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author | Sascha Hauer <s.hauer@pengutronix.de> | 2012-10-03 21:11:53 +0200 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2012-10-03 21:11:53 +0200 |
commit | 6a6402414852d994ce67f5df1eb7ff6e827d531b (patch) | |
tree | a7d51634d6c3f237cb745a95c71bdb08290e280a | |
parent | bee8dddbfcb07de469105a660e426fa132f96b6a (diff) | |
parent | 83507f28911e8fa5152adf5ed1314199fada4db0 (diff) | |
download | barebox-6a6402414852d994ce67f5df1eb7ff6e827d531b.tar.gz barebox-6a6402414852d994ce67f5df1eb7ff6e827d531b.tar.xz |
Merge branch 'for-next/openrisc'
-rw-r--r-- | arch/openrisc/Makefile | 4 | ||||
-rw-r--r-- | arch/openrisc/lib/Makefile | 1 | ||||
-rw-r--r-- | arch/openrisc/lib/ashrdi3.S | 59 | ||||
-rw-r--r-- | common/image.c | 2 | ||||
-rw-r--r-- | include/image.h | 5 |
5 files changed, 67 insertions, 4 deletions
diff --git a/arch/openrisc/Makefile b/arch/openrisc/Makefile index 1f4b1755d4..fd8bbbf4d7 100644 --- a/arch/openrisc/Makefile +++ b/arch/openrisc/Makefile @@ -1,7 +1,5 @@ CPPFLAGS += -D__OR1K__ -ffixed-r10 -mhard-mul -mhard-div -LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name) - board-$(CONFIG_GENERIC) := generic KALLSYMS += --symbol-prefix=_ @@ -20,6 +18,4 @@ common-y += $(BOARD) common-y += arch/openrisc/lib/ common-y += arch/openrisc/cpu/ -common-y += $(LIBGCC) - lds-y += arch/openrisc/cpu/barebox.lds diff --git a/arch/openrisc/lib/Makefile b/arch/openrisc/lib/Makefile index aaf93cbd20..0b3cc5068c 100644 --- a/arch/openrisc/lib/Makefile +++ b/arch/openrisc/lib/Makefile @@ -4,3 +4,4 @@ obj-y += cpuinfo.o obj-y += muldi3.o obj-y += lshrdi3.o obj-y += ashldi3.o +obj-y += ashrdi3.o diff --git a/arch/openrisc/lib/ashrdi3.S b/arch/openrisc/lib/ashrdi3.S new file mode 100644 index 0000000000..c656d9fb6e --- /dev/null +++ b/arch/openrisc/lib/ashrdi3.S @@ -0,0 +1,59 @@ +/* + * (C) Copyright 2012 - Franck JULLIEN <elec4fun@gmail.com> + * + * Extracted from gcc generated assembly. + * + * Extended precision shifts. + * + * R3/R4 (MSW, LSW) has 64 bit value + * R5 has shift count + * result in R11/R12 + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + + +.globl __ashrdi3 + +__ashrdi3: + l.sfeqi r5,0x0 /* if count = 0, go out */ + l.bf out + + l.addi r6,r0,0x20 /* r6 = 32 */ + l.sub r6,r6,r5 /* r6 = 32 - count */ + l.sfgtsi r6,0x0 /* if count >= 32 */ + l.bnf more_than_32 /* branch to more_than_32 */ + l.nop 0x0 + + + less_than_32: + l.sll r6,r3,r6 /* r6 gets the bits moved from MSW to LSW */ + l.srl r4,r4,r5 /* shift LSW */ + l.sra r5,r3,r5 /* shift MSW to r5 */ + l.or r4,r6,r4 /* LSW gets bits shifted from MSW */ + l.ori r3,r5,0x0 /* r3 = MSW */ + + out: + l.ori r11,r3,0x0 + l.jr r9 + l.ori r12,r4,0x0 + + more_than_32: + l.srai r5,r3,0x1f /* r5 = MSW sign extended */ + l.sub r4,r0,r6 /* r4 = -r6, the number of bits above 32 */ + l.sra r4,r3,r4 /* LSW gets bits shifted from MSB */ + l.j out /* go out */ + l.ori r3,r5,0x0 /* r3 = MSW */ diff --git a/common/image.c b/common/image.c index e7d2242e78..e02fbe6048 100644 --- a/common/image.c +++ b/common/image.c @@ -61,6 +61,8 @@ static table_entry_t arch_name[] = { { IH_ARCH_SPARC64, "sparc64", "SPARC 64 Bit", }, { IH_ARCH_BLACKFIN, "blackfin", "Blackfin", }, { IH_ARCH_AVR32, "avr32", "AVR32", }, + { IH_ARCH_NDS32, "nds32", "NDS32", }, + { IH_ARCH_OPENRISC, "or1k", "OpenRISC 1000",}, { -1, "", "", }, }; diff --git a/include/image.h b/include/image.h index 027b5f2520..5f45b6f258 100644 --- a/include/image.h +++ b/include/image.h @@ -85,6 +85,9 @@ #define IH_ARCH_BLACKFIN 16 /* Blackfin */ #define IH_ARCH_AVR32 17 /* AVR32 */ #define IH_ARCH_LINUX 18 /* Linux */ +#define IH_ARCH_SANDBOX 19 /* Sandbox architecture (test only) */ +#define IH_ARCH_NDS32 20 /* ANDES Technology - NDS32 */ +#define IH_ARCH_OPENRISC 21 /* OpenRISC 1000 */ #if defined(__PPC__) #define IH_ARCH IH_ARCH_PPC @@ -102,6 +105,8 @@ #define IH_ARCH IH_ARCH_MICROBLAZE #elif defined(__nios2__) #define IH_ARCH IH_ARCH_NIOS2 +#elif defined(__OR1K__) +#define IH_ARCH IH_ARCH_OPENRISC #elif defined(__blackfin__) #define IH_ARCH IH_ARCH_BLACKFIN #elif defined(__avr32__) |