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When an UNDI API call fails, print everything there is to know about it.

This commit is contained in:
Michael Brown 2007-01-13 16:53:55 +00:00
parent 3b77c7aa1b
commit 5817c9f114
1 changed files with 20 additions and 3 deletions
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23
src/arch/i386/drivers/net/undinet.c
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@ -182,9 +182,6 @@ static int undinet_call ( struct undi_nic *undinic, unsigned int function,
*/
gateA20_set();
/* Copy parameter block back */
memcpy ( params, &undinet_params, params_len );
/* Determine return status code based on PXENV_EXIT and
* PXENV_STATUS
*/
@ -199,10 +196,30 @@ static int undinet_call ( struct undi_nic *undinic, unsigned int function,
rc = -EIO;
}
/* If anything goes wrong, print as much debug information as
* it's possible to give.
*/
if ( rc != 0 ) {
SEGOFF16_t rm_params = {
.segment = rm_ds,
.offset = (intptr_t) &__from_data16 ( undinet_params ),
};
DBGC ( undinic, "UNDINIC %p %s failed: %s\n", undinic,
undinet_function_name ( function ), strerror ( rc ) );
DBGC ( undinic, "UNDINIC %p parameters at %04x:%04x length "
"%#02x, entry point at %04x:%04x\n", undinic,
rm_params.segment, rm_params.offset, params_len,
undinic->entry.segment, undinic->entry.offset );
DBGC ( undinic, "UNDINIC %p parameters provided:\n", undinic );
DBGC_HDA ( undinic, rm_params, params, params_len );
DBGC ( undinic, "UNDINIC %p parameters returned:\n", undinic );
DBGC_HDA ( undinic, rm_params, &undinet_params, params_len );
}
/* Copy parameter block back */
memcpy ( params, &undinet_params, params_len );
return rc;
}