diff options
Diffstat (limited to 'arch/riscv/include/asm/page.h')
| -rw-r--r-- | arch/riscv/include/asm/page.h | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/arch/riscv/include/asm/page.h b/arch/riscv/include/asm/page.h index 6e004d8fda4d..349e4f9874cc 100644 --- a/arch/riscv/include/asm/page.h +++ b/arch/riscv/include/asm/page.h @@ -95,6 +95,7 @@ extern unsigned long va_kernel_pa_offset; #endif extern unsigned long va_kernel_xip_pa_offset; extern unsigned long pfn_base; +extern uintptr_t load_sz; #define ARCH_PFN_OFFSET (pfn_base) #else #define va_pa_offset 0 @@ -108,6 +109,11 @@ extern unsigned long pfn_base; extern unsigned long kernel_virt_addr; #ifdef CONFIG_64BIT +#define is_kernel_mapping(x) \ + ((x) >= kernel_virt_addr && (x) < (kernel_virt_addr + load_sz)) +#define is_linear_mapping(x) \ + ((x) >= PAGE_OFFSET && (x) < kernel_virt_addr) + #define linear_mapping_pa_to_va(x) ((void *)((unsigned long)(x) + va_pa_offset)) #define kernel_mapping_pa_to_va(y) ({ \ unsigned long _y = y; \ @@ -127,10 +133,15 @@ extern unsigned long kernel_virt_addr; #define __va_to_pa_nodebug(x) ({ \ unsigned long _x = x; \ - (_x < kernel_virt_addr) ? \ + is_linear_mapping(_x) ? \ linear_mapping_va_to_pa(_x) : kernel_mapping_va_to_pa(_x); \ }) #else +#define is_kernel_mapping(x) \ + ((x) >= kernel_virt_addr && (x) < (kernel_virt_addr + load_sz)) +#define is_linear_mapping(x) \ + ((x) >= PAGE_OFFSET) + #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 /* CONFIG_64BIT */ |