From 9cc125fb3cfdc2c8ae7153b5ae0fe705980835fb Mon Sep 17 00:00:00 2001 From: Kimplul Date: Thu, 6 Jan 2022 23:39:12 +0200 Subject: 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) --- arch/riscv64/include/vmem.h | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 arch/riscv64/include/vmem.h (limited to 'arch/riscv64/include/vmem.h') diff --git a/arch/riscv64/include/vmem.h b/arch/riscv64/include/vmem.h new file mode 100644 index 0000000..228b24b --- /dev/null +++ b/arch/riscv64/include/vmem.h @@ -0,0 +1,27 @@ +#ifndef APOS_RISCV_VMAP_H +#define APOS_RISCV_VMAP_H + +#include +#include + +#define VM_V (1 << 0) +#define VM_R (1 << 1) +#define VM_W (1 << 2) +#define VM_X (1 << 3) +#define VM_U (1 << 4) +#define VM_G (1 << 5) +#define VM_A (1 << 6) +#define VM_D (1 << 7) + +enum mm_mode { + Sv48, + Sv39, + Sv32, +}; + +typedef size_t vm_t; +struct __packed vm_branch { + struct vm_branch *leaf[512]; +}; + +#endif /* APOS_RISCV_VMAP_H */ -- cgit v1.3