diff options
Diffstat (limited to 'memlayout.h')
| -rw-r--r-- | memlayout.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/memlayout.h b/memlayout.h index 1a6b200..db233f7 100644 --- a/memlayout.h +++ b/memlayout.h @@ -2,6 +2,7 @@ // qemu -machine virt is set up like this: // 00001000 -- boot ROM, provided by qemu +// 0C000000 -- PLIC // 10000000 -- uart0 registers // 80000000 -- boot ROM jumps here in machine mode // -kernel loads the kernel here @@ -26,7 +27,7 @@ // for use by the kernel and user pages // from physical address 0x80000000 to PHYSTOP. #define KERNBASE 0x80000000L -#define PHYSTOP (KERNBASE + 64*1024*1024) +#define PHYSTOP (KERNBASE + 128*1024*1024) // map the trampoline page to the highest address, // in both user and kernel space. |