diff options
Diffstat (limited to 'newlib/libc/sys/go32/clock.S')
| -rw-r--r-- | newlib/libc/sys/go32/clock.S | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/newlib/libc/sys/go32/clock.S b/newlib/libc/sys/go32/clock.S new file mode 100644 index 000000000..198c7e6e8 --- /dev/null +++ b/newlib/libc/sys/go32/clock.S @@ -0,0 +1,45 @@ +/* This is file CLOCK.S */ +/* +** Copyright (C) 1993 DJ Delorie +** +** This file is distributed under the terms listed in the document +** "copying.dj". +** A copy of "copying.dj" should accompany this file; if not, a copy +** should be available from where this file was obtained. This file +** may not be distributed without a verbatim copy of "copying.dj". +** +** This file is distributed WITHOUT ANY WARRANTY; without even the implied +** warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. +** +** Modified by C. Sandmann for DPMI support (sandmann@clio.rice.edu) +*/ + .data +clock_init: + .long 0 + + .text + .globl _clock +_clock: + call _rawclock + imull $54931,%eax,%eax + ret + + .align 4,0x90 + .globl _rawclock +_rawclock: + movzwl __core_select,%eax + testl %eax,%eax + je old_clock /* Image run with pre-DPMI extender */ + movw %ax,%gs + movl %gs:0x46c(,1),%eax + jmp check_initted +old_clock: + movl 0xe000046c,%eax +check_initted: + cmp $0,clock_init + jne clock_initted + movl %eax,clock_init +clock_initted: + subl clock_init,%eax + ret + |