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| author | Michael Brown | 2006-05-20 14:28:44 +0200 |
|---|---|---|
| committer | Michael Brown | 2006-05-20 14:28:44 +0200 |
| commit | 4d0a0f822df719443f426ecce9b37fcf8e9a8e1d (patch) | |
| tree | 2c961498e116f72d42c652822030452bf2b90065 /src/drivers/net | |
| parent | READ CAPACITY (16) turns out to be an optional command (even though (diff) | |
| download | ipxe-4d0a0f822df719443f426ecce9b37fcf8e9a8e1d.tar.gz ipxe-4d0a0f822df719443f426ecce9b37fcf8e9a8e1d.tar.xz ipxe-4d0a0f822df719443f426ecce9b37fcf8e9a8e1d.zip | |
Use insb/outsb; it's marginally faster.
Diffstat (limited to 'src/drivers/net')
| -rw-r--r-- | src/drivers/net/pnic.c | 11 |
1 files changed, 2 insertions, 9 deletions
diff --git a/src/drivers/net/pnic.c b/src/drivers/net/pnic.c index 18f7b93b..efb3c6f4 100644 --- a/src/drivers/net/pnic.c +++ b/src/drivers/net/pnic.c @@ -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; } |