diff options
| author | Michael Brown | 2014-03-14 13:46:23 +0100 |
|---|---|---|
| committer | Michael Brown | 2014-03-20 13:36:14 +0100 |
| commit | 87b59677ba4ae9f1bcb0f685eaa18bb756c48a19 (patch) | |
| tree | cdf3c73718ce6f1746a25592ad7cfb8bdacc8895 /src/drivers | |
| parent | [efi] Disable SNP devices when running iPXE as the application (diff) | |
| download | ipxe-87b59677ba4ae9f1bcb0f685eaa18bb756c48a19.tar.gz ipxe-87b59677ba4ae9f1bcb0f685eaa18bb756c48a19.tar.xz ipxe-87b59677ba4ae9f1bcb0f685eaa18bb756c48a19.zip | |
[realtek] Add ability to dump all internal registers
Signed-off-by: Michael Brown <mcb30@ipxe.org>
Diffstat (limited to 'src/drivers')
| -rw-r--r-- | src/drivers/net/realtek.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/src/drivers/net/realtek.c b/src/drivers/net/realtek.c index 41f4ec23b..7c6f86895 100644 --- a/src/drivers/net/realtek.c +++ b/src/drivers/net/realtek.c @@ -50,6 +50,33 @@ FILE_LICENCE ( GPL2_OR_LATER ); /****************************************************************************** * + * Debugging + * + ****************************************************************************** + */ + +/** + * Dump all registers (for debugging) + * + * @v rtl Realtek device + */ +static __attribute__ (( unused )) void realtek_dump ( struct realtek_nic *rtl ){ + uint8_t regs[256]; + unsigned int i; + + /* Do nothing unless debug output is enabled */ + if ( ! DBG_LOG ) + return; + + /* Dump registers (via byte accesses; may not work for all registers) */ + for ( i = 0 ; i < sizeof ( regs ) ; i++ ) + regs[i] = readb ( rtl->regs + i ); + DBGC ( rtl, "REALTEK %p register dump:\n", rtl ); + DBGC_HDA ( rtl, 0, regs, sizeof ( regs ) ); +} + +/****************************************************************************** + * * EEPROM interface * ****************************************************************************** |