Author: jkim
Date: Thu Sep 24 22:42:35 2009
New Revision: 197475
URL: http://svn.freebsd.org/changeset/base/197475
Log:
Dump real mode registers under bootverbose to help debugging BIOS emulator.
Modified:
head/sys/compat/x86bios/x86bios.c
Modified: head/sys/compat/x86bios/x86bios.c
==============================================================================
--- head/sys/compat/x86bios/x86bios.c Thu Sep 24 21:35:13 2009
(r197474)
+++ head/sys/compat/x86bios/x86bios.c Thu Sep 24 22:42:35 2009
(r197475)
@@ -97,6 +97,11 @@ x86bios_intr(struct x86regs *regs, int i
if (intno < 0 || intno > 255)
return;
+ if (bootverbose)
+ printf("Calling real mode int 0x%x "
+ "(ax=0x%04x bx=0x%04x cx=0x%04x dx=0x%04x)\n",
+ intno, regs->R_AX, regs->R_BX, regs->R_CX, regs->R_DX);
+
mtx_lock_spin(&x86bios_lock);
memcpy(&x86bios_emu.x86, regs, sizeof(*regs));
@@ -104,6 +109,11 @@ x86bios_intr(struct x86regs *regs, int i
memcpy(regs, &x86bios_emu.x86, sizeof(*regs));
mtx_unlock_spin(&x86bios_lock);
+
+ if (bootverbose)
+ printf("Exiting real mode int 0x%x "
+ "(ax=0x%04x bx=0x%04x cx=0x%04x dx=0x%04x)\n",
+ intno, regs->R_AX, regs->R_BX, regs->R_CX, regs->R_DX);
}
void *
_______________________________________________
svn-src-all@freebsd.org mailing list
http://lists.freebsd.org/mailman/listinfo/svn-src-all
To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
