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| author | Michael Brown | 2016-01-11 17:21:08 +0100 |
|---|---|---|
| committer | Michael Brown | 2016-01-11 17:22:16 +0100 |
| commit | 7d48affec200bc1d74f42813eca0c31d548d1167 (patch) | |
| tree | 9128afb4c8944dada71a928412b0ac98c93fbc03 /src/arch/i386 | |
| parent | [pxe] Colourise debug output (diff) | |
| download | ipxe-7d48affec200bc1d74f42813eca0c31d548d1167.tar.gz ipxe-7d48affec200bc1d74f42813eca0c31d548d1167.tar.xz ipxe-7d48affec200bc1d74f42813eca0c31d548d1167.zip | |
[pxe] Add debug message to display real-mode segment addresses
Signed-off-by: Michael Brown <mcb30@ipxe.org>
Diffstat (limited to 'src/arch/i386')
| -rw-r--r-- | src/arch/i386/interface/pxe/pxe_call.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/arch/i386/interface/pxe/pxe_call.c b/src/arch/i386/interface/pxe/pxe_call.c index 7da4d760..ed17a96a 100644 --- a/src/arch/i386/interface/pxe/pxe_call.c +++ b/src/arch/i386/interface/pxe/pxe_call.c @@ -54,6 +54,12 @@ extern void pxe_int_1a ( void ); /** INT 1A hooked flag */ static int int_1a_hooked = 0; +/** Real-mode code segment size */ +extern char _text16_memsz[]; + +/** Real-mode data segment size */ +extern char _data16_memsz[]; + /** PXENV_UNDI_TRANSMIT API call profiler */ static struct profiler pxe_api_tx_profiler __profiler = { .name = "pxeapi.tx" }; @@ -331,6 +337,11 @@ int pxe_start_nbp ( void ) { int discard_b, discard_c, discard_d, discard_D; uint16_t status; + DBGC ( &pxe_netdev, "PXE NBP starting with netdev %s, code %04x:%04x, " + "data %04x:%04x\n", ( pxe_netdev ? pxe_netdev->name : "<none>" ), + rm_cs, ( ( unsigned int ) _text16_memsz ), + rm_ds, ( ( unsigned int ) _data16_memsz ) ); + /* Allow restarting NBP via PXENV_RESTART_TFTP */ jmp = rmsetjmp ( pxe_restart_nbp ); if ( jmp ) |