diff options
Diffstat (limited to 'arch/riscv64/config.h')
| -rw-r--r-- | arch/riscv64/config.h | 26 |
1 files changed, 12 insertions, 14 deletions
diff --git a/arch/riscv64/config.h b/arch/riscv64/config.h index 1d4a6e0..3eb2e72 100644 --- a/arch/riscv64/config.h +++ b/arch/riscv64/config.h @@ -22,7 +22,7 @@ /* --- START ARCH USER CONFIG VALUES --- */ /** Physical address to where the OS image will be loaded. */ -#define RAM_BASE 0x80000000 +//#define RAM_BASE 0x80000000 /* --- END ARCH USER CONFIG VALUES --- */ /* don't touch >:( */ @@ -37,20 +37,14 @@ /** \todo UBSAN is getting pretty close to this limit, should it be raised? */ #define PM_KERN_SIZE (SZ_256K) -/** Physical address to where the kernel proper will be relocated. */ -#define PM_KERN_BASE (RAM_BASE + FW_MAX_SIZE + PM_KERN_SIZE) +/** Virtual memory stack base. In this case, right after the kernel. */ +#define VM_STACK_BASE (VM_KERN + PM_KERN_SIZE) -/** Highest allowed physical address where kernel stuff may lie. */ -#define PM_KERN_TOP (PM_KERN_BASE + PM_KERN_SIZE) +/** Size of virtual memory stack. */ +#define VM_STACK_SIZE (SZ_4K) -/** Physical memory stack base. In this case, right after the kernel. */ -#define PM_STACK_BASE (PM_KERN_BASE + PM_KERN_SIZE) - -/** Size of physical memory stack. */ -#define PM_STACK_SIZE (SZ_256K) - -/** Top of physical memory stack. */ -#define PM_STACK_TOP (PM_STACK_BASE + PM_STACK_SIZE) +/** Top of virtual memory stack. */ +#define VM_STACK_TOP (VM_STACK_BASE + VM_STACK_SIZE) #if defined(riscv64) /* 64bit */ @@ -67,7 +61,11 @@ /** Direct mapping starts from this page. */ #define KSTART_PAGE 256UL -/** The RPC stack page. */ +/** + * The RPC stack page. + * @todo this should be page before KSTART, but currently + * RPC_STACK_TOP is too low (why? was there a reason to place it so low?) and overlaps. + */ #define CSTACK_PAGE 248UL /** User virtual memory space start. */ |