisorTrapCause ();
+ if ((SCause & (1UL << (sizeof (UINTN) * 8- 1))) != 0) {
+ //
+ // This is interrupt event.
+ //
+ SCause &= ~(1UL << (sizeof (UINTN) * 8- 1));
+ if ((SCause == IRQ_S_TIMER) && (mInterruptHandlers[EXCEPT_RISCV_TIMER_INT] != NULL)) {
+ mInterruptHandlers[EXCEPT_RISCV_TIMER_INT](EXCEPT_RISCV_TIMER_INT, RiscVSystemContext);
+ }
+ }
+}
diff --git a/UefiCpuPkg/Library/CpuExceptionHandlerLib/RiscV64/SupervisorTrapHandler.S b/UefiCpuPkg/Library/CpuExceptionHandlerLib/RiscV64/SupervisorTrapHandler.S
new file mode 100644
index 000000000000..649c4c5becf4
--- /dev/null
+++ b/UefiCpuPkg/Library/CpuExceptionHandlerLib/RiscV64/SupervisorTrapHandler.S
@@ -0,0 +1,105 @@
+/** @file
+ RISC-V Processor supervisor mode trap handler
+
+ Copyright (c) 2019, Hewlett Packard Enterprise Development LP. All rights reserved.<BR>
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include <Base.h>
+#include "CpuExceptionHandlerLib.h"
+
+ .align 3
+ .section .entry, "ax", %progbits
+ .globl SupervisorModeTrap
+SupervisorModeTrap:
+ addi sp, sp, -SMODE_TRAP_REGS_SIZE
+
+ /* Save all general regisers except SP */
+ sd t0, SMODE_TRAP_REGS_OFFSET(t0)(sp)
+
+ csrr t0, CSR_SSTATUS
+ and t0, t0, (SSTATUS_SIE | SSTATUS_SPIE)
+ sd t0, SMODE_TRAP_REGS_OFFSET(sstatus)(sp)
+ csrr t0, CSR_SEPC
+ sd t0, SMODE_TRAP_REGS_OFFSET(sepc)(sp)
+ csrr t0, CSR_SIE
+ sd t0, SMODE_TRAP_REGS_OFFSET(sie)(sp)
+ ld t0, SMODE_TRAP_REGS_OFFSET(t0)(sp)
+
+ sd ra, SMODE_TRAP_REGS_OFFSET(ra)(sp)
+ sd gp, SMODE_TRAP_REGS_OFFSET(gp)(sp)
+ sd tp, SMODE_TRAP_REGS_OFFSET(tp)(sp)
+ sd t1, SMODE_TRAP_REGS_OFFSET(t1)(sp)
+ sd t2, SMODE_TRAP_REGS_OFFSET(t2)(sp)
+ sd s0, SMODE_TRAP_REGS_OFFSET(s0)(sp)
+ sd s1, SMODE_TRAP_REGS_OFFSET(s1)(sp)
+ sd a0, SMODE_TRAP_REGS_OFFSET(a0)(sp)
+ sd a1, SMODE_TRAP_REGS_OFFSET(a1)(sp)
+ sd a2, SMODE_TRAP_REGS_OFFSET(a2)(sp)
+ sd a3, SMODE_TRAP_REGS_OFFSET(a3)(sp)
+ sd a4, SMODE_TRAP_REGS_OFFSET(a4)(sp)
+ sd a5, SMODE_TRAP_REGS_OFFSET(a5)(sp)
+ sd a6, SMODE_TRAP_REGS_OFFSET(a6)(sp)
+ sd a7, SMODE_TRAP_REGS_OFFSET(a7)(sp)
+ sd s2, SMODE_TRAP_REGS_OFFSET(s2)(sp)
+ sd s3, SMODE_TRAP_REGS_OFFSET(s3)(sp)
+ sd s4, SMODE_TRAP_REGS_OFFSET(s4)(sp)
+ sd s5, SMODE_TRAP_REGS_OFFSET(s5)(sp)
+ sd s6, SMODE_TRAP_REGS_OFFSET(s6)(sp)
+ sd s7, SMODE_TRAP_REGS_OFFSET(s7)(sp)
+ sd s8, SMODE_TRAP_REGS_OFFSET(s8)(sp)
+ sd s9, SMODE_TRAP_REGS_OFFSET(s9)(sp)
+ sd s10, SMODE_TRAP_REGS_OFFSET(s10)(sp)
+ sd s11, SMODE_TRAP_REGS_OFFSET(s11)(sp)
+ sd t3, SMODE_TRAP_REGS_OFFSET(t3)(sp)
+ sd t4, SMODE_TRAP_REGS_OFFSET(t4)(sp)
+ sd t5, SMODE_TRAP_REGS_OFFSET(t5)(sp)
+ sd t6, SMODE_TRAP_REGS_OFFSET(t6)(sp)
+
+ /* Call to Supervisor mode trap handler in CpuExceptionHandlerLib.c */
+ call RiscVSupervisorModeTrapHandler
+
+ /* Restore all general regisers except SP */
+ ld ra, SMODE_TRAP_REGS_OFFSET(ra)(sp)
+ ld gp, SMODE_TRAP_REGS_OFFSET(gp)(sp)
+ ld tp, SMODE_TRAP_REGS_OFFSET(tp)(sp)
