linux-kernel - [PATCH v3 1/5] RISC-V: Add EM

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Date:   Mon,  5 Apr 2021 11:57:08 +0300
From:   Nick Kossifidis <mick@....forth.gr>
To:     linux-riscv@...ts.infradead.org, palmer@...belt.com
Cc:     paul.walmsley@...ive.com, linux-kernel@...r.kernel.org,
        Nick Kossifidis <mick@....forth.gr>
Subject: [PATCH v3 1/5] RISC-V: Add EM_RISCV to kexec UAPI header

Add RISC-V to the list of supported kexec architecturs, we need to
add the definition early-on so that later patches can use it.

EM_RISCV is 243 as per ELF psABI specification here:
https://github.com/riscv/riscv-elf-psabi-doc/blob/master/riscv-elf.md

Signed-off-by: Nick Kossifidis <mick@....forth.gr>
---
 include/uapi/linux/kexec.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/uapi/linux/kexec.h b/include/uapi/linux/kexec.h
index 05669c87a..778dc191c 100644
--- a/include/uapi/linux/kexec.h
+++ b/include/uapi/linux/kexec.h
@@ -42,6 +42,7 @@
 #define KEXEC_ARCH_MIPS_LE (10 << 16)
 #define KEXEC_ARCH_MIPS    ( 8 << 16)
 #define KEXEC_ARCH_AARCH64 (183 << 16)
+#define KEXEC_ARCH_RISCV   (243 << 16)
 
 /* The artificial cap on the number of segments passed to kexec_load. */
 #define KEXEC_SEGMENT_MAX 16
-- 
2.26.2