MIPSFLAGS := -march=mips32r2
PLATFORM_CPPFLAGS += $(MIPSFLAGS)
+PLATFORM_CPPFLAGS += -mabi=32 -DCONFIG_32BIT
+ifdef CONFIG_SYS_BIG_ENDIAN
+PLATFORM_LDFLAGS += -m elf32btsmip
+else
+PLATFORM_LDFLAGS += -m elf32ltsmip
+endif
CONFIG_STANDALONE_LOAD_ADDR ?= 0x80200000 -T mips.lds
#endif
/* Set up temporary stack */
- li t0, CONFIG_SYS_SDRAM_BASE + CONFIG_SYS_INIT_SP_OFFSET
- la sp, 0(t0)
+ li sp, CONFIG_SYS_SDRAM_BASE + CONFIG_SYS_INIT_SP_OFFSET
la t9, board_init_f
jr t9
relocate_code:
move sp, a0 # set new stack pointer
+ move s0, a1 # save gd in s0
+ move s2, a2 # save destination address in s2
+
li t0, CONFIG_SYS_MONITOR_BASE
+ sub s1, s2, t0 # s1 <-- relocation offset
+
la t3, in_ram
lw t2, -12(t3) # t2 <-- uboot_end_data
move t1, a2
- move s2, a2 # s2 <-- destination address
- /*
- * Fix $gp:
- *
- * New $gp = (Old $gp - CONFIG_SYS_MONITOR_BASE) + Destination Address
- */
- move t6, gp
- sub gp, CONFIG_SYS_MONITOR_BASE
- add gp, a2 # gp now adjusted
- sub s1, gp, t6 # s1 <-- relocation offset
+ add gp, s1 # adjust gp
/*
* t0 = source address
* t1 = target address
* t2 = source end address
*/
-
- /*
- * Save destination address and size for later usage in flush_cache()
- */
- move s0, a1 # save gd in s0
- move a0, t1 # a0 <-- destination addr
- sub a1, t2, t0 # a1 <-- size
-
1:
lw t3, 0(t0)
sw t3, 0(t1)
addu t0, 4
- ble t0, t2, 1b
+ blt t0, t2, 1b
addu t1, 4
/* If caches were enabled, we would have to flush them here. */
-
- /* a0 & a1 are already set up for flush_cache(start, size) */
+ sub a1, t1, s2 # a1 <-- size
la t9, flush_cache
jalr t9
- nop
+ move a0, s2 # a0 <-- destination address
/* Jump to where we've relocated ourselves */
addi t0, s2, in_ram - _start
jr t0
nop
- .word _gp
.word _GLOBAL_OFFSET_TABLE_
.word uboot_end_data
.word uboot_end
*/
lw t3, -4(t0) # t3 <-- num_got_entries
lw t4, -16(t0) # t4 <-- _GLOBAL_OFFSET_TABLE_
- lw t5, -20(t0) # t5 <-- _gp
- sub t4, t5 # compute offset
- add t4, t4, gp # t4 now holds relocated _G_O_T_
+ add t4, s1 # t4 now holds relocated _G_O_T_
addi t4, t4, 8 # skipping first two entries
li t2, 2
1:
/* Exception handlers */
romReserved:
b romReserved
+ nop
romExcHandle:
b romExcHandle
+ nop
#endif
/* Set up temporary stack */
- dli t0, CONFIG_SYS_SDRAM_BASE + CONFIG_SYS_INIT_SP_OFFSET
- dla sp, 0(t0)
+ dli sp, CONFIG_SYS_SDRAM_BASE + CONFIG_SYS_INIT_SP_OFFSET
dla t9, board_init_f
jr t9
relocate_code:
move sp, a0 # set new stack pointer
+ move s0, a1 # save gd in s0
+ move s2, a2 # save destination address in s2
+
dli t0, CONFIG_SYS_MONITOR_BASE
+ dsub s1, s2, t0 # s1 <-- relocation offset
+
dla t3, in_ram
ld t2, -24(t3) # t2 <-- uboot_end_data
move t1, a2
- move s2, a2 # s2 <-- destination address
- /*
- * Fix $gp:
- *
- * New $gp = (Old $gp - CONFIG_SYS_MONITOR_BASE) + Destination Address
- */
- move t8, gp
- dsub gp, CONFIG_SYS_MONITOR_BASE
- dadd gp, a2 # gp now adjusted
- dsub s1, gp, t8 # s1 <-- relocation offset
+ dadd gp, s1 # adjust gp
/*
* t0 = source address
* t1 = target address
* t2 = source end address
*/
-
- /*
- * Save destination address and size for dlater usage in flush_cache()
- */
- move s0, a1 # save gd in s0
