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mpc83xx: Use shared linkcmds.base

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This commit is contained in:
Sebastian Huber
2013-03-11 17:50:27 +01:00
parent b34401cce3
commit f88da30ee8
13 changed files with 129 additions and 495 deletions
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8
c/src/lib/libbsp/powerpc/gen83xx/Makefile.am
View File

@@ -18,6 +18,8 @@ include_bsp_HEADERS += ../../shared/include/irq-generic.h
include_bsp_HEADERS += ../../shared/include/irq-info.h
include_bsp_HEADERS += ../../shared/include/u-boot.h
include_bsp_HEADERS += ../../shared/include/utility.h
include_bsp_HEADERS += ../shared/include/linker-symbols.h
include_bsp_HEADERS += ../shared/include/start.h
include_bsp_HEADERS += ../shared/include/tictac.h
include_bsp_HEADERS += ../shared/include/u-boot-board-info.h
include_bsp_HEADERS += include/hwreg_vals.h
@@ -39,7 +41,8 @@ libbspstart_a_SOURCES += ../../powerpc/shared/start/rtems_crti.S
project_lib_DATA += rtems_crti.$(OBJEXT)
dist_project_lib_DATA += startup/linkcmds \
startup/linkcmds.base \
../shared/startup/linkcmds.base \
startup/linkcmds.mpc83xx \
startup/linkcmds.mpc8309som \
startup/linkcmds.mpc8313erdb \
startup/linkcmds.br_uid \
@@ -49,9 +52,6 @@ dist_project_lib_DATA += startup/linkcmds \
noinst_LIBRARIES += libbsp.a
libbsp_a_SOURCES =
# mpc83xx_regs
libbsp_a_SOURCES += startup/mpc83xx_regs.c
# startup
libbsp_a_SOURCES += ../../shared/bsplibc.c \
../../shared/bsppost.c \

3
c/src/lib/libbsp/powerpc/gen83xx/configure.ac
View File

@@ -19,6 +19,9 @@ RTEMS_BSPOPTS_HELP_DATA_CACHE_ENABLED
RTEMS_BSPOPTS_SET_INSTRUCTION_CACHE_ENABLED([*],[1])
RTEMS_BSPOPTS_HELP_INSTRUCTION_CACHE_ENABLED
RTEMS_BSPOPTS_SET([BSP_INTERRUPT_STACK_AT_WORK_AREA_BEGIN],[*],[1])
RTEMS_BSPOPTS_HELP([BSP_INTERRUPT_STACK_AT_WORK_AREA_BEGIN],[indicate that the interrupt stack is at the work area begin])
RTEMS_BSPOPTS_SET([MPC83XX_BOARD_MPC8313ERDB],[mpc8313erdb],[1])
RTEMS_BSPOPTS_HELP([MPC83XX_BOARD_MPC8313ERDB],
[if defined, then use settings for the MPC8313ERDB board])

14
c/src/lib/libbsp/powerpc/gen83xx/preinstall.am
View File

@@ -69,6 +69,14 @@ $(PROJECT_INCLUDE)/bsp/utility.h: ../../shared/include/utility.h $(PROJECT_INCLU
$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/utility.h
PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/utility.h
$(PROJECT_INCLUDE)/bsp/linker-symbols.h: ../shared/include/linker-symbols.h $(PROJECT_INCLUDE)/bsp/$(dirstamp)
$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/linker-symbols.h
PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/linker-symbols.h
$(PROJECT_INCLUDE)/bsp/start.h: ../shared/include/start.h $(PROJECT_INCLUDE)/bsp/$(dirstamp)
$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/start.h
PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/start.h
$(PROJECT_INCLUDE)/bsp/tictac.h: ../shared/include/tictac.h $(PROJECT_INCLUDE)/bsp/$(dirstamp)
$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/tictac.h
PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/tictac.h
@@ -113,10 +121,14 @@ $(PROJECT_LIB)/linkcmds: startup/linkcmds $(PROJECT_LIB)/$(dirstamp)
$(INSTALL_DATA) $< $(PROJECT_LIB)/linkcmds
PREINSTALL_FILES += $(PROJECT_LIB)/linkcmds
$(PROJECT_LIB)/linkcmds.base: startup/linkcmds.base $(PROJECT_LIB)/$(dirstamp)
$(PROJECT_LIB)/linkcmds.base: ../shared/startup/linkcmds.base $(PROJECT_LIB)/$(dirstamp)
$(INSTALL_DATA) $< $(PROJECT_LIB)/linkcmds.base
PREINSTALL_FILES += $(PROJECT_LIB)/linkcmds.base
$(PROJECT_LIB)/linkcmds.mpc83xx: startup/linkcmds.mpc83xx $(PROJECT_LIB)/$(dirstamp)
$(INSTALL_DATA) $< $(PROJECT_LIB)/linkcmds.mpc83xx
PREINSTALL_FILES += $(PROJECT_LIB)/linkcmds.mpc83xx
$(PROJECT_LIB)/linkcmds.mpc8309som: startup/linkcmds.mpc8309som $(PROJECT_LIB)/$(dirstamp)
$(INSTALL_DATA) $< $(PROJECT_LIB)/linkcmds.mpc8309som
PREINSTALL_FILES += $(PROJECT_LIB)/linkcmds.mpc8309som

