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| author | Ard Biesheuvel <ard.biesheuvel@linaro.org> | 2015-03-25 07:41:43 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2015-03-29 23:11:57 +0100 |
| commit | 12833bacf5d904c2dac0c3f52b2ebde5f2c5a2bc (patch) | |
| tree | ef1b7a775119b17f328f75877c56e3c4ea98082c /arch/arm/mach-exynos/sleep.S | |
| parent | d0776aff9a38b1390cc06ffc2c4dcf6ece7c05b9 (diff) | |
| download | op-kernel-dev-12833bacf5d904c2dac0c3f52b2ebde5f2c5a2bc.zip op-kernel-dev-12833bacf5d904c2dac0c3f52b2ebde5f2c5a2bc.tar.gz | |
ARM: 8325/1: exynos: move resume code to .text section
This code calls cpu_resume() using a straight branch (b), so
now that we have moved cpu_resume() back to .text, this should
be moved there as well. Any direct references to symbols that will
remain in the .data section are replaced with explicit PC-relative
references.
Acked-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-exynos/sleep.S')
| -rw-r--r-- | arch/arm/mach-exynos/sleep.S | 31 |
1 files changed, 16 insertions, 15 deletions
diff --git a/arch/arm/mach-exynos/sleep.S b/arch/arm/mach-exynos/sleep.S index 31d2583..cf95079 100644 --- a/arch/arm/mach-exynos/sleep.S +++ b/arch/arm/mach-exynos/sleep.S @@ -23,14 +23,7 @@ #define CPU_MASK 0xff0ffff0 #define CPU_CORTEX_A9 0x410fc090 - /* - * The following code is located into the .data section. This is to - * allow l2x0_regs_phys to be accessed with a relative load while we - * can't rely on any MMU translation. We could have put l2x0_regs_phys - * in the .text section as well, but some setups might insist on it to - * be truly read-only. (Reference from: arch/arm/kernel/sleep.S) - */ - .data + .text .align /* @@ -69,10 +62,12 @@ ENTRY(exynos_cpu_resume_ns) cmp r0, r1 bne skip_cp15 - adr r0, cp15_save_power + adr r0, _cp15_save_power ldr r1, [r0] - adr r0, cp15_save_diag + ldr r1, [r0, r1] + adr r0, _cp15_save_diag ldr r2, [r0] + ldr r2, [r0, r2] mov r0, #SMC_CMD_C15RESUME dsb smc #0 @@ -118,14 +113,20 @@ skip_l2x0: skip_cp15: b cpu_resume ENDPROC(exynos_cpu_resume_ns) + + .align +_cp15_save_power: + .long cp15_save_power - . +_cp15_save_diag: + .long cp15_save_diag - . +#ifdef CONFIG_CACHE_L2X0 +1: .long l2x0_saved_regs - . +#endif /* CONFIG_CACHE_L2X0 */ + + .data .globl cp15_save_diag cp15_save_diag: .long 0 @ cp15 diagnostic .globl cp15_save_power cp15_save_power: .long 0 @ cp15 power control - -#ifdef CONFIG_CACHE_L2X0 - .align -1: .long l2x0_saved_regs - . -#endif /* CONFIG_CACHE_L2X0 */ |