+ ld t2, SMODE_TRAP_REGS_OFFSET(t2)(sp)
+ ld s0, SMODE_TRAP_REGS_OFFSET(s0)(sp)
+ ld s1, SMODE_TRAP_REGS_OFFSET(s1)(sp)
+ ld a0, SMODE_TRAP_REGS_OFFSET(a0)(sp)
+ ld a1, SMODE_TRAP_REGS_OFFSET(a1)(sp)
+ ld a2, SMODE_TRAP_REGS_OFFSET(a2)(sp)
+ ld a3, SMODE_TRAP_REGS_OFFSET(a3)(sp)
+ ld a4, SMODE_TRAP_REGS_OFFSET(a4)(sp)
+ ld a5, SMODE_TRAP_REGS_OFFSET(a5)(sp)
+ ld a6, SMODE_TRAP_REGS_OFFSET(a6)(sp)
+ ld a7, SMODE_TRAP_REGS_OFFSET(a7)(sp)
+ ld s2, SMODE_TRAP_REGS_OFFSET(s2)(sp)
+ ld s3, SMODE_TRAP_REGS_OFFSET(s3)(sp)
+ ld s4, SMODE_TRAP_REGS_OFFSET(s4)(sp)
+ ld s5, SMODE_TRAP_REGS_OFFSET(s5)(sp)
+ ld s6, SMODE_TRAP_REGS_OFFSET(s6)(sp)
+ ld s7, SMODE_TRAP_REGS_OFFSET(s7)(sp)
+ ld s8, SMODE_TRAP_REGS_OFFSET(s8)(sp)
+ ld s9, SMODE_TRAP_REGS_OFFSET(s9)(sp)
+ ld s10, SMODE_TRAP_REGS_OFFSET(s10)(sp)
+ ld s11, SMODE_TRAP_REGS_OFFSET(s11)(sp)
+ ld t3, SMODE_TRAP_REGS_OFFSET(t3)(sp)
+ ld t4, SMODE_TRAP_REGS_OFFSET(t4)(sp)
+ ld t5, SMODE_TRAP_REGS_OFFSET(t5)(sp)
+ ld t6, SMODE_TRAP_REGS_OFFSET(t6)(sp)
+
+ ld t0, SMODE_TRAP_REGS_OFFSET(sepc)(sp)
+ csrw CSR_SEPC, t0
+ ld t0, SMODE_TRAP_REGS_OFFSET(sie)(sp)
+ csrw CSR_SIE, t0
+ csrr t0, CSR_SSTATUS
+ ld t1, SMODE_TRAP_REGS_OFFSET(sstatus)(sp)
+ or t0, t0, t1
+ csrw CSR_SSTATUS, t0
+ ld t1, SMODE_TRAP_REGS_OFFSET(t1)(sp)
+ ld t0, SMODE_TRAP_REGS_OFFSET(t0)(sp)
+ addi sp, sp, SMODE_TRAP_REGS_SIZE
+ sret
--
2.25.1
next prev parent reply other threads:[~2022-10-12 10:46 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-12 10:44 [edk2-staging/RiscV64QemuVirt PATCH V2 00/33] Add support for RISC-V virt machine Sunil V L
2022-10-12 10:44 ` [edk2-staging/RiscV64QemuVirt PATCH V2 01/33] MdePkg/Register: Add register definition header files for RISC-V Sunil V L
2022-10-12 10:44 ` [edk2-staging/RiscV64QemuVirt PATCH V2 02/33] MdePkg: Add RISCV_EFI_BOOT_PROTOCOL related definitions Sunil V L
2022-10-12 10:44 ` [edk2-staging/RiscV64QemuVirt PATCH V2 03/33] MdePkg/BaseLib: RISC-V: Add few more helper functions Sunil V L
2022-10-12 10:44 ` [edk2-staging/RiscV64QemuVirt PATCH V2 04/33] MdePkg: Add BaseRiscVSbiLib Library for RISC-V Sunil V L
2022-10-12 10:44 ` [edk2-staging/RiscV64QemuVirt PATCH V2 05/33] OvmfPkg/PlatformInitLib: Refactor to allow other architectures Sunil V L
2022-10-12 10:44 ` [edk2-staging/RiscV64QemuVirt PATCH V2 06/33] OvmfPkg/PlatformInitLib: Add support for RISC-V Sunil V L
2022-10-12 10:44 ` [edk2-staging/RiscV64QemuVirt PATCH V2 07/33] OvmfPkg/ResetSystemLib: Refactor to allow other architectures Sunil V L
2022-10-12 10:44 ` [edk2-staging/RiscV64QemuVirt PATCH V2 08/33] OvmfPkg/ResetSystemLib: Add support for RISC-V Sunil V L
2022-10-12 10:44 ` [edk2-staging/RiscV64QemuVirt PATCH V2 09/33] OvmfPkg/Sec: Refactor to allow other architectures Sunil V L
2022-10-12 10:44 ` [edk2-staging/RiscV64QemuVirt PATCH V2 10/33] OvmfPkg/Sec: Add RISC-V support Sunil V L
