On 06/21/2011 15:01, John Baldwin wrote:
Index: zfsldr.S =================================================================== --- zfsldr.S (revision 223339) +++ zfsldr.S (working copy) @@ -234,9 +234,12 @@ nread.1: xor %ecx,%ecx # Get callw read # Read from disk lea 0x10(%bp),%sp # Clear stack jnc return # If success, return - mov $msg_read,%si # Otherwise, set the error - # message and fall through to - # the error routine + mov %ah,%al # Format + mov $read_err,%di # error + call hex8 # code + mov $msg_read,%si # Set the error message and + # fall through to the error + # routine /* * Print out the error message pointed to by %ds:(%si) followed * by a prompt, wait for a keypress, and then reboot the machine. @@ -296,12 +299,28 @@ read.1: mov $msg_chs,%si jmp error msg_chs: .asciz "CHS not supported"+/* + * Convert AL to hex, saving the result to [EDI]. + */ +hex8: push %ax # Save + shrb $0x4,%al # Do upper + call hex8.1 # 4 + pop %ax # Restore +hex8.1: andb $0xf,%al # Get lower 4 + cmpb $0xa,%al # Convert + sbbb $0x69,%al # to hex + das # digit + orb $0x20,%al # To lower case + stosb # Save char + ret # (Recursive) + /* Messages */ -msg_read: .asciz "Read" -msg_part: .asciz "Boot" +msg_read: .ascii "Read error: " +read_err: .asciz "XX" +msg_part: .asciz "Boot error" -prompt: .asciz " error\r\n" +prompt: .asciz "\r\n" .org PRT_OFF,0x90
I get Read error: 01 Henri _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "[email protected]"
