diff options
Diffstat (limited to 'parseconfig.inc')
| -rw-r--r-- | parseconfig.inc | 26 |
1 files changed, 11 insertions, 15 deletions
diff --git a/parseconfig.inc b/parseconfig.inc index 739a884b..90c1f3c9 100644 --- a/parseconfig.inc +++ b/parseconfig.inc @@ -399,23 +399,12 @@ commit_vk: xor ax,ax rep stosb - ; Pack temporarily into trackbuf + ; Pack into high memory mov si,VKernelBuf - mov di,trackbuf + mov edi,[VKernelEnd] mov cx,vk_size call rllpack - ; Now DX = number of bytes - mov di,[VKernelBytes] - mov cx,dx - add dx,di - jc .overflow ; If > 1 segment - mov [VKernelBytes],dx - mov si,trackbuf - push es - push word vk_seg - pop es - rep movsb - pop es + mov [VKernelEnd],edi ret .overflow: mov si,vk_overflow_msg @@ -426,6 +415,14 @@ commit_vk: vk_overflow_msg db 'Out of memory parsing config file', CR, LF, 0 SerialNotice db 1 ; Only print this once + section .bss + alignb 4 +VKernelEnd resd 1 ; Lowest high memory address used + + ; This symbol should be used by loaders to indicate + ; the highest address *they* are allowed to use. +HighMemRsvd equ VKernelEnd + ; by vkernels section .config align 4, db 0 KbdTimeout dd 0 ; Keyboard timeout (if any) @@ -440,7 +437,6 @@ AllowImplicit dw 1 ; Allow implicit kernels AllowOptions dw 1 ; User-specified options allowed IncludeLevel dw 1 ; Nesting level SerialPort dw 0 ; Serial port base (or 0 for no serial port) -VKernelBytes dw 0 ; Number of bytes used by vkernels VKernel db 0 ; Have we seen any "label" statements? %if IS_PXELINUX |