newlib/libgloss/sparc_leon/asm-leon/stack.h
Jeff Johnston 8e0346d137 2011-12-15 Konrad Eisele <konrad@gaisler.com>
* configure.in: Add SPARC LEON support.
        * configure: Regenerated.
        * sparc_leon/asm-leon/amba.h, sparc_leon/asm-leon/asmmacro.h,
        sparc_leon/asm-leon/clock.h, sparc_leon/asm-leon/contextswitch.h,
        sparc_leon/asm-leon/elfmacro.h, sparc_leon/asm-leon/head.h,
        sparc_leon/asm-leon/irq.h, sparc_leon/asm-leon/jiffies.h,
        sparc_leon/asm-leon/lambapp.h, sparc_leon/asm-leon/lambapp_devs.h,
        sparc_leon/asm-leon/leon.h, sparc_leon/asm-leon/leon3.h,
        sparc_leon/asm-leon/leonbare_debug.h, sparc_leon/asm-leon/leonbare_kernel.h,
        sparc_leon/asm-leon/leonbare_kernel_queue.h, sparc_leon/asm-leon/leoncompat.h,
        sparc_leon/asm-leon/leondbg.h, sparc_leon/asm-leon/leonstack.h,
        sparc_leon/asm-leon/liblocks.h, sparc_leon/asm-leon/linkage.h,
        sparc_leon/asm-leon/param.h, sparc_leon/asm-leon/queue.h,
        sparc_leon/asm-leon/spinlock.h, sparc_leon/asm-leon/stack.h,
        sparc_leon/asm-leon/time.h, sparc_leon/asm-leon/timer.h,
        sparc_leon/asm-leon/types.h, sparc_leon/asm-leon/winmacros.h:
        New file.
        * sparc_leon/Makefile.in, sparc_leon/_exit.c,
        sparc_leon/amba.c, sparc_leon/amba_dbg.c,
        sparc_leon/amba_driver.c, sparc_leon/amba_scan.c,
        sparc_leon/asm-leon, sparc_leon/bdinit.S,
        sparc_leon/busscan.S, sparc_leon/cacheA.S,
        sparc_leon/catch_interrupt.c, sparc_leon/catch_interrupt_mvt.c,
        sparc_leon/catch_interrupt_pending.c, sparc_leon/catch_interrupt_svt.c,
        sparc_leon/configure.in,
        sparc_leon/console.c, sparc_leon/console_dbg.c,
        sparc_leon/console_init.c, sparc_leon/contextswitch.c,
        sparc_leon/contextswitch_asm.S, sparc_leon/crt0.S,
        sparc_leon/crti.S, sparc_leon/crtn.S,
        sparc_leon/etrap.S, sparc_leon/etrap_fast.S,
        sparc_leon/fpu.S, sparc_leon/gettimeofday.c,
        sparc_leon/initcalls.c, sparc_leon/io.c,
        sparc_leon/irqinstall.S, sparc_leon/irqtrap.S,
        sparc_leon/irqtrap_fast.S, sparc_leon/jiffies.c,
        sparc_leon/kernel.c, sparc_leon/kernel_context.S,
        sparc_leon/kernel_debug.c, sparc_leon/kernel_debug_var.c,
        sparc_leon/kernel_mm.c, sparc_leon/kernel_mutex.c,
        sparc_leon/kernel_queue.c, sparc_leon/kernel_sched.c,
        sparc_leon/kernel_thread.c, sparc_leon/lcpuinit.S,
        sparc_leon/locore.S, sparc_leon/locore_atexit.c,
        sparc_leon/locore_clean.S, sparc_leon/locore_mvt.S,
        sparc_leon/locore_mvt_reset.S, sparc_leon/locore_svt.S,
        sparc_leon/locore_svt_reset.S, sparc_leon/locore_svtdisp.S,
        sparc_leon/locore_var.S, sparc_leon/locore_var_svt.S,
        sparc_leon/mmu_asm.S, sparc_leon/mutex.c,
        sparc_leon/nocache.S, sparc_leon/pnpinit.c,
        sparc_leon/pnpinit_malloc.c, sparc_leon/pnpinit_simple.c,
        sparc_leon/regwin.S, sparc_leon/regwin_patch.c,
        sparc_leon/regwin_slow.S, sparc_leon/regwinflush.S,
        sparc_leon/rtc.c, sparc_leon/rtrap.S,
        sparc_leon/rtrap_fast.S, sparc_leon/stop.S,
        sparc_leon/timer.c, sparc_leon/times.c:
        New file
        * sparc_leon/configure: Regenerate
2011-12-15 22:58:40 +00:00

78 lines
2.3 KiB
C

/*
* Copyright (c) 2011 Aeroflex Gaisler
*
* BSD license:
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#ifndef _SYS_STACK_H_
#define _SYS_STACK_H_
#if !defined(_ASM)
#include <sys/types.h>
#endif
#ifdef __cplusplus
extern "C"
{
#endif
/*
* A stack frame looks like:
*
* %fp->| |
* |-------------------------------|
* | Locals, temps, saved floats |
* |-------------------------------|
* | outgoing parameters past 6 |
* |-------------------------------|-\
* | 6 words for callee to dump | |
* | register arguments | |
* |-------------------------------| > minimum stack frame
* | One word struct-ret address | |
* |-------------------------------| |
* | 16 words to save IN and | |
* %sp->| LOCAL register on overflow | |
* |-------------------------------|-/
*/
/*
* Constants defining a 32-bit stack frame.
*/
#define WINDOWSIZE (16*4) /* size of window save area */
#define ARGPUSHSIZE (6*4) /* size of arg dump area */
#define ARGPUSH (WINDOWSIZE + 4) /* arg dump area offset */
#define MINFRAME (WINDOWSIZE + ARGPUSHSIZE + 4) /* min frame */
#define STACK_GROWTH_DOWN /* stacks grow from high to low addresses */
/*
* Stack alignment macros.
*/
#define STACK_ALIGN 8
#define SA(X) (((X)+(STACK_ALIGN-1)) & ~(STACK_ALIGN-1))
#ifdef __cplusplus
}
#endif
#endif /* _SYS_STACK_H */