diff options
Diffstat (limited to 'arch/riscv/include/asm/page.h')
| -rw-r--r-- | arch/riscv/include/asm/page.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/riscv/include/asm/page.h b/arch/riscv/include/asm/page.h index f64b61296c0c..e280ba60cb34 100644 --- a/arch/riscv/include/asm/page.h +++ b/arch/riscv/include/asm/page.h @@ -93,6 +93,9 @@ 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 @@ -107,11 +110,29 @@ extern unsigned long pfn_base; extern unsigned long kernel_virt_addr; #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) ? \ |