ARM: 9293/1: vfp: Pass successful return address via register R3

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In preparation for reimplementing the do_vfp()->vfp_support_entry()
handover in C code, switch to using R3 to pass the 'success' return
address, rather than R9, as it cannot be used for parameter passing.

Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>

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Ard Biesheuvel 2023-03-21 12:01:51 +01:00 • committed by Russell King (Oracle)

parent dae904d96a

commit 3a2bdad0b4

2 changed files with 8 additions and 7 deletions

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arch/arm/vfp/entry.S

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14

arch/arm/vfp/vfphw.S

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