[syslinux:master] memdisk/dskprobe: Increase the debug output
syslinux-bot for Gene Cumm
gene.cumm at gmail.com
Fri Apr 1 15:54:33 PDT 2011
Commit-ID: 91eae94265d72da0b6c57517f6d0dc05649e10cc
Gitweb: http://syslinux.zytor.com/commit/91eae94265d72da0b6c57517f6d0dc05649e10cc
Author: Gene Cumm <gene.cumm at gmail.com>
AuthorDate: Wed, 26 Jan 2011 20:59:04 -0500
Committer: Gene Cumm <gene.cumm at gmail.com>
CommitDate: Wed, 26 Jan 2011 21:00:22 -0500
memdisk/dskprobe: Increase the debug output
Include all registers that should include anything of value and display
the value of the "present" variable.
---
memdisk/dskprobe.c | 13 ++++++++-----
1 files changed, 8 insertions(+), 5 deletions(-)
diff --git a/memdisk/dskprobe.c b/memdisk/dskprobe.c
index ee7be12..9071fb0 100644
--- a/memdisk/dskprobe.c
+++ b/memdisk/dskprobe.c
@@ -58,7 +58,8 @@ static int probe_int13h_08h(uint8_t drive, com32sys_t * regs)
memset(regs, 0, sizeof *regs);
probe_any(0x08, drive, regs);
present = !(regs->eflags.l & 1) && !regs->eax.b[1];
- dskprobe_printf(" AH08: CF%d BL%02x DL%02x\n", regs->eflags.l & 1,
+ dskprobe_printf(" AH08: P%d CF%d AH%02x AL%02x BL%02x DL%02x\n", present,
+ regs->eflags.l & 1, regs->eax.b[1], regs->eax.b[0],
regs->ebx.b[0], regs->edx.b[0]);
return present;
}
@@ -73,8 +74,9 @@ static int probe_int13h_15h(uint8_t drive, com32sys_t * regs)
memset(regs, 0, sizeof *regs);
probe_any(0x15, drive, regs);
present = !(regs->eflags.l & 1) && regs->eax.b[1];
- dskprobe_printf(" AH15: CF%d AH%02x\n", regs->eflags.l & 1,
- regs->eax.b[1]);
+ dskprobe_printf(" AH15: P%d CF%d AH%02x AL%02x CX%04x DX%04x\n", present,
+ regs->eflags.l & 1, regs->eax.b[1], regs->eax.b[0],
+ regs->ecx.w[0], regs->edx.w[0]);
return present;
}
@@ -89,8 +91,9 @@ static int probe_int13h_41h(uint8_t drive, com32sys_t * regs)
regs->ebx.w[0] = 0x55AA; /* BX == 0x55AA */
probe_any(0x41, drive, regs);
present = !(regs->eflags.l & 1) && (regs->ebx.w[0] == 0xAA55);
- dskprobe_printf(" AH41: CF%d BX%04x AH%02x DH%02x\n", regs->eflags.l & 1,
- regs->ebx.w[0], regs->eax.b[1], regs->edx.b[1]);
+ dskprobe_printf(" AH41: P%d CF%d BX%04x AH%02x DH%02x\n", present,
+ regs->eflags.l & 1, regs->ebx.w[0], regs->eax.b[1],
+ regs->edx.b[1]);
return present;
}
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