- move a0, t1 # a0 <-- destination addr
- dsub a1, t2, t0 # a1 <-- size
-
1:
lw t3, 0(t0)
sw t3, 0(t1)
daddu t0, 4
- ble t0, t2, 1b
+ blt t0, t2, 1b
daddu t1, 4
/* If caches were enabled, we would have to flush them here. */
-
- /* a0 & a1 are already set up for flush_cache(start, size) */
+ dsub a1, t1, s2 # a1 <-- size
dla t9, flush_cache
jalr t9
- nop
+ move a0, s2 # a0 <-- destination address
/* Jump to where we've relocated ourselves */
daddi t0, s2, in_ram - _start
jr t0
nop
- .dword _gp
.dword _GLOBAL_OFFSET_TABLE_
.dword uboot_end_data
.dword uboot_end
*/
ld t3, -8(t0) # t3 <-- num_got_entries
ld t8, -32(t0) # t8 <-- _GLOBAL_OFFSET_TABLE_
- ld t9, -40(t0) # t9 <-- _gp
- dsub t8, t9 # compute offset
- dadd t8, t8, gp # t8 now holds relocated _G_O_T_
+ dadd t8, s1 # t8 now holds relocated _G_O_T_
daddi t8, t8, 16 # skipping first two entries
dli t2, 2
1:
/* Exception handlers */
romReserved:
b romReserved
+ nop
* MA 02111-1307 USA
*/
-OUTPUT_FORMAT("elf32-tradbigmips", "elf32-tradbigmips", "elf32-tradlittlemips")
+#if defined(CONFIG_64BIT)
+#define PTR_COUNT_SHIFT 3
+#else
+#define PTR_COUNT_SHIFT 2
+#endif
+
OUTPUT_ARCH(mips)
ENTRY(_start)
SECTIONS
. = 0x00000000;
. = ALIGN(4);
- .text :
- {
- *(.text*)
+ .text : {
+ *(.text*)
}
. = ALIGN(4);
- .rodata : { *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) }
+ .rodata : {
+ *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*)))
+ }
. = ALIGN(4);
- .data : { *(.data*) }
+ .data : {
+ *(.data*)
+ }
. = .;
_gp = ALIGN(16) + 0x7ff0;
.got : {
- __got_start = .;
- *(.got)
- __got_end = .;
+ __got_start = .;
+ *(.got)
+ __got_end = .;
}
. = ALIGN(4);
- .sdata : { *(.sdata*) }
+ .sdata : {
+ *(.sdata*)
+ }
. = ALIGN(4);
.u_boot_list : {
#include <u-boot.lst>
}
- . = ALIGN(4);
uboot_end_data = .;
- num_got_entries = (__got_end - __got_start) >> 2;
+
+ num_got_entries = (__got_end - __got_start) >> PTR_COUNT_SHIFT;
. = ALIGN(4);
- .sbss (NOLOAD) : { *(.sbss*) }
- . = ALIGN(4);
- .bss (NOLOAD) : { *(.bss*) }
+ .sbss : {
+ *(.sbss*)
+ }
+
+ .bss : {
+ *(.bss*)
+ . = ALIGN(4);
+ }
uboot_end = .;
}
#
PLATFORM_CPPFLAGS += -march=mips32
+PLATFORM_CPPFLAGS += -mabi=32 -DCONFIG_32BIT
+ifdef CONFIG_SYS_BIG_ENDIAN
+PLATFORM_LDFLAGS += -m elf32btsmip
+else
+PLATFORM_LDFLAGS += -m elf32ltsmip
+endif
CONFIG_STANDALONE_LOAD_ADDR ?= 0x80200000 -T mips.lds
move sp, a0 # set new stack pointer
li t0, CONFIG_SYS_MONITOR_BASE
+ sub t6, a2, t0 # t6 <-- relocation offset
+
la t3, in_ram
lw t2, -12(t3) # t2 <-- uboot_end_data
move t1, a2
- /*
- * Fix $gp:
- *
- * New $gp = (Old $gp - CONFIG_SYS_MONITOR_BASE) + Destination Address
- */
- move t6, gp
- sub gp, CONFIG_SYS_MONITOR_BASE
- add gp, a2 # gp now adjusted
- sub t6, gp, t6 # t6 <-- relocation offset
+ add gp, t6 # adjust gp
/*
* t0 = source address
lw t3, 0(t0)
sw t3, 0(t1)
addu t0, 4
- ble t0, t2, 1b
+ blt t0, t2, 1b
addu t1, 4
/* If caches were enabled, we would have to flush them here. */
jr t0
nop
- .word _gp
.word _GLOBAL_OFFSET_TABLE_
.word uboot_end_data
.word uboot_end
*/
lw t3, -4(t0) # t3 <-- num_got_entries
lw t4, -16(t0) # t4 <-- _GLOBAL_OFFSET_TABLE_
- lw t5, -20(t0) # t5 <-- _gp
