linux-kernel - [PATCH] riscv: boot: Fix creation of loader.bin

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Date:   Tue, 24 Oct 2023 16:53:18 +0200
From:   Geert Uytterhoeven <geert+renesas@...der.be>
To:     Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Jisheng Zhang <jszhang@...nel.org>,
        Alexandre Ghiti <alexghiti@...osinc.com>,
        Damien Le Moal <dlemoal@...nel.org>,
        Song Shuai <songshuaishuai@...ylab.org>
Cc:     linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Geert Uytterhoeven <geert+renesas@...der.be>
Subject: [PATCH] riscv: boot: Fix creation of loader.bin

When flashing loader.bin for K210 using kflash:

    [ERROR] This is an ELF file and cannot be programmed to flash directly: arch/riscv/boot/loader.bin

Before, loader.bin relied on "OBJCOPYFLAGS := -O binary" in the main
RISC-V Makefile to create a boot image with the right format.  With this
removed, the image is now created in the wrong (ELF) format.

Fix this by adding an explicit rule.

Fixes: 505b02957e74f0c5 ("riscv: Remove duplicate objcopy flag")
Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>
---
 arch/riscv/boot/Makefile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/riscv/boot/Makefile b/arch/riscv/boot/Makefile
index 22b13947bd131e84..8e7fc0edf21d3ece 100644
--- a/arch/riscv/boot/Makefile
+++ b/arch/riscv/boot/Makefile
@@ -17,6 +17,7 @@
 KCOV_INSTRUMENT := n
 
 OBJCOPYFLAGS_Image :=-O binary -R .note -R .note.gnu.build-id -R .comment -S
+OBJCOPYFLAGS_loader.bin :=-O binary
 OBJCOPYFLAGS_xipImage :=-O binary -R .note -R .note.gnu.build-id -R .comment -S
 
 targets := Image Image.* loader loader.o loader.lds loader.bin
-- 
2.34.1