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Use insb/outsb; it's marginally faster.

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This commit is contained in:
Michael Brown 2006-05-20 12:28:44 +00:00
parent 402ba15c64
commit 4d0a0f822d
1 changed files with 2 additions and 9 deletions
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11
src/drivers/net/pnic.c
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@ -44,7 +44,6 @@ static uint16_t pnic_command_quiet ( struct pnic *pnic, uint16_t command,
void *input, uint16_t input_length,
void *output, uint16_t output_max_length,
uint16_t *output_length ) {
int i;
uint16_t status;
uint16_t _output_length;
@ -52,10 +51,7 @@ static uint16_t pnic_command_quiet ( struct pnic *pnic, uint16_t command,
/* Write input length */
outw ( input_length, pnic->ioaddr + PNIC_REG_LEN );
/* Write input data */
for ( i = 0; i < input_length; i++ ) {
outb( ((char*)input)[i],
pnic->ioaddr + PNIC_REG_DATA );
}
outsb ( pnic->ioaddr + PNIC_REG_DATA, input, input_length );
}
/* Write command */
outw ( command, pnic->ioaddr + PNIC_REG_CMD );
@ -80,10 +76,7 @@ static uint16_t pnic_command_quiet ( struct pnic *pnic, uint16_t command,
_output_length = output_max_length;
}
/* Retrieve output data */
for ( i = 0; i < _output_length; i++ ) {
((char*)output)[i] =
inb ( pnic->ioaddr + PNIC_REG_DATA );
}
insb ( pnic->ioaddr + PNIC_REG_DATA, output, _output_length );
}
return status;
}