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author | Joel Sherrill <joel.sherrill@OARcorp.com> | 2010-06-17 16:20:46 +0000 |
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committer | Joel Sherrill <joel.sherrill@OARcorp.com> | 2010-06-17 16:20:46 +0000 |
commit | 566a18061a1a0beb9546af015a73263bb89963c8 (patch) | |
tree | 260f73d989d633184f8911473de9f8085238369e /c/src/lib/libbsp/sparc64/shared/helenos/boot/genarch/balloc.c | |
parent | 2010-06-17 Joel Sherrill <joel.sherrill@oarcorp.com> (diff) | |
download | rtems-566a18061a1a0beb9546af015a73263bb89963c8.tar.bz2 |
2010-06-17 Joel Sherrill <joel.sherrill@oarcorp.com>
* ChangeLog, Makefile.am, acinclude.m4, configure.ac, shared/asm/asm.S,
shared/clock/ckinit.c, shared/console/conscfg.c,
shared/helenos/LICENSE, shared/helenos/README,
shared/helenos/boot/genarch/balloc.c,
shared/helenos/boot/genarch/ofw.c,
shared/helenos/boot/genarch/ofw_tree.c,
shared/helenos/boot/generic/string.c,
shared/helenos/boot/include/align.h,
shared/helenos/boot/include/balloc.h,
shared/helenos/boot/include/gentypes.h,
shared/helenos/boot/include/main.h,
shared/helenos/boot/include/ofw.h,
shared/helenos/boot/include/ofw_tree.h,
shared/helenos/boot/include/ofwarch.h,
shared/helenos/boot/include/register.h,
shared/helenos/boot/include/stack.h,
shared/helenos/boot/include/types.h,
shared/helenos/boot/sparc64/loader/main.c,
shared/helenos/boot/sparc64/loader/ofwarch.c,
shared/helenos/boot/sparc64/loader/ofwasm.S,
shared/helenos/kernel/genarch/include/ofw/ofw_tree.h,
shared/helenos/kernel/generic/include/align.h,
shared/helenos/kernel/sparc64/include/arch.h,
shared/helenos/kernel/sparc64/include/boot.h,
shared/helenos/kernel/sparc64/include/regdef.h,
shared/helenos/kernel/sparc64/include/stack.h,
shared/helenos/kernel/sparc64/include/mm/cache_spec.h,
shared/helenos/kernel/sparc64/include/mm/frame.h,
shared/helenos/kernel/sparc64/include/mm/mmu.h,
shared/helenos/kernel/sparc64/include/mm/page.h,
shared/helenos/kernel/sparc64/include/mm/tlb.h,
shared/helenos/kernel/sparc64/include/mm/tte.h,
shared/helenos/kernel/sparc64/include/mm/sun4u/frame.h,
shared/helenos/kernel/sparc64/include/mm/sun4u/mmu.h,
shared/helenos/kernel/sparc64/include/mm/sun4u/page.h,
shared/helenos/kernel/sparc64/include/mm/sun4u/tlb.h,
shared/helenos/kernel/sparc64/include/mm/sun4u/tte.h,
shared/helenos/kernel/sparc64/include/sun4u/arch.h,
shared/helenos/kernel/sparc64/src/cache.S,
shared/helenos/kernel/sparc64/src/sun4u/takemmu.S,
shared/include/asm.h, shared/include/traptable.h,
shared/start/start.S, shared/start/trap_table.S,
shared/startup/bspgetworkarea.c, shared/startup/bspstart.c,
shared/startup/linkcmds, shared/startup/setvec.c: New files.
Diffstat (limited to 'c/src/lib/libbsp/sparc64/shared/helenos/boot/genarch/balloc.c')
-rw-r--r-- | c/src/lib/libbsp/sparc64/shared/helenos/boot/genarch/balloc.c | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/sparc64/shared/helenos/boot/genarch/balloc.c b/c/src/lib/libbsp/sparc64/shared/helenos/boot/genarch/balloc.c new file mode 100644 index 0000000000..508bf85cb0 --- /dev/null +++ b/c/src/lib/libbsp/sparc64/shared/helenos/boot/genarch/balloc.c @@ -0,0 +1,74 @@ +/* + * Copyright (c) 2006 Jakub Jermar + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * - The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/* + * $Id$ + * + * Modifications are made to compile for RTEMS. Removes asm.h and replaces + * the necessary defines in-line + * + */ + + +#include <boot/balloc.h> +#if 0 +#include <asm.h> +#endif +#include <boot/types.h> +#include <boot/align.h> + +static ballocs_t *ballocs; +static uintptr_t phys_base; + +void balloc_init(ballocs_t *ball, uintptr_t base, uintptr_t kernel_base) +{ + ballocs = ball; + phys_base = base; + ballocs->base = kernel_base; + ballocs->size = 0; +} + +void *balloc(size_t size, size_t alignment) +{ + /* Enforce minimal alignment. */ + alignment = ALIGN_UP(alignment, 4); + + uintptr_t addr = phys_base + ALIGN_UP(ballocs->size, alignment); + + if (ALIGN_UP(ballocs->size, alignment) + size > BALLOC_MAX_SIZE) + return NULL; + + ballocs->size = ALIGN_UP(ballocs->size, alignment) + size; + + return (void *) addr; +} + +void *balloc_rebase(void *ptr) +{ + return (void *) ((uintptr_t) ptr - phys_base + ballocs->base); +} |