Basic VM and other minor improvements.

Not complete, probably not fully debugged or optimized.
This commit is contained in:
Ben Gras
2008-11-19 12:26:10 +00:00
parent c888305e21
commit c078ec0331
273 changed files with 10814 additions and 4305 deletions

View File

@@ -93,7 +93,7 @@ static tmra_ut or_watchdog;
#include <net/hton.h>
#include <net/gen/ether.h>
#include <net/gen/eth_io.h>
#include <sys/vm.h>
#include <sys/vm_i386.h>
#include <sys/types.h>
#include <fcntl.h>
#include <unistd.h>
@@ -738,24 +738,29 @@ static void map_hw_buffer(t_or *orp) {
char *buf, *abuf;
hermes_t *hw = &(orp->hw);
/* This way, the buffer will be at least PAGE_SIZE big: see
/* This way, the buffer will be at least I386_PAGE_SIZE big: see
* calculation with the offset */
size = 2 * PAGE_SIZE;
size = 2 * I386_PAGE_SIZE;
buf = (char *)malloc(size);
if(buf == NULL)
panic(__FILE__, "map_hw_buffer: cannot malloc size:", size);
/* Let the mapped memory by PAGE_SIZE aligned */
o = PAGE_SIZE - ((vir_bytes)buf % PAGE_SIZE);
/* Let the mapped memory by I386_PAGE_SIZE aligned */
o = I386_PAGE_SIZE - ((vir_bytes)buf % I386_PAGE_SIZE);
abuf = buf + o;
#if 0
r = sys_vm_map(SELF, 1, (vir_bytes)abuf,
1 * PAGE_SIZE, (phys_bytes)orp->or_base_port);
1 * I386_PAGE_SIZE, (phys_bytes)orp->or_base_port);
#else
r = ENOSYS;
#endif
if(r!=OK)
panic(__FILE__, "map_hw_buffer: sys_vm_map failed:", r);
hw->locmem = abuf;
}