From: "Sunil V L" <sunilvl@ventanamicro.com>
To: devel@edk2.groups.io
Cc: Daniel Schaefer <git@danielschaefer.me>,
Michael D Kinney <michael.d.kinney@intel.com>,
Liming Gao <gaoliming@byosoft.com.cn>,
Zhiguang Liu <zhiguang.liu@intel.com>
Subject: [edk2-staging/RiscV64QemuVirt PATCH V3 01/34] MdePkg/Register: Add register definition header files for RISC-V
Date: Thu, 13 Oct 2022 15:27:56 +0530 [thread overview]
Message-ID: <20221013095829.1454581-2-sunilvl@ventanamicro.com> (raw)
In-Reply-To: <20221013095829.1454581-1-sunilvl@ventanamicro.com>
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=4076
Add register definitions and access routines for RISC-V. These
headers are leveraged from opensbi repo.
Cc: Daniel Schaefer <git@danielschaefer.me>
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: Sunil V L <sunilvl@ventanamicro.com>
---
.../Include/Register/RiscV64/RiscVEncoding.h | 125 ++++++++++++++++++
MdePkg/Include/Register/RiscV64/RiscVImpl.h | 25 ++++
2 files changed, 150 insertions(+)
create mode 100644 MdePkg/Include/Register/RiscV64/RiscVEncoding.h
create mode 100644 MdePkg/Include/Register/RiscV64/RiscVImpl.h
diff --git a/MdePkg/Include/Register/RiscV64/RiscVEncoding.h b/MdePkg/Include/Register/RiscV64/RiscVEncoding.h
new file mode 100644
index 000000000000..434436b37fcf
--- /dev/null
+++ b/MdePkg/Include/Register/RiscV64/RiscVEncoding.h
@@ -0,0 +1,125 @@
+/** @file
+ RISC-V CSR encodings
+
+ Copyright (c) 2019, Western Digital Corporation or its affiliates. All rights reserved.<BR>
+ Copyright (c) 2022, Ventana Micro Systems Inc. All rights reserved.<BR>
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef RISCV_ENCODING_H_
+#define RISCV_ENCODING_H_
+
+/* clang-format off */
+#define MSTATUS_SIE 0x00000002UL
+#define MSTATUS_MIE 0x00000008UL
+#define MSTATUS_SPIE_SHIFT 5
+#define MSTATUS_SPIE (1UL << MSTATUS_SPIE_SHIFT)
+#define MSTATUS_UBE 0x00000040UL
+#define MSTATUS_MPIE 0x00000080UL
+#define MSTATUS_SPP_SHIFT 8
+#define MSTATUS_SPP (1UL << MSTATUS_SPP_SHIFT)
+#define MSTATUS_MPP_SHIFT 11
+#define MSTATUS_MPP (3UL << MSTATUS_MPP_SHIFT)
+
+#define SSTATUS_SIE MSTATUS_SIE
+#define SSTATUS_SPIE_SHIFT MSTATUS_SPIE_SHIFT
+#define SSTATUS_SPIE MSTATUS_SPIE
+#define SSTATUS_SPP_SHIFT MSTATUS_SPP_SHIFT
+#define SSTATUS_SPP MSTATUS_SPP
+
+#define IRQ_S_SOFT 1
+#define IRQ_VS_SOFT 2
+#define IRQ_M_SOFT 3
+#define IRQ_S_TIMER 5
+#define IRQ_VS_TIMER 6
+#define IRQ_M_TIMER 7
+#define IRQ_S_EXT 9
+#define IRQ_VS_EXT 10
+#define IRQ_M_EXT 11
+#define IRQ_S_GEXT 12