84
c/src/lib/libbsp/powerpc/gen83xx/start/start.S
View File

@@ -53,10 +53,9 @@ PUBLIC_VAR (reset_vec)
reset_vec:
bl rom_entry
.section ".entry"
PUBLIC_VAR (start)
start:
.section ".bsp_start_text", "ax"
PUBLIC_VAR (_start)
_start:
/* Reset time base */
li r0, 0
mtspr TBWU, r0
@@ -359,14 +358,13 @@ start_rom_skip1:
/*
* ROM or relocatable startup: copy startup code to SDRAM
*/
/* get start address of text section in RAM */
LA r29, bsp_section_text_start
/* get start address of text section in ROM (add reloc offset) */
/* get start address of start section in RAM */
LA r29, bsp_section_start_begin
/* get start address of start section in ROM (add reloc offset) */
add r30, r20, r29
/* get size of startup code */
LA r28, end_reloc_startup
LA r31, bsp_section_text_start
sub 28,r28,r31
LA r28, bsp_section_start_end
sub 28,r28,r29
/* copy startup code from ROM to RAM location */
bl copy_image
@@ -385,58 +383,29 @@ copy_rest_of_text:
/*
* ROM or relocatable startup: copy rest of code to SDRAM
*/
/* get start address of rest of code in RAM */
LA r29, end_reloc_startup
/* get start address of text section in ROM (add reloc offset) */
/* get start address of rest of loadable sections in RAM */
LA r29, bsp_section_text_begin
/* get start address of loadable sections in ROM (add reloc offset) */
add r30, r20, r29
/* get size of rest of code */
LA r28, bsp_section_text_start
LA r31, bsp_section_text_size
add r28,r28,r31
/* get size of rest of loadable sections */
LA r28, bsp_section_data_end
sub r28,r28,r29
bl copy_image /* copy text section from ROM to RAM location */
/*
* ROM or relocatable startup: copy data to SDRAM
*/
/* get start address of data section in RAM */
LA r29, bsp_section_data_start
/* get start address of data section in ROM (add reloc offset) */
add r30, r20, r29
/* get size of RAM image */
LA r28, bsp_section_data_size
/* copy initialized data section from ROM to RAM location */
bl copy_image
start_code_in_ram:
/*
* ROM/RAM startup: clear bss in SDRAM
*/
LA r3, bsp_section_bss_start /* get start address of bss section */
LWI r4, bsp_section_bss_size /* get size of bss section */
bl mpc83xx_zero_4 /* Clear the bss section */
LA r3, bsp_section_sbss_begin /* get start address of bss section */
LA r4, bsp_section_bss_end /* get end address of bss section */
sub r4, r4, r3 /* get size of bss section */
bl mpc83xx_zero_4 /* Clear the bss section */
#ifdef HAS_UBOOT
mr r3, r14
bl bsp_uboot_copy_board_info
#endif /* HAS_UBOOT */
/*
* call boot_card
*/
/* Set stack pointer (common for RAM/ROM startup) */
LA r1, bsp_section_text_start
addi r1, r1, -0x10 /* Set up stack pointer = beginning of text section - 0x10 */
/* Create NULL */
li r0, 0
/* Return address */
stw r0, 4(r1)
/* Back chain */
stw r0, 0(r1)
/* Read-only small data */
LA r2, _SDA2_BASE_
@@ -444,12 +413,16 @@ start_code_in_ram:
/* Read-write small data */
LA r13, _SDA_BASE_
/* clear arguments and do further init. in C (common for RAM/ROM startup) */
/* Clear cmdline */
xor r3, r3, r3
li r3, 0
bl SYM (boot_card) /* Call the first C routine */
/* Set start stack pointer */
LA r1, start_stack_end
stwu r3, -4(r1)
stwu r3, -4(r1)
/* Call the first C routine */
bl SYM (boot_card)
twiddle:
/* We don't expect to return from boot_card but if we do */
@@ -548,4 +521,9 @@ mpc83xx_zero_4_tail:
/* Return */
blr
end_reloc_startup:
.section ".bsp_rwextra", "aw", @nobits
/* Start stack area */
.align 4
.space 4096
start_stack_end:

