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diskio: add debugging

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Signed-off-by: Blue Swirl <blauwirbel@gmail.com>

git-svn-id: svn://coreboot.org/openbios/trunk/openbios-devel@838 f158a5a8-5612-0410-a976-696ce0be7e32
This commit is contained in:
Blue Swirl
2010-08-07 12:49:50 +00:00
parent 3fad9a0185
commit 76715fe930
1 changed files with 16 additions and 0 deletions
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16
libc/diskio.c
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@@ -18,6 +18,14 @@
#include "libopenbios/bindings.h"
#include "libc/diskio.h"
//#define CONFIG_DEBUG_DISKIO
#ifdef CONFIG_DEBUG_DISKIO
#define DPRINTF(fmt, args...) \
do { printk(fmt , ##args); } while (0)
#else
#define DPRINTF(fmt, args...)
#endif
typedef struct {
ihandle_t ih;
int do_close;
@@ -73,6 +81,7 @@ open_ih( ihandle_t ih )
fdp->do_close = 0;
file_descriptors[fd]=fdp;
DPRINTF("%s(0x%lx) = %d\n", __func__, (unsigned long)ih, fd);
return fd;
}
@@ -83,6 +92,7 @@ open_io( const char *spec )
ihandle_t ih = open_dev( spec );
priv_fd_t *fdp;
DPRINTF("%s(%s)\n", __func__, spec);
if( !ih )
return -1;
@@ -110,6 +120,7 @@ reopen( int fd, const char *filename )
call_package( fdp->reopen_xt, fdp->ih );
ret = (POP() == (ucell)-1)? 0 : -1;
DPRINTF("%s(%d, %s) = %d\n", __func__, fd, filename, ret);
return ret;
}
@@ -118,6 +129,7 @@ reopen_nwrom( int fd )
{
priv_fd_t *fdp = file_descriptors[fd];
DPRINTF("%s(%d)\n", __func__, fd);
if( lookup_xt(fdp->ih, "open-nwrom", &fdp->open_nwrom_xt) )
return -1;
call_package( fdp->open_nwrom_xt, fdp->ih );
@@ -167,6 +179,7 @@ read_io( int fd, void *buf, size_t cnt )
priv_fd_t *fdp;
ucell ret;
DPRINTF("%s(%d, %p, %u)\n", __func__, fd, buf, cnt);
if (fd != -1) {
fdp = file_descriptors[fd];
@@ -189,6 +202,7 @@ seek_io( int fd, long long offs )
{
priv_fd_t *fdp;
DPRINTF("%s(%d, %lld)\n", __func__, fd, offs);
if (fd != -1) {
fdp = file_descriptors[fd];
@@ -210,6 +224,7 @@ tell( int fd )
return -1;
call_package( fdp->tell_xt, fdp->ih );
offs = DPOP();
DPRINTF("%s(%d) = %lld\n", __func__, fd, offs);
return offs;
}
@@ -218,6 +233,7 @@ close_io( int fd )
{
priv_fd_t *fdp;
DPRINTF("%s(%d)\n", __func__, fd);
if (fd != -1) {
fdp = file_descriptors[fd];