diff options
| -rw-r--r-- | sys/src/9/pc/l.s | 3 | ||||
| -rw-r--r-- | sys/src/9/pc64/l.s | 3 |
2 files changed, 6 insertions, 0 deletions
diff --git a/sys/src/9/pc/l.s b/sys/src/9/pc/l.s index 44071a634..0d28ab2f1 100644 --- a/sys/src/9/pc/l.s +++ b/sys/src/9/pc/l.s @@ -186,6 +186,9 @@ TEXT mode32bit(SB), $0 MOVL $PADDR(CPU0PTE), AX /* first page of page table */ MOVL $end-KZERO(SB), CX + + ADDL $(16*1024), CX /* qemu puts multiboot data after the kernel */ + ADDL $(BY2XPG-1), CX ANDL $~(BY2XPG-1), CX /* round to 4MB */ MOVL CX, MemMin-KZERO(SB) /* see memory.c */ diff --git a/sys/src/9/pc64/l.s b/sys/src/9/pc64/l.s index 94356a9fb..6736ec42b 100644 --- a/sys/src/9/pc64/l.s +++ b/sys/src/9/pc64/l.s @@ -149,6 +149,9 @@ TEXT _warp64<>(SB), 1, $-4 */ ADDL $PDO(KZERO), AX MOVL $end-KZERO(SB), CX + + ADDL $(16*1024), CX /* qemu puts multiboot data after the kernel */ + ADDL $(PGLSZ(1)-1), CX ANDL $~(PGLSZ(1)-1), CX MOVL CX, MemMin-KZERO(SB) /* see memory.c */ |