Messages in this thread Patch in this message | | | From | Russ Dill <> | Subject | [RFC PATCH 01/11] asm-generic: io: Add exec versions of ioremap | Date | Tue, 17 Sep 2013 05:43:27 -0700 |
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If code is to be copied into and area (such as SRAM) and run, it needs to be marked as exec. Currently only an ARM version of this exists.
Signed-off-by: Russ Dill <Russ.Dill@ti.com> --- arch/arm/include/asm/io.h | 2 ++ include/asm-generic/iomap.h | 5 +++++ 2 files changed, 7 insertions(+)
diff --git a/arch/arm/include/asm/io.h b/arch/arm/include/asm/io.h index d070741..212d095 100644 --- a/arch/arm/include/asm/io.h +++ b/arch/arm/include/asm/io.h @@ -329,6 +329,8 @@ extern void _memset_io(volatile void __iomem *, int, size_t); #define ioremap_nocache(cookie,size) __arm_ioremap((cookie), (size), MT_DEVICE) #define ioremap_cached(cookie,size) __arm_ioremap((cookie), (size), MT_DEVICE_CACHED) #define ioremap_wc(cookie,size) __arm_ioremap((cookie), (size), MT_DEVICE_WC) +#define ioremap_exec(cookie,size) __arm_ioremap_exec((cookie), (size), true) +#define ioremap_exec_nocache(cookie,size) __arm_ioremap_exec((cookie), (size), false) #define iounmap __arm_iounmap /* diff --git a/include/asm-generic/iomap.h b/include/asm-generic/iomap.h index 6afd7d6..e72c451 100644 --- a/include/asm-generic/iomap.h +++ b/include/asm-generic/iomap.h @@ -66,6 +66,11 @@ extern void ioport_unmap(void __iomem *); #define ioremap_wc ioremap_nocache #endif +#ifndef ARCH_HAS_IOREMAP_EXEC +#define ioremap_exec ioremap +#define ioremap_exec_nocache ioremap_nocache +#endif + #ifdef CONFIG_PCI /* Destroy a virtual mapping cookie for a PCI BAR (memory or IO) */ struct pci_dev; -- 1.8.3.2
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