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From: Masahiro Yamada <yamada.masahiro@socionext.com>
To: barebox@lists.infradead.org
Subject: [PATCH 1/2] riscv: use generic bitsperlong.h
Date: Thu,  8 Aug 2019 01:30:45 +0900	[thread overview]
Message-ID: <20190807163046.6160-1-yamada.masahiro@socionext.com> (raw)

Linux highly depends on the fact that the 'long' and the pointer
have the same width, and so does barebox.

So, we can always use include/asm-generic/bitsperlong.h, which
determines BITS_PER_LONG depending on CONFIG_64BIT.

This is what Linux does (at least in the kernel-space), and barebox
can follow it.

Currently, barebox only supports 32-bit riscv, but this should work
when it supports 64-bit by adding CONFIG_64BIT to arch/riscv/Kconfig.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
---
 arch/riscv/include/asm/bitsperlong.h | 11 +----------
 1 file changed, 1 insertion(+), 10 deletions(-)

diff --git a/arch/riscv/include/asm/bitsperlong.h b/arch/riscv/include/asm/bitsperlong.h
index 4641e7e485..6dc0bb0c13 100644
--- a/arch/riscv/include/asm/bitsperlong.h
+++ b/arch/riscv/include/asm/bitsperlong.h
@@ -1,10 +1 @@
-#ifndef __ASM_BITSPERLONG_H
-#define __ASM_BITSPERLONG_H
-
-#ifdef __riscv64
-#define BITS_PER_LONG 64
-#else
-#define BITS_PER_LONG 32
-#endif
-
-#endif /* __ASM_BITSPERLONG_H */
+#include <asm-generic/bitsperlong.h>
-- 
2.17.1


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             reply	other threads:[~2019-08-07 16:31 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-07 16:30 Masahiro Yamada [this message]
2019-08-07 16:30 ` [PATCH 2/2] mips: " Masahiro Yamada
2019-08-12  7:02 ` [PATCH 1/2] riscv: " Sascha Hauer

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