2022-10-12 10:44 ` [edk2-staging/RiscV64QemuVirt PATCH V2 11/33] OvmfPkg/PlatformPei: Refactor to allow other architectures Sunil V L
2022-10-12 10:44 ` [edk2-staging/RiscV64QemuVirt PATCH V2 12/33] OvmfPkg/PlatformPei: Add support for RISC-V Sunil V L
2022-10-12 10:44 ` [edk2-staging/RiscV64QemuVirt PATCH V2 13/33] UefiCpuPkg/CpuTimerLib: Refactor to allow other architectures Sunil V L
2022-10-12 10:44 ` [edk2-staging/RiscV64QemuVirt PATCH V2 14/33] UefiCpuPkg/CpuTimerLib: Add support for RISC-V Sunil V L
2022-10-12 10:44 ` [edk2-staging/RiscV64QemuVirt PATCH V2 15/33] UefiCpuPkg/CpuExceptionHandlerLib: Refactor to allow other architectures Sunil V L
2022-10-12 10:44 ` Sunil V L [this message]
2022-10-12 10:44 ` [edk2-staging/RiscV64QemuVirt PATCH V2 17/33] UefiCpuPkg/CpuDxe: " Sunil V L
2022-10-12 10:44 ` [edk2-staging/RiscV64QemuVirt PATCH V2 18/33] UefiCpuPkg/CpuDxe: Add support for RISC-V Sunil V L
2022-10-12 10:44 ` [edk2-staging/RiscV64QemuVirt PATCH V2 19/33] UefiCpuPkg/CpuDxe: Add RISC-V Boot protocol support Sunil V L
2022-10-12 10:44 ` [edk2-staging/RiscV64QemuVirt PATCH V2 20/33] UefiCpuPkg: Add CpuTimerDxe module Sunil V L
2022-10-12 10:44 ` [edk2-staging/RiscV64QemuVirt PATCH V2 21/33] ArmVirtPkg/PlatformHasAcpiDtDxe: Move to OvmfPkg Sunil V L
2022-10-12 10:44 ` [edk2-staging/RiscV64QemuVirt PATCH V2 22/33] ArmVirtPkg: Fix up the location of PlatformHasAcpiDtDxe Sunil V L
2022-10-12 10:44 ` [edk2-staging/RiscV64QemuVirt PATCH V2 23/33] ArmVirtPkg/PlatformBootManagerLib: Move to OvmfPkg Sunil V L
2022-10-12 10:44 ` [edk2-staging/RiscV64QemuVirt PATCH V2 24/33] ArmVirtPkg: Fix up the paths to PlatformBootManagerLib Sunil V L
2022-10-12 10:44 ` [edk2-staging/RiscV64QemuVirt PATCH V2 25/33] ArmPlatformPkg/NorFlashPlatformLib.h:Move to MdePkg Sunil V L
2022-10-12 10:44 ` [edk2-staging/RiscV64QemuVirt PATCH V2 26/33] EmbeddedPkg/NvVarStoreFormattedLib: Migrate to MdeModulePkg Sunil V L
2022-10-12 10:44 ` [edk2-staging/RiscV64QemuVirt PATCH V2 27/33] OvmfPkg: Add NorFlashQemuLib library Sunil V L
2022-10-12 10:44 ` [edk2-staging/RiscV64QemuVirt PATCH V2 28/33] OvmfPkg: Add Qemu NOR flash DXE driver Sunil V L
2022-10-12 10:44 ` [edk2-staging/RiscV64QemuVirt PATCH V2 29/33] OvmfPkg/NorFlashDxe: Avoid switching to array mode during writes Sunil V L
2022-10-12 10:44 ` [edk2-staging/RiscV64QemuVirt PATCH V2 30/33] OvmfPkg/NorFlashDxe: Avoid switching between modes in a tight loop Sunil V L
2022-10-12 10:44 ` [edk2-staging/RiscV64QemuVirt PATCH V2 31/33] OvmfPkg: RiscVVirt: Add Qemu Virt platform support Sunil V L
2022-10-12 10:44 ` [edk2-staging/RiscV64QemuVirt PATCH V2 32/33] Maintainers.txt: Add entry for OvmfPkg/RiscVVirt Sunil V L
2022-10-12 10:44 ` [edk2-staging/RiscV64QemuVirt PATCH V2 33/33] UefiCpuPkg/UefiCpuPkg.ci.yaml: Ignore RISC-V file Sunil V L
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