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authorSascha Hauer <s.hauer@pengutronix.de>2012-10-03 21:11:53 +0200
committerSascha Hauer <s.hauer@pengutronix.de>2012-10-03 21:11:53 +0200
commit6a6402414852d994ce67f5df1eb7ff6e827d531b (patch)
treea7d51634d6c3f237cb745a95c71bdb08290e280a
parentbee8dddbfcb07de469105a660e426fa132f96b6a (diff)
parent83507f28911e8fa5152adf5ed1314199fada4db0 (diff)
downloadbarebox-6a6402414852d994ce67f5df1eb7ff6e827d531b.tar.gz
barebox-6a6402414852d994ce67f5df1eb7ff6e827d531b.tar.xz
Merge branch 'for-next/openrisc'
-rw-r--r--arch/openrisc/Makefile4
-rw-r--r--arch/openrisc/lib/Makefile1
-rw-r--r--arch/openrisc/lib/ashrdi3.S59
-rw-r--r--common/image.c2
-rw-r--r--include/image.h5
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__)