- sub t4, t5 # compute offset
- add t4, t4, gp # t4 now holds relocated _G_O_T_
+ add t4, t6 # t4 now holds relocated _G_O_T_
addi t4, t4, 8 # skipping first two entries
li t2, 2
1:
*/
#define __OUT1(s) \
-extern inline void __out##s(unsigned int value, unsigned int port) {
+static inline void __out##s(unsigned int value, unsigned int port) {
#define __OUT2(m) \
__asm__ __volatile__ ("s" #m "\t%0,%1(%2)"
SLOW_DOWN_IO; }
#define __IN1(t,s) \
-extern __inline__ t __in##s(unsigned int port) { t _v;
+static inline t __in##s(unsigned int port) { t _v;
/*
* Required nops will be inserted by the assembler
__IN1(t,s##c_p) __IN2(m) : "=r" (_v) : "ir" (port), "r" (mips_io_port_base)); SLOW_DOWN_IO; return __ioswab##w(_v); }
#define __INS1(s) \
-extern inline void __ins##s(unsigned int port, void * addr, unsigned long count) {
+static inline void __ins##s(unsigned int port, void * addr, unsigned long count) {
#define __INS2(m) \
if (count) \
: "$1");}
#define __OUTS1(s) \
-extern inline void __outs##s(unsigned int port, const void * addr, unsigned long count) {
+static inline void __outs##s(unsigned int port, const void * addr, unsigned long count) {
#define __OUTS2(m) \
if (count) \
+++ /dev/null
-/*
- * (C) Copyright 2003
- * Wolfgang Denk Engineering, <wd@denx.de>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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
- */
-
-/*
-OUTPUT_FORMAT("elf32-bigmips", "elf32-bigmips", "elf32-bigmips")
-*/
-OUTPUT_FORMAT("elf32-tradbigmips", "elf32-tradbigmips", "elf32-tradlittlemips")
-OUTPUT_ARCH(mips)
-ENTRY(_start)
-SECTIONS
-{
- . = 0x00000000;
-
- . = ALIGN(4);
- .text :
- {
- *(.text*)
- }
-
- . = ALIGN(4);
- .rodata : { *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) }
-
- . = ALIGN(4);
- .data : { *(.data*) }
-
- . = .;
- _gp = ALIGN(16) + 0x7ff0;
-
- .got : {
- __got_start = .;
- *(.got)
- __got_end = .;
- }
-
- .sdata : { *(.sdata*) }
-
- . = ALIGN(4);
- .u_boot_list : {
- #include <u-boot.lst>
- }
-
- uboot_end_data = .;
- num_got_entries = (__got_end - __got_start) >> 2;
-
- . = ALIGN(4);
- .sbss (NOLOAD) : { *(.sbss*) }
- .bss (NOLOAD) : { *(.bss*) . = ALIGN(4); }
- uboot_end = .;
-}
+++ /dev/null
-/*
- * (C) Copyright 2003
- * Wolfgang Denk Engineering, <wd@denx.de>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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
- */
-
-/*
-OUTPUT_FORMAT("elf32-bigmips", "elf32-bigmips", "elf32-bigmips")
-*/
-OUTPUT_FORMAT("elf32-tradbigmips", "elf32-tradbigmips", "elf32-tradlittlemips")
-OUTPUT_ARCH(mips)
-ENTRY(_start)
-SECTIONS
-{
- . = 0x00000000;
-
- . = ALIGN(4);
- .text :
- {
- *(.text*)
- }
-
- . = ALIGN(4);
- .rodata : { *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) }
-
- . = ALIGN(4);
- .data : { *(.data*) }
-
- . = .;
- _gp = ALIGN(16) + 0x7ff0;
-
- .got : {
- __got_start = .;
- *(.got)
- __got_end = .;
- }
-
- .sdata : { *(.sdata*) }
-
- . = ALIGN(4);
- .u_boot_list : {
- #include <u-boot.lst>
- }
-
- uboot_end_data = .;
- num_got_entries = (__got_end - __got_start) >> 2;
-
- . = ALIGN(4);
- .sbss (NOLOAD) : { *(.sbss*) }