8
c/src/lib/libbsp/powerpc/gen83xx/startup/bspstart.c
View File

@@ -27,6 +27,7 @@
#include <bsp/vectors.h>
#include <bsp/bootcard.h>
#include <bsp/irq-generic.h>
#include <bsp/linker-symbols.h>
#include <bsp/u-boot.h>
/* Configuration parameters for console driver, ... */
@@ -80,9 +81,6 @@ void bsp_start( void)
ppc_cpu_id_t myCpu;
ppc_cpu_revision_t myCpuRevision;
uintptr_t interrupt_stack_start = (uintptr_t) bsp_interrupt_stack_start;
uintptr_t interrupt_stack_size = (uintptr_t) bsp_interrupt_stack_size;
/*
* Get CPU identification dynamically. Note that the get_ppc_cpu_type() function
* store the result in global variables so that it can be used latter...
@@ -136,8 +134,8 @@ void bsp_start( void)
#endif
ppc_exc_initialize(
PPC_INTERRUPT_DISABLE_MASK_DEFAULT,
interrupt_stack_start,
interrupt_stack_size
(uintptr_t) bsp_section_work_begin,
rtems_configuration_get_interrupt_stack_size()
);
/* Install default handler for the decrementer exception */

357
c/src/lib/libbsp/powerpc/gen83xx/startup/linkcmds.base
View File

@@ -1,357 +0,0 @@
/**
* @file
*
* Derived from internal linker script of GNU ld (GNU Binutils) 2.18 for elf32ppc emulation.
*/
OUTPUT_FORMAT ("elf32-powerpc", "elf32-powerpc", "elf32-powerpc")
OUTPUT_ARCH (powerpc)
ENTRY (start)
bsp_ram_start = ORIGIN (RAM);
bsp_ram_end = ORIGIN (RAM) + LENGTH (RAM);
bsp_ram_size = LENGTH (RAM);
bsp_rom_start = ORIGIN (ROM);
bsp_rom_end = ORIGIN (ROM) + LENGTH (ROM);
bsp_rom_size = LENGTH (ROM);
bsp_section_align = 32;
RamBase = bsp_ram_start;
RamSize = bsp_ram_size;
HeapSize = DEFINED(HeapSize) ? HeapSize : 0x0;
MEMORY {
UNEXPECTED_SECTIONS : ORIGIN = 0xffffffff, LENGTH = 0
}
SECTIONS {
/*
* BSP: MPC83XX registers
*/
.mpc83xx_regs (NOLOAD) : {
IMMRBAR = .;
mpc83xx_regs*(.text)
mpc83xx_regs*(.data)
mpc83xx_regs*(.bss)
mpc83xx_regs*(COMMON)
} > MPC83XX_REGS
/*
* BSP: Reset configuration
*/
.resconf 0x0 : {
*(.resconf)
} > RAM
/*
* BSP: Exception vectors
*/
.vectors 0x100 : {
*(.vectors)
} > RAM
/*
* BSP: The initial stack will live in this area - between the vectors
* and the text section.
*/
.text 0x10000 : {
/*
* BSP: Start of text section
*/
bsp_section_text_start = .;
/*
* BSP: System startup entry
*/
KEEP (*(.entry))
/*
* BSP: Moved into .text from .init
*/
KEEP (*(.init))
*(.text .stub .text.* .gnu.linkonce.t.*)
KEEP (*(.text.*personality*))
/* .gnu.warning sections are handled specially by elf32.em. */
*(.gnu.warning)
*(.glink)
/*
* BSP: Special FreeBSD sysctl sections
*/
. = ALIGN (16);
__start_set_sysctl_set = .;
*(set_sysctl_*);
__stop_set_sysctl_set = ABSOLUTE(.);
*(set_domain_*);
*(set_pseudo_*);
/*
* BSP: Moved into .text from .*
*/
*(.rodata .rodata.* .gnu.linkonce.r.*)
*(.rodata1)
*(.interp)
*(.note.gnu.build-id)
*(.hash)
*(.gnu.hash)
*(.dynsym)
*(.dynstr)
*(.gnu.version)
*(.gnu.version_d)
*(.gnu.version_r)
*(.eh_frame_hdr)
. = ALIGN (4);
