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libdriver: make partition code use a contiguous buffer

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This commit is contained in:
David van Moolenbroek
2010-06-13 10:40:22 +00:00
parent 1b2c01db1b
commit eeab8e0680
5 changed files with 15 additions and 13 deletions
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9
lib/libdriver/driver.c
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@@ -434,9 +434,14 @@ PUBLIC void driver_init_buffer(void)
* be used to read partition tables and such. Its absolute address is
* 'tmp_phys', the normal address is 'tmp_buf'.
*/
vir_bytes size;
if(!(tmp_buf = alloc_contig(2*DMA_BUF_SIZE, AC_ALIGN4K, &tmp_phys)))
panic("can't allocate tmp_buf: %d", DMA_BUF_SIZE);
if (tmp_buf == NULL) {
size = MAX(2*DMA_BUF_SIZE, CD_SECTOR_SIZE);
if(!(tmp_buf = alloc_contig(size, AC_ALIGN4K, &tmp_phys)))
panic("can't allocate tmp_buf: %lu", size);
}
}
/*===========================================================================*