- .bss (NOLOAD) : { *(.bss*) . = ALIGN(4); }
- uboot_end = .;
-}
+++ /dev/null
-/*
- * (C) Copyright 2003
- * Wolfgang Denk Engineering, <wd@denx.de>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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
- */
-
-/*
-OUTPUT_FORMAT("elf32-bigmips", "elf32-bigmips", "elf32-bigmips")
-*/
-OUTPUT_FORMAT("elf32-tradlittlemips", "elf32-tradbigmips", "elf32-tradlittlemips")
-OUTPUT_ARCH(mips)
-ENTRY(_start)
-SECTIONS
-{
- . = 0x00000000;
-
- . = ALIGN(4);
- .text :
- {
- *(.text*)
- }
-
- . = ALIGN(4);
- .rodata : { *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) }
-
- . = ALIGN(4);
- .data : { *(.data*) }
-
- . = .;
- _gp = ALIGN(16) + 0x7ff0;
-
- .got : {
- __got_start = .;
- *(.got)
- __got_end = .;
- }
-
- .sdata : { *(.sdata*) }
-
- . = ALIGN(4);
- .u_boot_list : {
- #include <u-boot.lst>
- }
-
- uboot_end_data = .;
- num_got_entries = (__got_end - __got_start) >> 2;
-
- . = ALIGN(4);
- .sbss (NOLOAD) : { *(.sbss*) }
- .bss (NOLOAD) : { *(.bss*) . = ALIGN(4); }
- uboot_end = .;
-}
+++ /dev/null
-/*
- * (C) Copyright 2003
- * Wolfgang Denk Engineering, <wd@denx.de>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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
- */
-
-/*
-OUTPUT_FORMAT("elf32-bigmips", "elf32-bigmips", "elf32-bigmips")
-*/
-#if defined(CONFIG_64BIT)
-OUTPUT_FORMAT("elf64-tradbigmips", "elf64-tradbigmips", "elf64-tradlittlemips")
-#else
-OUTPUT_FORMAT("elf32-tradbigmips", "elf32-tradbigmips", "elf32-tradlittlemips")
-#endif
-OUTPUT_ARCH(mips)
-ENTRY(_start)
-SECTIONS
-{
- . = 0x00000000;
-
- . = ALIGN(4);
- .text :
- {
- *(.text*)
- }
-
- . = ALIGN(4);
- .rodata : { *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) }
-
- . = ALIGN(4);
- .data : { *(.data*) }
-
- . = .;
- _gp = ALIGN(16) +0x7ff0;
-
- .got : {
- __got_start = .;
- *(.got)
- __got_end = .;
- }
-
- . = ALIGN(4);
- .sdata : { *(.sdata*) }
-
- . = ALIGN(4);
- .u_boot_list : {
- #include <u-boot.lst>
- }
-
- uboot_end_data = .;
-#if defined(CONFIG_64BIT)
- num_got_entries = (__got_end - __got_start) >> 3;
-#else
- num_got_entries = (__got_end - __got_start) >> 2;
-#endif
-
- . = ALIGN(4);
- .sbss : { *(.sbss*) }
- .bss : { *(.bss*) . = ALIGN(4); }
- uboot_end = .;
-}
+++ /dev/null
-/*
- * (C) Copyright 2006
- * Ingenic Semiconductor, <jlwei@ingenic.cn>
- *
- * 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
- */
-
-OUTPUT_FORMAT("elf32-tradlittlemips", "elf32-tradlittlemips", "elf32-tradlittlemips")
-
-OUTPUT_ARCH(mips)
-ENTRY(_start)
-SECTIONS
-{
- . = 0x00000000;
-
- . = ALIGN(4);
- .text :
- {
- *(.text*)
- }
-
- . = ALIGN(4);
- .rodata : { *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) }
-
- . = ALIGN(4);
- .data : { *(.data*) }
-
- . = .;
- _gp = ALIGN(16) + 0x7ff0;
-
- __got_start = .;
- .got : { *(.got) }
- __got_end = .;
-
- .sdata : { *(.sdata*) }
-
-
- . = ALIGN(4);
- .u_boot_list : {
- #include <u-boot.lst>
- }
-
- uboot_end_data = .;
- num_got_entries = (__got_end - __got_start) >> 2;
-
- . = ALIGN(4);
- .sbss : { *(.sbss*) }
- .bss : { *(.bss*) . = ALIGN(4); }
- uboot_end = .;
-}
projects / karo-tx-uboot.git / commitdiff