_bsd__start_set_modmetadata_set = .;
*(_bsd_set_modmetadata_set);
_bsd__stop_set_modmetadata_set = .;
_bsd__start_set_sysctl_set = .;
*(_bsd_set_sysctl_set);
_bsd__stop_set_sysctl_set = .;
/*
* BSP: Magic PPC stuff
*/
*(.PPC.*)
/*
* BSP: Required by cpukit/score/src/threadhandler.c
*/
PROVIDE (_fini = .);
/*
* BSP: Moved into .text from .fini
*/
KEEP (*(.fini))
. = ALIGN (bsp_section_align);
PROVIDE (__etext = .);
PROVIDE (_etext = .);
PROVIDE (etext = .);
} > RAM
.sdata2 : {
PROVIDE (_SDA2_BASE_ = 32768);
*(.sdata2 .sdata2.* .gnu.linkonce.s2.*)
. = ALIGN (bsp_section_align);
} > RAM
.sbss2 : {
*(.sbss2 .sbss2.* .gnu.linkonce.sb2.*)
. = ALIGN (bsp_section_align);
/*
* BSP: End of text section
*/
bsp_section_text_end = .;
} > RAM
.data : {
/*
* BSP: Start of data section
*/
bsp_section_data_start = .;
/*
* BSP: Moved into .data from .ctors
*/
/* gcc uses crtbegin.o to find the start of
the constructors, so we make sure it is
first. Because this is a wildcard, it
doesn't matter if the user does not
actually link against crtbegin.o; the
linker won't look for a file to match a
wildcard. The wildcard also means that it
doesn't matter which directory crtbegin.o
is in. */
KEEP (*crtbegin.o(.ctors))
KEEP (*crtbegin?.o(.ctors))
/* We don't want to include the .ctor section from
the crtend.o file until after the sorted ctors.
The .ctor section from the crtend file contains the
end of ctors marker and it must be last */
KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .ctors))
KEEP (*(SORT(.ctors.*)))
KEEP (*(.ctors))
/*
* BSP: Moved into .data from .dtors
*/
KEEP (*crtbegin.o(.dtors))
KEEP (*crtbegin?.o(.dtors))
KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .dtors))
KEEP (*(SORT(.dtors.*)))
KEEP (*(.dtors))
/*
* BSP: Moved into .data from .*
*/
*(.tdata .tdata.* .gnu.linkonce.td.*)
*(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon)
*(.data1)
KEEP (*(.eh_frame))
*(.gcc_except_table .gcc_except_table.*)
KEEP (*(.jcr))
*(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro* .gnu.linkonce.d.rel.ro.*)
*(.fixup)
*(.got1)
*(.got2)
*(.dynamic)
*(.got)
*(.plt)
PROVIDE_HIDDEN (__preinit_array_start = .);
KEEP (*(.preinit_array))
PROVIDE_HIDDEN (__preinit_array_end = .);
PROVIDE_HIDDEN (__init_array_start = .);
KEEP (*(SORT(.init_array.*)))
KEEP (*(.init_array))
PROVIDE_HIDDEN (__init_array_end = .);
PROVIDE_HIDDEN (__fini_array_start = .);
KEEP (*(.fini_array))
KEEP (*(SORT(.fini_array.*)))
PROVIDE_HIDDEN (__fini_array_end = .);
*(.data .data.* .gnu.linkonce.d.*)
KEEP (*(.gnu.linkonce.d.*personality*))
SORT(CONSTRUCTORS)
. = ALIGN (4);
_bsd__start_set_sysinit_set = .;
*(_bsd_set_sysinit_set);
_bsd__stop_set_sysinit_set = .;
. = ALIGN (bsp_section_align);
} > RAM
.sdata : {
PROVIDE (_SDA_BASE_ = 32768);
*(.sdata .sdata.* .gnu.linkonce.s.*)
. = ALIGN (bsp_section_align);
_edata = .;
PROVIDE (edata = .);
/*
* BSP: End of data section
