diff options
author | Joel Sherrill <joel.sherrill@OARcorp.com> | 2008-04-17 23:09:42 +0000 |
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committer | Joel Sherrill <joel.sherrill@OARcorp.com> | 2008-04-17 23:09:42 +0000 |
commit | f9af0c1565031ee762251785299b226f32f43bd4 (patch) | |
tree | 43e41c61eb5fc0330a20964dcf7ed5f1a0f6a3c6 /c/src/lib/libbsp/arm/nds/libnds/source/arm9/dcache.S | |
parent | 2008-04-17 Joel Sherrill <joel.sherrill@oarcorp.com> (diff) | |
download | rtems-f9af0c1565031ee762251785299b226f32f43bd4.tar.bz2 |
2008-04-17 Joel Sherrill <joel.sherrill@OARcorp.com>
* Makefile.am: Move .s files to .S
* dswifi/common/source/spinlock.S, libfat/source/disc_io/io_dldi.S,
libfat/source/disc_io/io_scsd_s.S, libnds/source/arm9/COS.S,
libnds/source/arm9/SIN.S, libnds/source/arm9/TAN.S,
libnds/source/arm9/dcache.S, libnds/source/arm9/default_font.S,
libnds/source/arm9/icache.S, libnds/source/common/biosCalls.S,
libnds/source/common/interruptDispatcher.S: New files.
* dswifi/common/source/spinlock.s, libfat/source/disc_io/io_dldi.s,
libfat/source/disc_io/io_scsd_s.s, libnds/source/arm9/COS.s,
libnds/source/arm9/SIN.s, libnds/source/arm9/TAN.s,
libnds/source/arm9/dcache.s, libnds/source/arm9/default_font.s,
libnds/source/arm9/exceptionHandler.s, libnds/source/arm9/icache.s,
libnds/source/common/biosCalls.s,
libnds/source/common/interruptDispatcher.s: Removed.
Diffstat (limited to '')
-rw-r--r-- | c/src/lib/libbsp/arm/nds/libnds/source/arm9/dcache.S | 245 |
1 files changed, 245 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/arm/nds/libnds/source/arm9/dcache.S b/c/src/lib/libbsp/arm/nds/libnds/source/arm9/dcache.S new file mode 100644 index 0000000000..1b3943164f --- /dev/null +++ b/c/src/lib/libbsp/arm/nds/libnds/source/arm9/dcache.S @@ -0,0 +1,245 @@ +/*--------------------------------------------------------------------------------- + $Id$ + + Copyright (C) 2005 + Michael Noland (joat) + Jason Rogers (dovoto) + Dave Murphy (WinterMute) + + This software is provided 'as-is', without any express or implied + warranty. In no event will the authors be held liable for any + damages arising from the use of this software. + + Permission is granted to anyone to use this software for any + purpose, including commercial applications, and to alter it and + redistribute it freely, subject to the following restrictions: + + 1. The origin of this software must not be misrepresented; you + must not claim that you wrote the original software. If you use + this software in a product, an acknowledgment in the product + documentation would be appreciated but is not required. + 2. Altered source versions must be plainly marked as such, and + must not be misrepresented as being the original software. + 3. This notice may not be removed or altered from any source + distribution. + + $Log$ + Revision 1.1 2008/04/16 18:37:32 joel + 2008-04-16 Matthieu Bucchianeri <mbucchia@gmail.com> + + * ChangeLog, Makefile.am, README, bsp_specs, configure.ac, + mk_libnds.sh, patch.libnds, preinstall.am, block/block.c, + clock/clock.c, console/console.c, coproc/coproc.S, coproc/coproc.c, + coproc/coproc.ld, dswifi/dswifi_license.txt, dswifi/makefile, + dswifi/arm7/makefile, dswifi/arm7/source/wifi_arm7.c, + dswifi/arm7/source/wifi_arm7.h, dswifi/arm9/makefile, + dswifi/arm9/source/sgIP.c, dswifi/arm9/source/sgIP.h, + dswifi/arm9/source/sgIP_ARP.c, dswifi/arm9/source/sgIP_ARP.h, + dswifi/arm9/source/sgIP_Config.h, dswifi/arm9/source/sgIP_DHCP.c, + dswifi/arm9/source/sgIP_DHCP.h, dswifi/arm9/source/sgIP_DNS.c, + dswifi/arm9/source/sgIP_DNS.h, dswifi/arm9/source/sgIP_Hub.c, + dswifi/arm9/source/sgIP_Hub.h, dswifi/arm9/source/sgIP_ICMP.c, + dswifi/arm9/source/sgIP_ICMP.h, dswifi/arm9/source/sgIP_IP.c, + dswifi/arm9/source/sgIP_IP.h, dswifi/arm9/source/sgIP_TCP.c, + dswifi/arm9/source/sgIP_TCP.h, dswifi/arm9/source/sgIP_UDP.c, + dswifi/arm9/source/sgIP_UDP.h, dswifi/arm9/source/sgIP_memblock.c, + dswifi/arm9/source/sgIP_memblock.h, + dswifi/arm9/source/sgIP_sockets.c, dswifi/arm9/source/sgIP_sockets.h, + dswifi/arm9/source/wifi_arm9.c, dswifi/arm9/source/wifi_arm9.h, + dswifi/common/source/dsregs.h, dswifi/common/source/spinlock.h, + dswifi/common/source/spinlock.s, dswifi/common/source/wifi_shared.h, + dswifi/include/dswifi7.h, dswifi/include/dswifi9.h, + dswifi/include/dswifi_version.h, dswifi/include/netdb.h, + dswifi/include/sgIP_errno.h, dswifi/include/netinet/in.h, fb/fb.c, + fb/fb.h, include/bsp.h, include/my_ipc.h, include/tm27.h, + include/types.h, include/sys/iosupport.h, irq/irq.c, irq/irq.h, + libfat/gba/include/fat.h, libfat/include/fat.h, + libfat/nds/include/fat.h, libfat/source/bit_ops.h, + libfat/source/cache.c, libfat/source/cache.h, libfat/source/common.h, + libfat/source/directory.c, libfat/source/directory.h, + libfat/source/fatdir.c, libfat/source/fatdir.h, + libfat/source/fatfile.c, libfat/source/fatfile.h, + libfat/source/file_allocation_table.c, + libfat/source/file_allocation_table.h, libfat/source/filetime.c, + libfat/source/filetime.h, libfat/source/libfat.c, + libfat/source/mem_allocate.h, libfat/source/partition.c, + libfat/source/partition.h, libfat/source/disc_io/disc.c, + libfat/source/disc_io/disc.h, libfat/source/disc_io/disc_io.h, + libfat/source/disc_io/io_cf_common.c, + libfat/source/disc_io/io_cf_common.h, + libfat/source/disc_io/io_dldi.h, libfat/source/disc_io/io_dldi.s, + libfat/source/disc_io/io_efa2.c, libfat/source/disc_io/io_efa2.h, + libfat/source/disc_io/io_fcsr.c, libfat/source/disc_io/io_fcsr.h, + libfat/source/disc_io/io_m3_common.c, + libfat/source/disc_io/io_m3_common.h, + libfat/source/disc_io/io_m3cf.c, libfat/source/disc_io/io_m3cf.h, + libfat/source/disc_io/io_m3sd.c, libfat/source/disc_io/io_m3sd.h, + libfat/source/disc_io/io_mpcf.c, libfat/source/disc_io/io_mpcf.h, + libfat/source/disc_io/io_njsd.c, libfat/source/disc_io/io_njsd.h, + libfat/source/disc_io/io_nmmc.c, libfat/source/disc_io/io_nmmc.h, + libfat/source/disc_io/io_sc_common.c, + libfat/source/disc_io/io_sc_common.h, + libfat/source/disc_io/io_sccf.c, libfat/source/disc_io/io_sccf.h, + libfat/source/disc_io/io_scsd.c, libfat/source/disc_io/io_scsd.h, + libfat/source/disc_io/io_scsd_s.s, + libfat/source/disc_io/io_sd_common.c, + libfat/source/disc_io/io_sd_common.h, libnds/Makefile.arm7, + libnds/Makefile.arm9, libnds/libnds_license.txt, + libnds/basicARM7/source/defaultARM7.c, + libnds/include/default_font_bin.h, libnds/include/gbfs.h, + libnds/include/nds.h, libnds/include/nds/bios.h, + libnds/include/nds/card.h, libnds/include/nds/dma.h, + libnds/include/nds/interrupts.h, libnds/include/nds/ipc.h, + libnds/include/nds/jtypes.h, libnds/include/nds/memory.h, + libnds/include/nds/registers_alt.h, libnds/include/nds/reload.h, + libnds/include/nds/system.h, libnds/include/nds/timers.h, + libnds/include/nds/arm7/audio.h, libnds/include/nds/arm7/clock.h, + libnds/include/nds/arm7/serial.h, libnds/include/nds/arm7/touch.h, + libnds/include/nds/arm9/background.h, + libnds/include/nds/arm9/boxtest.h, libnds/include/nds/arm9/cache.h, + libnds/include/nds/arm9/console.h, + libnds/include/nds/arm9/exceptions.h, + libnds/include/nds/arm9/image.h, libnds/include/nds/arm9/input.h, + libnds/include/nds/arm9/math.h, libnds/include/nds/arm9/ndsmotion.h, + libnds/include/nds/arm9/pcx.h, libnds/include/nds/arm9/postest.h, + libnds/include/nds/arm9/rumble.h, libnds/include/nds/arm9/sound.h, + libnds/include/nds/arm9/sprite.h, libnds/include/nds/arm9/trig_lut.h, + libnds/include/nds/arm9/video.h, libnds/include/nds/arm9/videoGL.h, + libnds/source/arm7/audio.c, libnds/source/arm7/clock.c, + libnds/source/arm7/microphone.c, libnds/source/arm7/spi.c, + libnds/source/arm7/touch.c, libnds/source/arm7/userSettings.c, + libnds/source/arm9/COS.bin, libnds/source/arm9/COS.s, + libnds/source/arm9/SIN.bin, libnds/source/arm9/SIN.s, + libnds/source/arm9/TAN.bin, libnds/source/arm9/TAN.s, + libnds/source/arm9/boxtest.c, libnds/source/arm9/console.c, + libnds/source/arm9/dcache.s, libnds/source/arm9/default_font.bin, + libnds/source/arm9/default_font.s, + libnds/source/arm9/exceptionHandler.S, + libnds/source/arm9/exceptionHandler.s, + libnds/source/arm9/exceptions.c, libnds/source/arm9/gurumeditation.c, + libnds/source/arm9/icache.s, libnds/source/arm9/image.c, + libnds/source/arm9/initSystem.c, libnds/source/arm9/keys.c, + libnds/source/arm9/ndsmotion.c, libnds/source/arm9/pcx.c, + libnds/source/arm9/rumble.c, libnds/source/arm9/sound.c, + libnds/source/arm9/system.c, libnds/source/arm9/touch.c, + libnds/source/arm9/video.c, libnds/source/arm9/videoGL.c, + libnds/source/common/biosCalls.s, libnds/source/common/card.c, + libnds/source/common/gbfs.c, + libnds/source/common/interruptDispatcher.s, + libnds/source/common/interrupts.c, rtc/rtc.c, sound/sound.c, + sound/sound.h, start/start.S, startup/linkcmds, startup/start.c, + timer/timer.c, tools/Makefile.am, tools/bin2s, tools/bin2s.c, + tools/configure.ac, tools/runtest, + tools/ndstool/include/arm7_sha1_homebrew.h, + tools/ndstool/include/arm7_sha1_nintendo.h, + tools/ndstool/include/banner.h, tools/ndstool/include/bigint.h, + tools/ndstool/include/crc.h, tools/ndstool/include/default_icon.h, + tools/ndstool/include/encryption.h, tools/ndstool/include/header.h, + tools/ndstool/include/hook.h, tools/ndstool/include/little.h, + tools/ndstool/include/loadme.h, tools/ndstool/include/logo.h, + tools/ndstool/include/ndscreate.h, + tools/ndstool/include/ndsextract.h, tools/ndstool/include/ndstool.h, + tools/ndstool/include/ndstree.h, tools/ndstool/include/overlay.h, + tools/ndstool/include/passme.h, tools/ndstool/include/passme_sram.h, + tools/ndstool/include/passme_vhd1.h, + tools/ndstool/include/passme_vhd2.h, tools/ndstool/include/raster.h, + tools/ndstool/include/sha1.h, tools/ndstool/include/types.h, + tools/ndstool/source/arm7_sha1_homebrew.c, + tools/ndstool/source/arm7_sha1_nintendo.c, + tools/ndstool/source/banner.cpp, tools/ndstool/source/bigint.cpp, + tools/ndstool/source/compile_date.c, tools/ndstool/source/crc.cpp, + tools/ndstool/source/default_icon.c, + tools/ndstool/source/encryption.cpp, tools/ndstool/source/header.cpp, + tools/ndstool/source/hook.cpp, tools/ndstool/source/loadme.c, + tools/ndstool/source/logo.cpp, tools/ndstool/source/ndscodes.cpp, + tools/ndstool/source/ndscreate.cpp, + tools/ndstool/source/ndsextract.cpp, + tools/ndstool/source/ndstool.cpp, tools/ndstool/source/ndstree.cpp, + tools/ndstool/source/passme.cpp, tools/ndstool/source/passme_sram.c, + tools/ndstool/source/raster.cpp, tools/ndstool/source/sha1.cpp, + touchscreen/README.reco, touchscreen/parser.c, touchscreen/reco.c, + touchscreen/reco.h, touchscreen/touchscreen.c, + touchscreen/touchscreen.h, wifi/compat.c, wifi/compat.h, wifi/wifi.c: + New files. + + Revision 1.1 2006/07/04 01:35:32 wntrmute + move cache.s to dcache.s + + Revision 1.5 2006/06/18 21:18:32 wntrmute + *** empty log message *** + + Revision 1.4 2005/08/23 17:06:10 wntrmute + converted all endings to unix + + Revision 1.3 2005/08/03 05:12:29 wntrmute + adjusted header for logging + +---------------------------------------------------------------------------------*/ +#define ICACHE_SIZE 0x2000 +#define DCACHE_SIZE 0x1000 +#define CACHE_LINE_SIZE 32 +//--------------------------------------------------------------------------------- + .arm +//--------------------------------------------------------------------------------- + .global DC_FlushAll +//--------------------------------------------------------------------------------- +DC_FlushAll: +/*--------------------------------------------------------------------------------- + Clean and invalidate entire data cache +---------------------------------------------------------------------------------*/ + mov r1, #0 +outer_loop: + mov r0, #0 +inner_loop: + orr r2, r1, r0 @ generate segment and line address + mcr p15, 0, r2, c7, c14, 2 @ clean and flush the line + add r0, r0, #CACHE_LINE_SIZE + cmp r0, #DCACHE_SIZE/4 + bne inner_loop + add r1, r1, #0x40000000 + cmp r1, #0 + bne outer_loop + bx lr + +//--------------------------------------------------------------------------------- + .global DC_FlushRange +//--------------------------------------------------------------------------------- +DC_FlushRange: +/*--------------------------------------------------------------------------------- + Clean and invalidate a range +---------------------------------------------------------------------------------*/ + add r1, r1, r0 + bic r0, r0, #(CACHE_LINE_SIZE - 1) +.flush: + mcr p15, 0, r0, c7, c14, 1 @ clean and flush address + add r0, r0, #CACHE_LINE_SIZE + cmp r0, r1 + blt .flush + bx lr + +//--------------------------------------------------------------------------------- + .global DC_InvalidateAll +//--------------------------------------------------------------------------------- +DC_InvalidateAll: +/*--------------------------------------------------------------------------------- + Clean and invalidate entire data cache +---------------------------------------------------------------------------------*/ + mov r0, #0 + mcr p15, 0, r0, c7, c6, 0 + bx lr + +//--------------------------------------------------------------------------------- + .global DC_InvalidateRange +//--------------------------------------------------------------------------------- +DC_InvalidateRange: +/*--------------------------------------------------------------------------------- + Invalidate a range +---------------------------------------------------------------------------------*/ + add r1, r1, r0 + bic r0, r0, #CACHE_LINE_SIZE - 1 +.invalidate: + mcr p15, 0, r0, c7, c6, 1 + add r0, r0, #CACHE_LINE_SIZE + cmp r0, r1 + blt .invalidate + bx lr |