diff options
Diffstat (limited to 'arch/riscv64/config.h')
| -rw-r--r-- | arch/riscv64/config.h | 31 |
1 files changed, 22 insertions, 9 deletions
diff --git a/arch/riscv64/config.h b/arch/riscv64/config.h index 7606e38..2c3dce6 100644 --- a/arch/riscv64/config.h +++ b/arch/riscv64/config.h @@ -77,28 +77,41 @@ #define UVMEM_END (SZ_256G - SZ_1G) /** RPC stack top. */ -#define RPC_STACK_TOP (SZ_256G) +#define RPC_STACK_TOP (UVMEM_END) /** RPC stack base. */ -#define RPC_STACK_BASE (SZ_256G - SZ_1G) +#define RPC_STACK_BASE (RPC_STACK_TOP - SZ_1G) + +/** + * Size of the default top page. + * For now we're only targeting Sv39, so this can easily be a macro. + * Eventually it might have to be turned into a function call to support Sv48 + * etc. + */ +#define TOP_PAGE_SIZE SZ_1G + +/** Default Sv mode on rv64 in apos. */ +#define DEFAULT_Sv_MODE Sv39 #else /* 32bit */ /** \todo figure this stuff out */ -#define VM_DMAP (0x000000000) -#define VM_KERN (VM_DMAP + SZ_256K) -#define ROOT_PTE (0UL) -#define ROOT_REGION (SZ_4K) +#define VM_DMAP 0x80000000 /* works on qemu at least */ +#define VM_KERN (VM_DMAP + FW_MAX_SIZE) #define IO_PAGE 1023UL #define KSTART_PAGE 512UL #define CSTACK_PAGE 511UL #define UVMEM_START (SZ_4K) -#define UVMEM_END (SZ_4G - SZ_8M) +#define UVMEM_END (SZ_2G - SZ_8M) + +#define RPC_STACK_TOP (UVMEM_END) +#define RPC_STACK_BASE (RPC_STACK_TOP - SZ_8M) + +#define TOP_PAGE_SIZE SZ_4M +#define DEFAULT_Sv_MODE Sv32 -#define RPC_STACK_TOP (SZ_4G) -#define RPC_STACK_BASE (SZ_4G - SZ_8M) #endif #endif /* APOS_RISCV_CONFIG_H */ |