*/
bsp_section_data_end = .;
} > RAM
.sbss : {
/*
* BSP: Start of bss section
*/
bsp_section_bss_start = .;
__bss_start = .;
PROVIDE (__sbss_start = .); PROVIDE (___sbss_start = .);
*(.scommon)
*(.dynsbss)
*(.sbss .sbss.* .gnu.linkonce.sb.*)
PROVIDE (__sbss_end = .); PROVIDE (___sbss_end = .);
. = ALIGN (bsp_section_align);
} > RAM
.bss : {
*(COMMON)
*(.dynbss)
*(.bss .bss.* .gnu.linkonce.b.*)
. = ALIGN (bsp_section_align);
__end = .;
_end = .;
PROVIDE (end = .);
/*
* BSP: End of bss section
*/
bsp_section_bss_end = .;
} > RAM
/*
* BSP: Section sizes
*/
bsp_section_text_size = bsp_section_text_end - bsp_section_text_start;
bsp_section_data_size = bsp_section_data_end - bsp_section_data_start;
bsp_section_bss_size = bsp_section_bss_end - bsp_section_bss_start;
/*
* BSP: Interrupt stack
*/
bsp_interrupt_stack_start = bsp_section_bss_end;
bsp_interrupt_stack_end = bsp_interrupt_stack_start + 32k;
bsp_interrupt_stack_size = bsp_interrupt_stack_end - bsp_interrupt_stack_start;
/*
* BSP: Work area start
*/
bsp_work_area_start = bsp_interrupt_stack_end;
WorkAreaBase = bsp_work_area_start;
/* Stabs debugging sections. */
.stab 0 : { *(.stab) }
.stabstr 0 : { *(.stabstr) }
.stab.excl 0 : { *(.stab.excl) }
.stab.exclstr 0 : { *(.stab.exclstr) }
.stab.index 0 : { *(.stab.index) }
.stab.indexstr 0 : { *(.stab.indexstr) }
.comment 0 : { *(.comment) }
/* DWARF debug sections.
Symbols in the DWARF debugging sections are relative to the beginning
of the section so we begin them at 0. */
/* DWARF 1 */
.debug 0 : { *(.debug) }
.line 0 : { *(.line) }
/* GNU DWARF 1 extensions */
.debug_srcinfo 0 : { *(.debug_srcinfo) }
.debug_sfnames 0 : { *(.debug_sfnames) }
/* DWARF 1.1 and DWARF 2 */
.debug_aranges 0 : { *(.debug_aranges) }
.debug_pubnames 0 : { *(.debug_pubnames) }
/* DWARF 2 */
.debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) }
.debug_abbrev 0 : { *(.debug_abbrev) }
.debug_line 0 : { *(.debug_line) }
.debug_frame 0 : { *(.debug_frame) }
.debug_str 0 : { *(.debug_str) }
.debug_loc 0 : { *(.debug_loc) }
.debug_macinfo 0 : { *(.debug_macinfo) }
/* SGI/MIPS DWARF 2 extensions */
.debug_weaknames 0 : { *(.debug_weaknames) }
.debug_funcnames 0 : { *(.debug_funcnames) }
.debug_typenames 0 : { *(.debug_typenames) }
.debug_varnames 0 : { *(.debug_varnames) }
/* DWARF 3 */
.debug_pubtypes 0 : { *(.debug_pubtypes) }
.debug_ranges 0 : { *(.debug_ranges) }
.gnu.attributes 0 : { KEEP (*(.gnu.attributes)) }
/DISCARD/ : {
*(.note.GNU-stack) *(.gnu_debuglink)
}
/*
* This is a RTEMS specific section to catch all unexpected input
* sections. In case you get an error like
* "section `.unexpected_sections' will not fit in region
* `UNEXPECTED_SECTIONS'"
* you have to figure out the offending input section and add it to the
* appropriate output section definition above.
*/
.unexpected_sections : { *(*) } > UNEXPECTED_SECTIONS
}

