diff options
author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2018-04-20 10:35:35 +0200 |
---|---|---|
committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2018-04-20 13:52:14 +0200 |
commit | 99648958668d3a33ee57974479b36201fe303f34 (patch) | |
tree | 6f27ea790e2823c6156e71219a4f54680263fac6 /c/src/lib/libbsp/powerpc/virtex4 | |
parent | bsps: Move start files to bsps (diff) | |
download | rtems-99648958668d3a33ee57974479b36201fe303f34.tar.bz2 |
bsps: Move startup files to bsps
Adjust build support files to new directory layout.
This patch is a part of the BSP source reorganization.
Update #3285.
Diffstat (limited to 'c/src/lib/libbsp/powerpc/virtex4')
-rw-r--r-- | c/src/lib/libbsp/powerpc/virtex4/Makefile.am | 10 | ||||
-rw-r--r-- | c/src/lib/libbsp/powerpc/virtex4/startup/bsp_specs | 10 | ||||
-rw-r--r-- | c/src/lib/libbsp/powerpc/virtex4/startup/bspclean.c | 54 | ||||
-rw-r--r-- | c/src/lib/libbsp/powerpc/virtex4/startup/bspstart.c | 219 | ||||
-rw-r--r-- | c/src/lib/libbsp/powerpc/virtex4/startup/dummy_console.c | 88 | ||||
-rw-r--r-- | c/src/lib/libbsp/powerpc/virtex4/startup/linkcmds | 288 |
6 files changed, 5 insertions, 664 deletions
diff --git a/c/src/lib/libbsp/powerpc/virtex4/Makefile.am b/c/src/lib/libbsp/powerpc/virtex4/Makefile.am index 60a179740c..350807f1de 100644 --- a/c/src/lib/libbsp/powerpc/virtex4/Makefile.am +++ b/c/src/lib/libbsp/powerpc/virtex4/Makefile.am @@ -4,7 +4,7 @@ ACLOCAL_AMFLAGS = -I ../../../../aclocal include $(top_srcdir)/../../../../automake/compile.am include $(top_srcdir)/../../bsp.am -dist_project_lib_DATA = startup/bsp_specs +dist_project_lib_DATA = ../../../../../../bsps/powerpc/virtex4/start/bsp_specs # include @@ -18,10 +18,10 @@ project_lib_DATA += linkcmds project_lib_LIBRARIES = librtemsbsp.a # startup -librtemsbsp_a_SOURCES = startup/bspclean.c -librtemsbsp_a_SOURCES += ../shared/startup/zerobss.c +librtemsbsp_a_SOURCES = ../../../../../../bsps/powerpc/virtex4/start/bspclean.c +librtemsbsp_a_SOURCES += ../../../../../../bsps/powerpc/shared/start/zerobss.c librtemsbsp_a_SOURCES += ../../../../../../bsps/shared/start/bspgetworkarea-default.c -librtemsbsp_a_SOURCES += startup/bspstart.c +librtemsbsp_a_SOURCES += ../../../../../../bsps/powerpc/virtex4/start/bspstart.c librtemsbsp_a_SOURCES += ../../../../../../bsps/shared/dev/getentropy/getentropy-cpucounter.c librtemsbsp_a_SOURCES += ../../../../../../bsps/shared/start/sbrk.c librtemsbsp_a_SOURCES += ../shared/src/memcpy.c @@ -31,7 +31,7 @@ librtemsbsp_a_SOURCES += ../../../../../../bsps/shared/start/bspreset-empty.c librtemsbsp_a_SOURCES += ../../../../../../bsps/powerpc/virtex4/start/start.S # console -librtemsbsp_a_SOURCES += startup/dummy_console.c +librtemsbsp_a_SOURCES += ../../../../../../bsps/powerpc/virtex4/start/dummy_console.c librtemsbsp_a_SOURCES += ../../../../../../bsps/shared/dev/serial/printk-dummy.c # irq diff --git a/c/src/lib/libbsp/powerpc/virtex4/startup/bsp_specs b/c/src/lib/libbsp/powerpc/virtex4/startup/bsp_specs deleted file mode 100644 index ccbea2690c..0000000000 --- a/c/src/lib/libbsp/powerpc/virtex4/startup/bsp_specs +++ /dev/null @@ -1,10 +0,0 @@ -%rename startfile old_startfile -%rename endfile old_endfile - -*startfile: -%{!qrtems: %(old_startfile)} \ -%{!nostdlib: %{qrtems: ecrti%O%s rtems_crti%O%s crtbegin.o%s}} - -*endfile: -%{!qrtems: %(old_endfile)} \ -%{qrtems: crtend.o%s ecrtn.o%s} diff --git a/c/src/lib/libbsp/powerpc/virtex4/startup/bspclean.c b/c/src/lib/libbsp/powerpc/virtex4/startup/bspclean.c deleted file mode 100644 index bd5829e0b2..0000000000 --- a/c/src/lib/libbsp/powerpc/virtex4/startup/bspclean.c +++ /dev/null @@ -1,54 +0,0 @@ -/* - * This routine normally is part of start.s and usually returns - * control to a monitor. - * - * INPUT: NONE - * - * OUTPUT: NONE - * - * Author: Andrew Bray <andy@i-cubed.co.uk> - * - * COPYRIGHT (c) 1995 by i-cubed ltd. - * - * To anyone who acknowledges that this file is provided "AS IS" - * without any express or implied warranty: - * permission to use, copy, modify, and distribute this file - * for any purpose is hereby granted without fee, provided that - * the above copyright notice and this notice appears in all - * copies, and that the name of i-cubed limited not be used in - * advertising or publicity pertaining to distribution of the - * software without specific, written prior permission. - * i-cubed limited makes no representations about the suitability - * of this software for any purpose. - * - * Derived from c/src/lib/libbsp/no_cpu/no_bsp/startup/bspclean.c: - * - * COPYRIGHT (c) 1989-1999. - * On-Line Applications Research Corporation (OAR). - * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.rtems.org/license/LICENSE. - */ - -#include <bsp.h> -#include <bsp/bootcard.h> - -static void _noopfun(void) {} - -void app_bsp_cleanup(void) -__attribute__(( weak, alias("_noopfun") )); - -void bsp_fatal_extension( - rtems_fatal_source source, - bool always_set_to_false, - rtems_fatal_code error -) -{ - if ( source == RTEMS_FATAL_SOURCE_EXIT ) { - app_bsp_cleanup(); - } - - /* All done. Hang out. */ - BSP_ask_for_reset(); -} diff --git a/c/src/lib/libbsp/powerpc/virtex4/startup/bspstart.c b/c/src/lib/libbsp/powerpc/virtex4/startup/bspstart.c deleted file mode 100644 index d5c255be6d..0000000000 --- a/c/src/lib/libbsp/powerpc/virtex4/startup/bspstart.c +++ /dev/null @@ -1,219 +0,0 @@ -/* - * This routine starts the application. It includes application, - * board, and monitor specific initialization and configuration. - * The generic CPU dependent initialization has been performed - * before this routine is invoked. - */ - -/* - * Author: Thomas Doerfler <td@imd.m.isar.de> - * IMD Ingenieurbuero fuer Microcomputertechnik - * - * COPYRIGHT (c) 1998 by IMD - * - * Changes from IMD are covered by the original distributions terms. - * This file has been derived from the papyrus BSP: - * - * Author: Andrew Bray <andy@i-cubed.co.uk> - * - * COPYRIGHT (c) 1995 by i-cubed ltd. - * - * To anyone who acknowledges that this file is provided "AS IS" - * without any express or implied warranty: - * permission to use, copy, modify, and distribute this file - * for any purpose is hereby granted without