+#define IRQ_PMU_OVF 13
+
+#define MIP_SSIP (1UL << IRQ_S_SOFT)
+#define MIP_VSSIP (1UL << IRQ_VS_SOFT)
+#define MIP_MSIP (1UL << IRQ_M_SOFT)
+#define MIP_STIP (1UL << IRQ_S_TIMER)
+#define MIP_VSTIP (1UL << IRQ_VS_TIMER)
+#define MIP_MTIP (1UL << IRQ_M_TIMER)
+#define MIP_SEIP (1UL << IRQ_S_EXT)
+#define MIP_VSEIP (1UL << IRQ_VS_EXT)
+#define MIP_MEIP (1UL << IRQ_M_EXT)
+#define MIP_SGEIP (1UL << IRQ_S_GEXT)
+#define MIP_LCOFIP (1UL << IRQ_PMU_OVF)
+
+#define SIP_SSIP MIP_SSIP
+#define SIP_STIP MIP_STIP
+
+#define PRV_U 0UL
+#define PRV_S 1UL
+#define PRV_M 3UL
+
+#define SATP64_MODE 0xF000000000000000ULL
+#define SATP64_ASID 0x0FFFF00000000000ULL
+#define SATP64_PPN 0x00000FFFFFFFFFFFULL
+
+#define SATP_MODE_OFF 0UL
+#define SATP_MODE_SV32 1UL
+#define SATP_MODE_SV39 8UL
+#define SATP_MODE_SV48 9UL
+#define SATP_MODE_SV57 10UL
+#define SATP_MODE_SV64 11UL
+
+#define SATP_MODE SATP64_MODE
+
+/* ===== User-level CSRs ===== */
+
+/* User Counters/Timers */
+#define CSR_CYCLE 0xc00
+#define CSR_TIME 0xc01
+
+/* ===== Supervisor-level CSRs ===== */
+
+/* Supervisor Trap Setup */
+#define CSR_SSTATUS 0x100
+#define CSR_SEDELEG 0x102
+#define CSR_SIDELEG 0x103
+#define CSR_SIE 0x104
+#define CSR_STVEC 0x105
+
+/* Supervisor Configuration */
+#define CSR_SENVCFG 0x10a
+
+/* Supervisor Trap Handling */
+#define CSR_SSCRATCH 0x140
+#define CSR_SEPC 0x141
+#define CSR_SCAUSE 0x142
+#define CSR_STVAL 0x143
+#define CSR_SIP 0x144
+
+/* Supervisor Protection and Translation */
+#define CSR_SATP 0x180
+
+/* ===== Trap/Exception Causes ===== */
+
+#define CAUSE_MISALIGNED_FETCH 0x0
+#define CAUSE_FETCH_ACCESS 0x1
+#define CAUSE_ILLEGAL_INSTRUCTION 0x2
+#define CAUSE_BREAKPOINT 0x3
+#define CAUSE_MISALIGNED_LOAD 0x4
+#define CAUSE_LOAD_ACCESS 0x5
+#define CAUSE_MISALIGNED_STORE 0x6
+#define CAUSE_STORE_ACCESS 0x7
+#define CAUSE_USER_ECALL 0x8
+#define CAUSE_SUPERVISOR_ECALL 0x9
+#define CAUSE_VIRTUAL_SUPERVISOR_ECALL 0xa
+#define CAUSE_MACHINE_ECALL 0xb
+#define CAUSE_FETCH_PAGE_FAULT 0xc
+#define CAUSE_LOAD_PAGE_FAULT 0xd
+#define CAUSE_STORE_PAGE_FAULT 0xf
+#define CAUSE_FETCH_GUEST_PAGE_FAULT 0x14
+#define CAUSE_LOAD_GUEST_PAGE_FAULT 0x15
+#define CAUSE_VIRTUAL_INST_FAULT 0x16
+#define CAUSE_STORE_GUEST_PAGE_FAULT 0x17
+
+#endif
diff --git a/MdePkg/Include/Register/RiscV64/RiscVImpl.h b/MdePkg/Include/Register/RiscV64/RiscVImpl.h
new file mode 100644
index 000000000000..ee5c2ba60377
--- /dev/null
+++ b/MdePkg/Include/Register/RiscV64/RiscVImpl.h
@@ -0,0 +1,25 @@
+/** @file
+ RISC-V package definitions.