15
c/src/lib/libbsp/powerpc/gen83xx/startup/linkcmds.br_uid
View File

@@ -1,13 +1,10 @@
/**
* @file
*
* MPC8309 System on Module.
*/
MEMORY {
RAM : ORIGIN = 0x0, LENGTH = 256M
RESCONF : ORIGIN = 0x0, LENGTH = 0x100
VECTORS : ORIGIN = 0x100, LENGTH = 0x10000 - 0x100
WORK : ORIGIN = 0x10000, LENGTH = 256M - 0x10000
ROM : ORIGIN = 0xfe000000, LENGTH = 2M
MPC83XX_REGS : ORIGIN = 0xe0000000, LENGTH = 256k
}
INCLUDE linkcmds.base
REGION_ALIAS ("START", WORK);
INCLUDE linkcmds.mpc83xx

15
c/src/lib/libbsp/powerpc/gen83xx/startup/linkcmds.hsc_cm01
View File

@@ -1,13 +1,10 @@
/**
* @file
*
* HSC_CM01 Board.
*/
MEMORY {
RAM : ORIGIN = 0x0, LENGTH = 256M
RESCONF : ORIGIN = 0x0, LENGTH = 0x100
VECTORS : ORIGIN = 0x100, LENGTH = 0x10000 - 0x100
WORK : ORIGIN = 0x10000, LENGTH = 256M - 0x10000
ROM : ORIGIN = 0xfe000000, LENGTH = 8M
MPC83XX_REGS : ORIGIN = 0xe0000000, LENGTH = 1M
}
INCLUDE linkcmds.base
REGION_ALIAS ("START", WORK);
INCLUDE linkcmds.mpc83xx

15
c/src/lib/libbsp/powerpc/gen83xx/startup/linkcmds.mpc8309som
View File

@@ -1,13 +1,10 @@
/**
* @file
*
* MPC8309 System on Module.
*/
MEMORY {
RAM : ORIGIN = 0x0, LENGTH = 256M
RESCONF : ORIGIN = 0x0, LENGTH = 0x100
VECTORS : ORIGIN = 0x100, LENGTH = 0x10000 - 0x100
WORK : ORIGIN = 0x10000, LENGTH = 256M - 0x10000
ROM : ORIGIN = 0xfe000000, LENGTH = 8M
MPC83XX_REGS : ORIGIN = 0xe0000000, LENGTH = 256k
}
INCLUDE linkcmds.base
REGION_ALIAS ("START", WORK);
INCLUDE linkcmds.mpc83xx

15
c/src/lib/libbsp/powerpc/gen83xx/startup/linkcmds.mpc8313erdb
View File

@@ -1,13 +1,10 @@
/**
* @file
*
* MPC8313E Reference Design Board.
*/
MEMORY {
RAM : ORIGIN = 0x0, LENGTH = 128M
RESCONF : ORIGIN = 0x0, LENGTH = 0x100
VECTORS : ORIGIN = 0x100, LENGTH = 0x10000 - 0x100
WORK : ORIGIN = 0x10000, LENGTH = 128M - 0x10000
ROM : ORIGIN = 0xfe000000, LENGTH = 8M
MPC83XX_REGS : ORIGIN = 0xe0000000, LENGTH = 256k
}
INCLUDE linkcmds.base
REGION_ALIAS ("START", WORK);
INCLUDE linkcmds.mpc83xx