fee, provided that - * the above copyright notice and this notice appears in all - * copies, and that the name of i-cubed limited not be used in - * advertising or publicity pertaining to distribution of the - * software without specific, written prior permission. - * i-cubed limited makes no representations about the suitability - * of this software for any purpose. - * - * Modifications for spooling console driver and control of memory layout - * with linker command file by - * Thomas Doerfler <td@imd.m.isar.de> - * for these modifications: - * COPYRIGHT (c) 1997 by IMD, Puchheim, Germany. - * - * To anyone who acknowledges that this file is provided "AS IS" - * without any express or implied warranty: - * permission to use, copy, modify, and distribute this file - * for any purpose is hereby granted without fee, provided that - * the above copyright notice and this notice appears in all - * copies. IMD makes no representations about the suitability - * of this software for any purpose. - * - * Derived from c/src/lib/libbsp/no_cpu/no_bsp/startup/bspstart.c: - * - * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. - * On-Line Applications Research Corporation (OAR). - * - * Modifications for PPC405GP by Dennis Ehlin - * Modifications for Virtex4 by Richard Claus <claus@slac.stanford.edu> - */ -#include <rtems.h> -#include <rtems/config.h> -#include <rtems/bspIo.h> -#include <rtems/counter.h> -#include <rtems/libio.h> -#include <rtems/libcsupport.h> -#include <rtems/sysinit.h> - -#include <libcpu/cpuIdent.h> -#include <libcpu/spr.h> - -#include <bsp.h> -#include <bsp/vectors.h> -#include <bsp/bootcard.h> -#include <bsp/irq.h> - -#include <string.h> -#include <fcntl.h> -#include <inttypes.h> - -#define DO_DOWN_ALIGN(x,a) ((x) & ~((a)-1)) - -#define DO_UP_ALIGN(x,a) DO_DOWN_ALIGN(((x) + (a) - 1 ),a) - -#define CPU_DOWN_ALIGN(x) DO_DOWN_ALIGN(x, CPU_ALIGNMENT) -#define CPU_UP_ALIGN(x) DO_UP_ALIGN(x, CPU_ALIGNMENT) - - -/* Defined in linkcmds linker script */ -LINKER_SYMBOL(RamBase); -LINKER_SYMBOL(RamSize); -LINKER_SYMBOL(__bsp_ram_start); -LINKER_SYMBOL(__bsp_ram_end); -LINKER_SYMBOL(__rtems_end); -LINKER_SYMBOL(_stack); -LINKER_SYMBOL(StackSize); -LINKER_SYMBOL(__stack_base); -LINKER_SYMBOL(WorkAreaBase); -LINKER_SYMBOL(MsgAreaBase); -LINKER_SYMBOL(MsgAreaSize); -LINKER_SYMBOL(__phy_ram_end); -LINKER_SYMBOL(bsp_exc_vector_base); - - -/* Expected by clock.c */ -uint32_t bsp_clicks_per_usec; - - -/* - * Provide weak aliases so that RTEMS distribution builds - */ -static void _noopfun(void) {} - - -void app_bsp_start(void) -__attribute__(( weak, alias("_noopfun") )); - -void app_bsp_predriver_hook(void) -__attribute__(( weak, alias("_noopfun") )); - - -static char* bspMsgBuffer = (char*)MsgAreaBase; - -static void __bsp_outchar_to_memory(char c) -{ - static char* msgBuffer = (char*)MsgAreaBase; - *msgBuffer++ = c; - if (msgBuffer >= &bspMsgBuffer[(int)MsgAreaSize]) msgBuffer = bspMsgBuffer; - *msgBuffer = 0x00; /* Overwrite next location to show EOM */ -} - - -void BSP_ask_for_reset(void) -{ - printk("\nSystem stopped, issue