03e8661a56
* kern/sparc64/dl.c: Rewritten for SPARCV9 ELF.
* kern/sparc64/cache.S: New file.
* kern/sparc64/cache.c: Removed.
* conf/sparc64-ieee1275.rmk (COMMON_ASFLAGS): Add -Av9.
(COMMON_CFLAGS): Add -mno-app-regs. Remove -mcpu=v9 and
-mtune=ultrasparc.
(COMMON_LDFLAGS): Add -melf64_sparc.
(grubof_HEADERS): Add sparc64/libgcc.h and machine/kernel.h.
(grubof_SOURCES): Use cache.S instead of cache.c.
(grubof_LDFLAGS): Add -mno-app-regs. Replace "-Xlinker
--oformat -Xlinker elf64-sparc" by "-Bstatic,-melf64_sparc".
(pkgdata_MODULES): Uncomment. Leave linux.mod and _linux.mod
commented though.
(normal_mod_SOURCES): Add normal/completion.c and normal/misc.c.
(_linux_mod_SOURCES, _linux_mod_CFLAGS, linux_mod_SOURCES)
(linux_mod_CFLAGS): Commented out.
(_linux_mod_LDFLAGS, linux_mod_LDFLAGS): New macro, commented
out because module isn't built.
(fshelp_mod_LDFLAGS, fat_mod_LDFLAGS, ext2_mod_LDFLAGS)
(ufs_mod_LDFLAGS, minix_mod_LDFLAGS, hfs_mod_LDFLAGS)
(jfs_mod_LDFLAGS, iso9660_mod_LDFLAGS, normal_mod_LDFLAGS)
(hello_mod_LDFLAGS, boot_mod_LDFLAGS, terminal_mod_LDFLAGS)
(ls_mod_LDFLAGS, cmp_mod_LDFLAGS, cat_mod_LDFLAGS)
(font_mod_LDFLAGS, amiga_mod_LDFLAGS, apple_mod_LDFLAGS)
(pc_mod_LDFLAGS, sun_mod_LDFLAGS, loopback_mod_LDFLAGS)
(suspend_mod_LDFLAGS, reboot_mod_LDFLAGS, halt_mod_LDFLAGS)
(help_mod_LDFLAGS, default_mod_LDFLAGS, timeout_mod_LDFLAGS)
(configfile_mod_LDFLAGS, search_mod_LDFLAGS, xfs_mod_SOURCES)
(xfs_mod_CFLAGS, xfs_mod_LDFLAGS, affs_mod_SOURCES)
(affs_mod_CFLAGS, affs_mod_LDFLAGS, sfs_mod_SOURCES)
(sfs_mod_CFLAGS, sfs_mod_LDFLAGS, gzio_mod_SOURCES)
(gzio_mod_CFLAGS, gzio_mod_LDFLAGS): New macro.
44 lines
1.9 KiB
ArmAsm
44 lines
1.9 KiB
ArmAsm
/* cache.S - Flush the processor cache for a specific region. */
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/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2005 Free Software Foundation, Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <grub/symbol.h>
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.file "cache.S"
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.text
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/*
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* void grub_arch_sync_caches (void *address, grub_size_t len)
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*/
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FUNCTION(grub_arch_sync_caches)
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save %o6, -0xC, %o6 ! Get a new register window,
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! reserve space on stack for
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! %i0, %i1, %i2
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brz,pn %i0, return ! Return if address == 0.
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nop
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brz,pn %i1, return ! Return if len == 0.
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clr %i2 ! index = 0.
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loop: flush %i0 + %i2 ! Flush address + index.
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cmp %i1, %i2 ! Compare len & index .
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bpos,a,pt %xcc, loop ! If len > index, loop.
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add %i2, 8, %i2 ! Go to next doubleword.
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return: ret ! Restore caller's register
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restore ! window and return.
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