From: Michael Brown <mcb30@etherboot.org>
Date: Tue, 10 Jul 2007 15:57:55 +0000 (+0100)
Subject: Dump first 64 bytes of chained ISR when debugging is enabled.
X-Git-Tag: v0.9.3~218
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fb16f9069953bb0d9fd10dfde48d40f8918de86f;p=thirdparty%2Fipxe.git

Dump first 64 bytes of chained ISR when debugging is enabled.
---

diff --git a/src/arch/i386/interface/pcbios/biosint.c b/src/arch/i386/interface/pcbios/biosint.c
index 5a48f0479..8ef2d7ab2 100644
--- a/src/arch/i386/interface/pcbios/biosint.c
+++ b/src/arch/i386/interface/pcbios/biosint.c
@@ -51,6 +51,12 @@ void hook_bios_interrupt ( unsigned int interrupt, unsigned int handler,
 			 sizeof ( *chain_vector ) );
 	DBG ( "...chaining to %04x:%04x\n",
 	      chain_vector->segment, chain_vector->offset );
+	if ( DBG_LOG ) {
+		char code[64];
+		copy_from_real ( code, chain_vector->segment,
+				 chain_vector->offset, sizeof ( code ) );
+		DBG_HDA ( *chain_vector, code, sizeof ( code ) );
+	}
 
 	copy_to_real ( 0, ( interrupt * 4 ), &vector, sizeof ( vector ) );
 	hooked_bios_interrupts++;