RESET"); - - for(;;); -} - - -/*===================================================================*/ - -/* - * BSP start routine. Called by boot_card(). - * - * This routine does the bulk of the system initialization. - */ -void bsp_start(void) -{ - uintptr_t intrStackStart; - uintptr_t intrStackSize; - - ppc_cpu_id_t myCpu; - ppc_cpu_revision_t myCpuRevision; - - /* Set the character output function; The application may override this */ - BSP_output_char = __bsp_outchar_to_memory; - - printk("RTEMS %s\n", rtems_get_version_string()); - - /* - * Get CPU identification dynamically. Note that the get_ppc_cpu_type() - * function stores the result in global variables so that it can be used later... - */ - myCpu = get_ppc_cpu_type(); - myCpuRevision = get_ppc_cpu_revision(); - printk("CPU: 0x%04x, Revision: 0x%04x = %d, Name: %s\n", - myCpu, myCpuRevision, myCpuRevision, get_ppc_cpu_type_name(myCpu)); - - /* - * Initialize the device driver parameters - */ - - /* Timebase register ticks/microsecond; The application may override these */ - bsp_clicks_per_usec = 350; - rtems_counter_initialize_converter(bsp_clicks_per_usec * 1000000); - - /* - * Initialize the interrupt related settings. - */ - intrStackStart = CPU_UP_ALIGN((uint32_t)__bsp_ram_start); - intrStackSize = rtems_configuration_get_interrupt_stack_size(); - - ppc_exc_initialize(intrStackStart, intrStackSize); - - /* Let the user know what parameters we were compiled with */ - printk(" Base/Start End Size\n" - "RAM: %p %p\n" - "RTEMS: %p\n" - "Interrupt Stack: 0x%08x 0x%x\n" - "Stack: %p %p %p\n" - "Workspace: %p %p\n" - "MsgArea: %p %p\n" - "Physical RAM %p\n", - RamBase, RamSize, - __rtems_end, - intrStackStart, intrStackSize, - __stack_base, _stack, StackSize, - WorkAreaBase, __bsp_ram_end, - MsgAreaBase, MsgAreaSize, - __phy_ram_end); - - /* - * Initialize RTEMS IRQ system - */ - BSP_rtems_irq_mngt_init(0); - - /* Continue with application-specific initialization */ - app_bsp_start(); -} - - -/* - * BSP predriver hook. Called by boot_card() just before drivers are - * initialized. Clear out any stale interrupts here. - */ -static void virtex4_pre_driver_hook(void) -{ - app_bsp_predriver_hook(); -} - -RTEMS_SYSINIT_ITEM( - virtex4_pre_driver_hook, - RTEMS_SYSINIT_BSP_PRE_DRIVERS, - RTEMS_SYSINIT_ORDER_MIDDLE -); diff --git a/c/src/lib/libbsp/powerpc/virtex4/startup/dummy_console.c b/c/src/lib/libbsp/powerpc/virtex4/startup/dummy_console.c deleted file mode 100644 index 642fe45618..0000000000 --- a/c/src/lib/libbsp/powerpc/virtex4/startup/dummy_console.c +++ /dev/null @@ -1,88 +0,0 @@ -#include <rtems.h> -#include <rtems/libio.h> -#include <rtems/bspIo.h> -#include <rtems/console.h> - -#include <string.h> - -ssize_t app_memory_write(int minor, const char* buf, size_t len) -__attribute__(( weak, alias("__bsp_memory_write") )); - -ssize_t __bsp_memory_write(int minor, const char* buf, size_t len); -rtems_device_driver console_initialize(rtems_device_major_number major, - rtems_device_minor_number minor, - void* arg); - -ssize_t __bsp_memory_write(int minor, const char* buf, size_t len) -{ - const char* const last = buf+len; - while (buf < last) - { - rtems_putc(*buf++); - } - return len; -} - -static rtems_termios_callbacks gMemCallbacks = { - 0, /* firstOpen */ - 0, /* lastClose */ - 0, /* PollRead */ - app_memory_write, /* write */ - 0, /* SetAttr */ - 0, /* stopRemoteTx */ - 0, /* startRemoteTx */ - 0 /* outputUsesInterrupts */ -}; - -rtems_device_driver console_initialize(rtems_device_major_number major, - rtems_device_minor_number minor, - void* arg) -{ - rtems_status_code status; - - rtems_termios_initialize(); - - status = rtems_io_register_name("/dev/console", major, 0); - - if (status != RTEMS_SUCCESSFUL) rtems_fatal_error_occurred (status); - return RTEMS_SUCCESSFUL; -} - -rtems_device_driver console_open(rtems_device_major_number major, - rtems_device_minor_number minor, - void* arg) -{ - rtems_status_code sc; - - sc = rtems_termios_open (major, minor, arg, &gMemCallbacks); - - return sc; -} - -rtems_device_driver console_close(rtems_device_major_number major, - rtems_device_minor_number minor, - void* arg) -{ - return rtems_termios_close(arg); -} - -rtems_device_driver console_read(rtems_device_major_number major, - rtems_device_minor_number minor, - void* arg) -{ - return rtems_termios_read(arg); -} - -rtems_device_driver console_write(rtems_device_major_number major, - rtems_device_minor_number minor, - void* arg) -{ - return rtems_termios_write(arg); -} - -rtems_device_driver console_control(rtems_device_major_number major, - rtems_device_minor_number minor, - void* arg) -{ - return rtems_termios_ioctl(arg); -} diff --git a/c/src/lib/libbsp/powerpc/virtex4/startup/linkcmds b/c/src/lib/libbsp/powerpc/virtex4/startup/linkcmds deleted file mode 100644 index 50d3a3f13c..0000000000 --- a/c/src/lib/libbsp/powerpc/virtex4/startup/linkcmds +++ /dev/null @@ -1,288 +0,0 @@ -/* - * This file contains directives for the GNU linker which are specific to the - * Virtex 4 PPC 405. No assumptions are made on the firmware in the FPGA. - * This file is intended to be used together with start.S to generate - * downloadable code. - */ - -OUTPUT_FORMAT("elf32-powerpc", "elf32-powerpc", "elf32-powerpc") -OUTPUT_ARCH(powerpc) - -ENTRY(download_entry) -EXTERN(download_entry) -EXTERN(__vectors) - -MsgAreaSize = DEFINED(MsgAreaSize) ? MsgAreaSize : 1M; -RamBase = DEFINED(RamBase) ? RamBase : 0x0; -RamSize = DEFINED(RamSize) ? RamSize : 128M - MsgAreaSize; -IntrStackSize = DEFINED(IntrStackSize) ? IntrStackSize : 16K; -StackSize = DEFINED(StackSize) ? StackSize : 64K; -HeapSize = DEFINED(HeapSize) ? HeapSize : 0; /* 0=Use def */ - - -MEMORY -{ - VECTORS : ORIGIN = 0x00000000, LENGTH = 12K - RAM : ORIGIN = 0x00003000, LENGTH = 128M - 12K -} - - -SECTIONS -{ - bsp_exc_vector_base = 0x100; - __exeentry = download_entry; - __exestart = bsp_exc_vector_base; - .vectors bsp_exc_vector_base : { *(.vectors) } > VECTORS - - /* Read-only sections, merged into text segment: */ - .interp : { *(.interp) } > RAM - .hash : { *(.hash) } > RAM - .dynsym : { *(.dynsym) } > RAM - .dynstr : { *(.dynstr) } > RAM - .gnu.version : { *(.gnu.version) } > RAM - .gnu.version_d : { *(.gnu.version_d) } > RAM - .gnu.version_r : { *(.gnu.version_r) } > RAM - .rela.text : { *(.rela.text) *(.rela.gnu.linkonce.t*) } > RAM - .rela.data : { *(.rela.data) *(.rela.gnu.linkonce.d*) } > RAM - .rela.rodata : { *(.rela.rodata*) *(.rela.gnu.linkonce.r*) } > RAM - .rela.got : { *(.rela.got) } > RAM - .rela.got1 : { *(.rela.got1) } > RAM - .rela.got2 : { *(.rela.got2) } > RAM - .rela.ctors : { *(.rela.ctors) } > RAM - .rela.dtors : { *(.rela.dtors) } > RAM - .rela.init : { *(.rela.init) } > RAM - .rela.fini : { *(.rela.fini) } > RAM - .rela.bss : { *(.rela.bss) } > RAM - .rela.plt : { *(.rela.plt) } > RAM - .rela.sdata : { *(.rela.sdata) } > RAM - .rela.sbss : { *(.rela.sbss) } > RAM - .rela.sdata2 : { *(.rela.sdata2) } > RAM - .rela.sbss2 : { *(.rela.sbss2) } > RAM - .rela.dyn : { *(.rela.dyn) } > RAM - - /* Initialization code */ - .init : { PROVIDE (_init = .); - *ecrti.o(.init) - KEEP(*(.init)) - *ecrtn.o(.init) - } > RAM - - .text : { *(.entry) - *(.text) - *(.text.*) - - /* Special FreeBSD sysctl sections */ - . = ALIGN (16); - __start_set_sysctl_set = .; - *(set_sysctl_*); - __stop_set_sysctl_set = ABSOLUTE(.); - *(set_domain_*); - *(set_pseudo_*); - - /* .gnu.warning sections are handled specially by elf32.em - */ - *(.gnu.warning) - *(.gnu.linkonce.t*) - } > RAM - - /* Finalization code */ - .fini : { PROVIDE (_fini = .); - *ecrti.o(.fini) - KEEP(*(.fini)) - *ecrtn.o(.fini) - } > RAM - - /* Miscellaneous read-only data */ - .rodata : { *(.rodata.* .gnu.linkonce.r*) KEEP (*(SORT(.rtemsroset.*))) } > RAM - .rodata1 : { *(.rodata1) } > RAM - - .tdata : { - _TLS_Data_begin = .; - *(.tdata .tdata.* .gnu.linkonce.td.*) - _TLS_Data_end = .; - } >RAM - - .tbss : { - _TLS_BSS_begin = .; - *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) - _TLS_BSS_end = .; - } >RAM - - _TLS_Data_size = _TLS_Data_end - _TLS_Data_begin; - _TLS_Data_begin = _TLS_Data_size != 0 ? _TLS_Data_begin : _TLS_BSS_begin; - _TLS_Data_end = _TLS_Data_size != 0 ? _TLS_Data_end : _TLS_BSS_begin; - _TLS_BSS_size = _TLS_BSS_end - _TLS_BSS_begin; - _TLS_Size = _TLS_BSS_end - _TLS_Data_begin; - _TLS_Alignment = MAX (ALIGNOF (.tdata), ALIGNOF (.tbss)); - - /* Initialised small data addressed as offsets from r2 */ - .sdata2 : { PROVIDE (_SDA2_BASE_ = 32768); *(.sdata2 .sdata2.* .gnu.linkonce.s2.*) } > RAM - - /* Zeroed small data addressed as offsets from r2 */ - .sbss2 : { *(.sbss2 .sbss2.* .gnu.linkonce.sb2.*) - - /* Avoid empty sdata2/sbss2 area: __eabi would not set up - * r2 which may be important if run-time loading is used - */ - . += 1; - - PROVIDE (__SBSS2_END__ = .); - } > RAM - - /* Exception frame info */ - .eh_frame : { *(.eh_frame .eh_frame.*) } > RAM - .eh_frame_hdr : { *(.eh_frame_hdr) } > RAM - - /* Declares where the .text section ends */ - _etext = .; - PROVIDE (etext = .); - - /* Initialized R/W Data section goes in RAM */ - .data : { PROVIDE(__DATA_START__ = ABSOLUTE(.) ); - *(.data) - *(.data.*) - KEEP (*(SORT(.rtemsrwset.*))) - *(.gnu.linkonce.d*) - } > RAM - - .data1 : { *(.data1) } > RAM - - PROVIDE (__EXCEPT_START__ = .); - .gcc_except_table : { *(.gcc_except_table .gcc_except_table.