* [PATCH] arm64: Don't truncate upper 32 bits in ENTRY_FUNCTION arg registers
@ 2021-09-16 9:33 Uwe Kleine-König
2021-10-02 9:18 ` Sascha Hauer
0 siblings, 1 reply; 2+ messages in thread
From: Uwe Kleine-König @ 2021-09-16 9:33 UTC (permalink / raw)
To: barebox; +Cc: Ahmad Fatoum
From: Ahmad Fatoum <ahmad@a3f.at>
Use a long instead of an u32. For 32-bit arm there is no difference, for
arm64 this results in being able to use the whole register size of 64
bits.
Signed-off-by: Ahmad Fatoum <ahmad@a3f.at>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
---
arch/arm/include/asm/barebox-arm.h | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/arch/arm/include/asm/barebox-arm.h b/arch/arm/include/asm/barebox-arm.h
index 24f9bce2ef7a..cfb5943f33d6 100644
--- a/arch/arm/include/asm/barebox-arm.h
+++ b/arch/arm/include/asm/barebox-arm.h
@@ -162,18 +162,18 @@ static inline unsigned long arm_mem_barebox_image(unsigned long membase,
}
#define ENTRY_FUNCTION(name, arg0, arg1, arg2) \
- void name (uint32_t r0, uint32_t r1, uint32_t r2); \
+ void name(ulong r0, ulong r1, ulong r2); \
\
- static void __##name(uint32_t, uint32_t, uint32_t); \
+ static void __##name(ulong, ulong, ulong); \
\
void NAKED __section(.text_head_entry_##name) name \
- (uint32_t r0, uint32_t r1, uint32_t r2) \
+ (ulong r0, ulong r1, ulong r2) \
{ \
__barebox_arm_head(); \
__##name(r0, r1, r2); \
} \
static void NAKED noinline __##name \
- (uint32_t arg0, uint32_t arg1, uint32_t arg2)
+ (ulong arg0, ulong arg1, ulong arg2)
/*
* When using compressed images in conjunction with relocatable images
base-commit: c945d24ec5dad6910b02697e4d1df09f89d2b950
--
2.30.2
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^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [PATCH] arm64: Don't truncate upper 32 bits in ENTRY_FUNCTION arg registers
2021-09-16 9:33 [PATCH] arm64: Don't truncate upper 32 bits in ENTRY_FUNCTION arg registers Uwe Kleine-König
@ 2021-10-02 9:18 ` Sascha Hauer
0 siblings, 0 replies; 2+ messages in thread
From: Sascha Hauer @ 2021-10-02 9:18 UTC (permalink / raw)
To: Uwe Kleine-König; +Cc: barebox, Ahmad Fatoum
On Thu, Sep 16, 2021 at 11:33:56AM +0200, Uwe Kleine-König wrote:
> From: Ahmad Fatoum <ahmad@a3f.at>
>
> Use a long instead of an u32. For 32-bit arm there is no difference, for
> arm64 this results in being able to use the whole register size of 64
> bits.
>
> Signed-off-by: Ahmad Fatoum <ahmad@a3f.at>
> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
> ---
> arch/arm/include/asm/barebox-arm.h | 8 ++++----
> 1 file changed, 4 insertions(+), 4 deletions(-)
Applied, thanks
Sascha
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