15
c/src/lib/libbsp/powerpc/gen83xx/startup/linkcmds.mpc8349eamds
View File

@@ -1,13 +1,10 @@
/**
* @file
*
* MPC8349EAMDS Board.
*/
MEMORY {
RAM : ORIGIN = 0x0, LENGTH = 256M
RESCONF : ORIGIN = 0x0, LENGTH = 0x100
VECTORS : ORIGIN = 0x100, LENGTH = 0x10000 - 0x100
WORK : ORIGIN = 0x10000, LENGTH = 256M - 0x10000
ROM : ORIGIN = 0xfe000000, LENGTH = 8M
MPC83XX_REGS : ORIGIN = 0xe0000000, LENGTH = 256k
}
INCLUDE linkcmds.base
REGION_ALIAS ("START", WORK);
INCLUDE linkcmds.mpc83xx

45
c/src/lib/libbsp/powerpc/gen83xx/startup/linkcmds.mpc83xx Normal file
View File

@@ -0,0 +1,45 @@
bsp_ram_start = ORIGIN (RESCONF);
bsp_ram_end = ORIGIN (WORK) + LENGTH (WORK);
bsp_ram_size = bsp_ram_end - bsp_ram_start;
bsp_rom_start = ORIGIN (ROM);
bsp_rom_size = LENGTH (ROM);
bsp_rom_end = bsp_rom_start + bsp_rom_size;
IMMRBAR = 0xe0000000;
mpc83xx = IMMRBAR;
MEMORY {
EMPTY : ORIGIN = 0x0, LENGTH = 0
}
SECTIONS {
.resconf : {
*(.resconf)
} > RESCONF AT > RESCONF
.vectors : {
*(.vectors)
} > VECTORS AT > VECTORS
}
REGION_ALIAS ("REGION_START", START);
REGION_ALIAS ("REGION_FAST_TEXT", WORK);
REGION_ALIAS ("REGION_FAST_TEXT_LOAD", WORK);
REGION_ALIAS ("REGION_TEXT", WORK);
REGION_ALIAS ("REGION_TEXT_LOAD", WORK);
REGION_ALIAS ("REGION_RODATA", WORK);
REGION_ALIAS ("REGION_RODATA_LOAD", WORK);
REGION_ALIAS ("REGION_FAST_DATA", WORK);
REGION_ALIAS ("REGION_FAST_DATA_LOAD", WORK);
REGION_ALIAS ("REGION_DATA", WORK);
REGION_ALIAS ("REGION_DATA_LOAD", WORK);
REGION_ALIAS ("REGION_BSS", WORK);
REGION_ALIAS ("REGION_RWEXTRA", WORK);
REGION_ALIAS ("REGION_WORK", WORK);
REGION_ALIAS ("REGION_STACK", WORK);
REGION_ALIAS ("REGION_NOCACHE", EMPTY);
REGION_ALIAS ("REGION_NOCACHE_LOAD", EMPTY);
REGION_ALIAS ("REGION_NVRAM", EMPTY);
INCLUDE linkcmds.base

30
c/src/lib/libbsp/powerpc/gen83xx/startup/mpc83xx_regs.c
View File

@@ -1,30 +0,0 @@
/*===============================================================*\
| Project: RTEMS generic MPC83xx BSP |
+-----------------------------------------------------------------+
| Partially based on the code references which are named below. |
| Adaptions, modifications, enhancements and any recent parts of |
| the code are: |
| Copyright (c) 2005 |
| Embedded Brains GmbH |
| Obere Lagerstr. 30 |
| D-82178 Puchheim |
| Germany |
| rtems@embedded-brains.de |
+-----------------------------------------------------------------+
| The license and distribution terms for this file may be |
| found in the file LICENSE in this distribution or at |
| |
| http://www.rtems.com/license/LICENSE. |
| |
+-----------------------------------------------------------------+
| this file places the mpc83xx registers into a special section |
\*===============================================================*/
#include <mpc83xx/mpc83xx.h>
/*
* this uninitialized variable will be overlayed to the hardware
* registers in the linker command file
*/
m83xxRegisters_t mpc83xx;