diff options
Diffstat (limited to 'arch/riscv/config.h')
| -rw-r--r-- | arch/riscv/config.h | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/arch/riscv/config.h b/arch/riscv/config.h index fa6785e..0ef22fa 100644 --- a/arch/riscv/config.h +++ b/arch/riscv/config.h @@ -3,15 +3,32 @@ /* --- START ARCH USER CONFIG VALUES --- */ /* physical address to which the kernel will be loaded */ #define RAM_BASE 0x80000000 -#define PM_KERN (RAM_BASE + SZ_512K) +#define PM_KERN_BASE (RAM_BASE + SZ_512K) +#define PM_KERN_SIZE (SZ_256K) +#define PM_KERN_TOP (PM_KERN_BASE + PM_KERN_SIZE) /* --- END ARCH USER CONFIG VALUES --- */ /* don't touch >:( */ -#define PM_STACK_BASE (PM_KERN) -#define PM_STACK_TOP (RAM_BASE + SZ_1M) +#define PM_STACK_BASE (PM_KERN_BASE + SZ_256K) +#define PM_STACK_SIZE (SZ_256K) +#define PM_STACK_TOP (PM_STACK_BASE + PM_STACK_SIZE) + #define VM_DMAP (0xffffffc000000000) /* testing for now */ #define VM_KERN (VM_DMAP + SZ_256K) #define TMP_PTE (-SZ_2G) #define ROOT_PTE (0) #define ROOT_REGION (SZ_4K) + +#define IO_PAGE 511 +#define KSTART_PAGE 256 +#define CSTACK_PAGE 255 + +/* assume Sv39, probably wouldn't be too difficult to use runtime parameters + * instead. First 4K is reserved for NULL, but I suppose it could be mapped + * later if *absolutely* necessary. */ +#define UVMEM_START (SZ_4K) +#define UVMEM_END (SZ_256G - SZ_1G) + +#define PROC_STACK_TOP (SZ_256G) +#define PROC_STACK_BASE (SZ_256G - SZ_1G) |