diff options
Diffstat (limited to 'arch/riscv64/config.h')
| -rw-r--r-- | arch/riscv64/config.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/riscv64/config.h b/arch/riscv64/config.h new file mode 100644 index 0000000..0ef22fa --- /dev/null +++ b/arch/riscv64/config.h @@ -0,0 +1,34 @@ +#include <apos/sizes.h> + +/* --- START ARCH USER CONFIG VALUES --- */ +/* physical address to which the kernel will be loaded */ +#define RAM_BASE 0x80000000 +#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_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) |