diff options
| -rw-r--r-- | bootmain.c | 14 |
1 files changed, 7 insertions, 7 deletions
@@ -73,17 +73,17 @@ readsect(void *dst, uint offset) insl(0x1F0, dst, SECTSIZE/4); } -// Read 'count' bytes at 'offset' from kernel into virtual address 'va'. +// Read 'count' bytes at 'offset' from kernel into physical address 'pa'. // Might copy more than asked. void -readseg(uchar* va, uint count, uint offset) +readseg(uchar* pa, uint count, uint offset) { - uchar* eva; + uchar* epa; - eva = va + count; + epa = pa + count; // Round down to sector boundary. - va -= offset % SECTSIZE; + pa -= offset % SECTSIZE; // Translate from bytes to sectors; kernel starts at sector 1. offset = (offset / SECTSIZE) + 1; @@ -91,6 +91,6 @@ readseg(uchar* va, uint count, uint offset) // If this is too slow, we could read lots of sectors at a time. // We'd write more to memory than asked, but it doesn't matter -- // we load in increasing order. - for(; va < eva; va += SECTSIZE, offset++) - readsect(va, offset); + for(; pa < epa; pa += SECTSIZE, offset++) + readsect(pa, offset); } |