+
+ Copyright (c) 2016 - 2022, Hewlett Packard Enterprise Development LP. All rights reserved.<BR>
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef RISCV_IMPL_H_
+#define RISCV_IMPL_H_
+
+#include <Register/RiscV64/RiscVEncoding.h>
+
+#define _ASM_FUNC(Name, Section) \
+ .global Name ; \
+ .section #Section, "ax" ; \
+ .type Name, %function ; \
+ .p2align 2 ; \
+ Name:
+
+#define ASM_FUNC(Name) _ASM_FUNC(ASM_PFX(Name), .text. ## Name)
+#define RISCV_TIMER_COMPARE_BITS 32
+
+#endif
--
2.25.1
next prev parent reply other threads:[~2022-10-13 9:58 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-13 9:57 [edk2-staging/RiscV64QemuVirt PATCH V3 00/34] Add support for RISC-V virt machine Sunil V L
2022-10-13 9:57 ` Sunil V L [this message]
2022-10-13 12:59 ` [edk2-devel] [edk2-staging/RiscV64QemuVirt PATCH V3 01/34] MdePkg/Register: Add register definition header files for RISC-V Chang, Abner
2022-10-13 16:30 ` Sunil V L
2022-10-13 9:57 ` [edk2-staging/RiscV64QemuVirt PATCH V3 02/34] MdePkg: Add RISCV_EFI_BOOT_PROTOCOL related definitions Sunil V L
2022-10-13 12:40 ` [edk2-devel] " Chang, Abner
2022-10-13 16:29 ` Sunil V L
2022-10-14 1:02 ` Chang, Abner
2022-10-14 1:02 ` Chang, Abner
2022-10-13 9:57 ` [edk2-staging/RiscV64QemuVirt PATCH V3 03/34] MdePkg/BaseLib: RISC-V: Add few more helper functions Sunil V L
2022-10-13 14:10 ` [edk2-devel] " Chang, Abner
2022-10-13 16:32 ` Sunil V L
2022-10-13 9:57 ` [edk2-staging/RiscV64QemuVirt PATCH V3 04/34] MdePkg: Add BaseRiscVSbiLib Library for RISC-V Sunil V L
2022-10-13 14:24 ` [edk2-devel] " Chang, Abner
2022-10-13 9:58 ` [edk2-staging/RiscV64QemuVirt PATCH V3 05/34] OvmfPkg/PlatformInitLib: Refactor to allow other architectures Sunil V L
2022-10-13 9:58 ` [edk2-staging/RiscV64QemuVirt PATCH V3 06/34] OvmfPkg/PlatformInitLib: Add support for RISC-V Sunil V L
2022-10-13 14:58 ` [edk2-devel] " Chang, Abner
2022-10-13 16:34 ` Sunil V L
2022-10-13 9:58 ` [edk2-staging/RiscV64QemuVirt PATCH V3 07/34] OvmfPkg/ResetSystemLib: Refactor to allow other architectures Sunil V L
2022-10-14 13:59 ` [edk2-devel] " Chang, Abner
2022-10-13 9:58 ` [edk2-staging/RiscV64QemuVirt PATCH V3 08/34] OvmfPkg/ResetSystemLib: Add support for RISC-V Sunil V L
2022-10-14 16:16 ` [edk2-devel] " Chang, Abner
2022-10-13 9:58 ` [edk2-staging/RiscV64QemuVirt PATCH V3 09/34] OvmfPkg/Sec: Refactor to allow other architectures Sunil V L
2022-10-13 9:58 ` [edk2-staging/RiscV64QemuVirt PATCH V3 10/34] OvmfPkg/Sec: Add RISC-V support Sunil V L
2022-10-13 9:58 ` [edk2-staging/RiscV64QemuVirt PATCH V3 11/34] OvmfPkg/PlatformPei: Refactor to allow other architectures Sunil V L
2022-10-13 9:58 ` [edk2-staging/RiscV64QemuVirt PATCH V3 12/34] OvmfPkg/PlatformPei: Add support for RISC-V Sunil V L
