diff options
| author | Alexandre Ghiti <alex@ghiti.fr> | 2021-06-04 13:49:48 +0200 |
|---|---|---|
| committer | Palmer Dabbelt <palmerdabbelt@google.com> | 2021-06-11 14:29:17 -0700 |
| commit | 7094e6acaf7ab869a1f1c34825ba1fe3173fe350 (patch) | |
| tree | 4b44d1627606421f2ac16cf73be5c2ddda1723c5 /arch/riscv/include/asm/page.h | |
| parent | 9b79878ced8f7ab85c57623f8b1f6882e484a316 (diff) | |
riscv: Simplify xip and !xip kernel address conversion macros
To simplify the kernel address conversion code, make the same definition of
kernel_mapping_pa_to_va and kernel_mapping_va_to_pa compatible for both xip
and !xip kernel by defining XIP_OFFSET to 0 in !xip kernel.
Signed-off-by: Alexandre Ghiti <alex@ghiti.fr>
Reviewed-by: Anup Patel <anup@brainfault.org>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
Diffstat (limited to 'arch/riscv/include/asm/page.h')
| -rw-r--r-- | arch/riscv/include/asm/page.h | 14 |
1 files changed, 3 insertions, 11 deletions
diff --git a/arch/riscv/include/asm/page.h b/arch/riscv/include/asm/page.h index 6a7761c86ec2..6e004d8fda4d 100644 --- a/arch/riscv/include/asm/page.h +++ b/arch/riscv/include/asm/page.h @@ -93,9 +93,7 @@ extern unsigned long va_pa_offset; #ifdef CONFIG_64BIT extern unsigned long va_kernel_pa_offset; #endif -#ifdef CONFIG_XIP_KERNEL extern unsigned long va_kernel_xip_pa_offset; -#endif extern unsigned long pfn_base; #define ARCH_PFN_OFFSET (pfn_base) #else @@ -103,6 +101,7 @@ extern unsigned long pfn_base; #ifdef CONFIG_64BIT #define va_kernel_pa_offset 0 #endif +#define va_kernel_xip_pa_offset 0 #define ARCH_PFN_OFFSET (PAGE_OFFSET >> PAGE_SHIFT) #endif /* CONFIG_MMU */ @@ -110,29 +109,22 @@ extern unsigned long kernel_virt_addr; #ifdef CONFIG_64BIT #define linear_mapping_pa_to_va(x) ((void *)((unsigned long)(x) + va_pa_offset)) -#ifdef CONFIG_XIP_KERNEL #define kernel_mapping_pa_to_va(y) ({ \ unsigned long _y = y; \ (_y >= CONFIG_PHYS_RAM_BASE) ? \ (void *)((unsigned long)(_y) + va_kernel_pa_offset + XIP_OFFSET) : \ (void *)((unsigned long)(_y) + va_kernel_xip_pa_offset); \ }) -#else -#define kernel_mapping_pa_to_va(x) ((void *)((unsigned long)(x) + va_kernel_pa_offset)) -#endif #define __pa_to_va_nodebug(x) linear_mapping_pa_to_va(x) #define linear_mapping_va_to_pa(x) ((unsigned long)(x) - va_pa_offset) -#ifdef CONFIG_XIP_KERNEL #define kernel_mapping_va_to_pa(y) ({ \ unsigned long _y = y; \ (_y < kernel_virt_addr + XIP_OFFSET) ? \ ((unsigned long)(_y) - va_kernel_xip_pa_offset) : \ ((unsigned long)(_y) - va_kernel_pa_offset - XIP_OFFSET); \ }) -#else -#define kernel_mapping_va_to_pa(x) ((unsigned long)(x) - va_kernel_pa_offset) -#endif + #define __va_to_pa_nodebug(x) ({ \ unsigned long _x = x; \ (_x < kernel_virt_addr) ? \ @@ -141,7 +133,7 @@ extern unsigned long kernel_virt_addr; #else #define __pa_to_va_nodebug(x) ((void *)((unsigned long) (x) + va_pa_offset)) #define __va_to_pa_nodebug(x) ((unsigned long)(x) - va_pa_offset) -#endif +#endif /* CONFIG_64BIT */ #ifdef CONFIG_DEBUG_VIRTUAL extern phys_addr_t __virt_to_phys(unsigned long x); |