*) } > RAM - PROVIDE (__EXCEPT_END__ = .); - - .got1 : { *(.got1) } > RAM - - /* Put .ctors and .dtors next to the .got2 section, so that the pointers - * get relocated with -mrelocatable. Also put in the .fixup pointers. - * The current compiler no longer needs this, but keep it around for 2.7.2. - */ - PROVIDE (_GOT2_START_ = .); - .got2 : { *(.got2) } > RAM - - .dynamic : { *(.dynamic) } > RAM - - .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)) - /* 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 ) .ctors)) - KEEP (*(SORT(.ctors.*))) - KEEP (*(.ctors)) - } > RAM - - .dtors : { KEEP (*crtbegin.o(.dtors)) - KEEP (*(EXCLUDE_FILE (*crtend.o ) .dtors)) - KEEP (*(SORT(.dtors.*))) - KEEP (*(.dtors)) - } > RAM - - PROVIDE (_FIXUP_START_ = .); - .fixup : { *(.fixup) } > RAM - PROVIDE (_FIXUP_END_ = .); - - PROVIDE (_GOT2_END_ = .); - - PROVIDE (_GOT_START_ = .); - .got : { __got_start = .; - *(.got) - } > RAM - - .got.plt : { *(.got.plt) } > RAM - PROVIDE (_GOT_END_ = .); - - .jcr : { KEEP (*(.jcr)) } > RAM - - /* We want the small data sections together, so single-instruction offsets - * can access them all, and initialized data all before uninitialized, so - * we can shorten the on-disk segment size. - */ - /* Initialised small data addressed as offsets from r13 */ - .sdata : { PROVIDE (_SDA_BASE_ = 32768); *(.sdata* .gnu.linkonce.s.*) } > RAM - - _edata = .; - PROVIDE (edata = .); - - /* Zeroed small data addressed as offsets from r13 */ - .sbss : { PROVIDE (__sbss_start = .); - *(.dynsbss) - *(.sbss*) - *(.gnu.linkonce.sb.*) - *(.scommon) - - /* Avoid empty sdata/sbss area: __eabi would not set up - * r13, which may be important if run-time loading is used - */ - . += 1; - - PROVIDE (__SBSS_END__ = .); - PROVIDE (__sbss_end = .); - } > RAM - - .plt : { *(.plt) } > RAM - .iplt : { *(.iplt) } > RAM - - /* Zeroed large data */ - .bss : { PROVIDE (__bss_start = .); - *(.dynbss) - *(.bss) - *(.bss.*) - *(.gnu.linkonce.b*) - *(COMMON) - - PROVIDE (__bss_end = ALIGN(4)); - __bss_size = __bss_end - __bss_start; - } > RAM - - __exeend = ALIGN(4); - __rtems_end = .; - . = ALIGN(0x10); /* Align to a cache-line boundary */ - PROVIDE(__bsp_ram_start = .); - - /* Interrupt stack: aligned on a cache-line boundary */ - . += IntrStackSize; - __intrStack = .; - - /* Main stack lives here */ - _stack = ALIGN(0x10); /* Align to a cache-line boundary */ - . += StackSize; - __stack_base = .; /* Initial stack builds downwards */ - - /* RTEMS workspace: size specified by application */ - WorkAreaBase = ALIGN(0x10); /* Align to a cache-line boundary */ - - /* The heap comes after the work space */ - - . = RamBase + RamSize; - PROVIDE(__bsp_ram_end = .); - - /* Message area for capturing early printk output */ - /* Placed here to be easily findable with a debugger */ - MsgAreaBase = .; - . += MsgAreaSize; - - __phy_ram_end = .; /* True end of physical memory */ - - /DISCARD/ : - { - *(.comment) - } - - /* Some configuration constants: Not clear why they're placed here */ - __dccr = 0x80000000; - __iccr = 0x80000000; - __sgr = 0x7fffffff; - __vectors = 0; -} |