2022-10-13 9:58 ` [edk2-staging/RiscV64QemuVirt PATCH V3 13/34] UefiCpuPkg/CpuTimerLib: Refactor to allow other architectures Sunil V L
2022-10-13 9:58 ` [edk2-staging/RiscV64QemuVirt PATCH V3 14/34] UefiCpuPkg/CpuTimerLib: Add support for RISC-V Sunil V L
2022-10-13 9:58 ` [edk2-staging/RiscV64QemuVirt PATCH V3 15/34] UefiCpuPkg/CpuExceptionHandlerLib: Refactor to allow other architectures Sunil V L
2022-10-13 9:58 ` [edk2-staging/RiscV64QemuVirt PATCH V3 16/34] UefiCpuPkg/CpuExceptionHandlerLib: Add support for RISC-V Sunil V L
2022-10-13 9:58 ` [edk2-staging/RiscV64QemuVirt PATCH V3 17/34] UefiCpuPkg/CpuDxe: Refactor to allow other architectures Sunil V L
2022-10-13 9:58 ` [edk2-staging/RiscV64QemuVirt PATCH V3 18/34] UefiCpuPkg/CpuDxe: Add support for RISC-V Sunil V L
2022-10-13 9:58 ` [edk2-staging/RiscV64QemuVirt PATCH V3 19/34] UefiCpuPkg/CpuDxe: Add RISC-V Boot protocol support Sunil V L
2022-10-13 9:58 ` [edk2-staging/RiscV64QemuVirt PATCH V3 20/34] UefiCpuPkg: Add CpuTimerDxe module Sunil V L
2022-10-13 9:58 ` [edk2-staging/RiscV64QemuVirt PATCH V3 21/34] ArmVirtPkg/PlatformHasAcpiDtDxe: Move to OvmfPkg Sunil V L
2022-10-13 9:58 ` [edk2-staging/RiscV64QemuVirt PATCH V3 22/34] ArmVirtPkg: Fix up the location of PlatformHasAcpiDtDxe Sunil V L
2022-10-13 9:58 ` [edk2-staging/RiscV64QemuVirt PATCH V3 23/34] ArmVirtPkg/PlatformBootManagerLib: Move to OvmfPkg Sunil V L
2022-10-13 9:58 ` [edk2-staging/RiscV64QemuVirt PATCH V3 24/34] ArmVirtPkg: Fix up the paths to PlatformBootManagerLib Sunil V L
2022-10-13 9:58 ` [edk2-staging/RiscV64QemuVirt PATCH V3 25/34] ArmPlatformPkg/NorFlashPlatformLib.h:Move to MdePkg Sunil V L
2022-10-13 9:58 ` [edk2-staging/RiscV64QemuVirt PATCH V3 26/34] EmbeddedPkg/NvVarStoreFormattedLib: Migrate to MdeModulePkg Sunil V L
2022-10-13 9:58 ` [edk2-staging/RiscV64QemuVirt PATCH V3 27/34] ArmVirtPkg: Update the references to NvVarStoreFormattedLib Sunil V L
2022-10-13 9:58 ` [edk2-staging/RiscV64QemuVirt PATCH V3 28/34] OvmfPkg: Add NorFlashQemuLib library Sunil V L
2022-10-13 9:58 ` [edk2-staging/RiscV64QemuVirt PATCH V3 29/34] OvmfPkg: Add Qemu NOR flash DXE driver Sunil V L
2022-10-13 9:58 ` [edk2-staging/RiscV64QemuVirt PATCH V3 30/34] OvmfPkg/NorFlashDxe: Avoid switching to array mode during writes Sunil V L
2022-10-13 9:58 ` [edk2-staging/RiscV64QemuVirt PATCH V3 31/34] OvmfPkg/NorFlashDxe: Avoid switching between modes in a tight loop Sunil V L
2022-10-13 9:58 ` [edk2-staging/RiscV64QemuVirt PATCH V3 32/34] OvmfPkg: RiscVVirt: Add Qemu Virt platform support Sunil V L
2022-10-13 9:58 ` [edk2-staging/RiscV64QemuVirt PATCH V3 33/34] Maintainers.txt: Add entry for OvmfPkg/RiscVVirt Sunil V L
2022-10-13 9:58 ` [edk2-staging/RiscV64QemuVirt PATCH V3 34/34] UefiCpuPkg/UefiCpuPkg.ci.yaml: Ignore RISC-V file Sunil V L
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