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| author | Kimplul <kimi.h.kuparinen@gmail.com> | 2022-01-06 23:39:12 +0200 |
|---|---|---|
| committer | Kimplul <kimi.h.kuparinen@gmail.com> | 2022-01-07 14:05:06 +0200 |
| commit | 9cc125fb3cfdc2c8ae7153b5ae0fe705980835fb (patch) | |
| tree | a1974f9513458acab0bd8d09758259b24b6d7d8c /arch/riscv64/config.h | |
| parent | f0eba93472e0afecc57180fc0d638eeef8e6f3c6 (diff) | |
| download | kmi-9cc125fb3cfdc2c8ae7153b5ae0fe705980835fb.tar.gz kmi-9cc125fb3cfdc2c8ae7153b5ae0fe705980835fb.zip | |
Allow building with clang
+ Release mode is sort of broken, as lto doesn't work with linker
relaxation and turning the relaxation off causes issues with the jump
from init to kernel (as I've currently implemented it, could probably
be fixed with a manual jump from assembly, I'll add it to my TODO
list)
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) |