From 1587af614b69b9639c27e0f0bca68eda01fe9146 Mon Sep 17 00:00:00 2001 From: Joel Sherrill Date: Sat, 20 Dec 1997 16:37:29 +0000 Subject: Update from Eric Norum to include C++ support. --- c/src/lib/libbsp/m68k/gen68360/startup/linkcmds | 248 ++++++++++---------- .../libbsp/m68k/gen68360/startup/linkcmds.bootp | 258 +++++++++++---------- .../lib/libbsp/m68k/gen68360/startup/linkcmds.prom | 14 ++ 3 files changed, 281 insertions(+), 239 deletions(-) (limited to 'c/src/lib/libbsp/m68k/gen68360/startup') diff --git a/c/src/lib/libbsp/m68k/gen68360/startup/linkcmds b/c/src/lib/libbsp/m68k/gen68360/startup/linkcmds index b50954e10c..1e3b09510d 100644 --- a/c/src/lib/libbsp/m68k/gen68360/startup/linkcmds +++ b/c/src/lib/libbsp/m68k/gen68360/startup/linkcmds @@ -1,117 +1,131 @@ -/* - * This file contains GNU linker directives for a generic MC68360 board. - * Variations in memory size and allocation can be made by - * overriding some values with linker command-line arguments. - * - * Saskatchewan Accelerator Laboratory - * University of Saskatchewan - * Saskatoon, Saskatchewan, CANADA - * eric@skatter.usask.ca - * - * $Id$ - */ - -/* - * Declare some sizes. - * XXX: The assignment of ". += XyzSize;" fails in older gld's if the - * number used there is not constant. If this happens to you, edit - * the lines marked XXX below to use a constant value. - */ -RamSize = DEFINED(RamSize) ? RamSize : 4M; -HeapSize = DEFINED(HeapSize) ? HeapSize : 0x10000; -StackSize = DEFINED(StackSize) ? StackSize : 0x1000; - -/* - * Declare on-board memory. - * It would be nice if the ram length could be given as - * LENGTH=RamSize, but gld doesn't allow non-constant - * values in the LENGTH expression. - */ -MEMORY { - ram : ORIGIN = 0x00000000, LENGTH = 64M - rom : ORIGIN = 0x0F000000, LENGTH = 1M - dpram : ORIGIN = 0x0E000000, LENGTH = 8k -} - -/* - * Declare low-order three octets of Ethernet address. - */ -ETHERNET_ADDRESS = DEFINED(ETHERNET_ADDRESS) ? ETHERNET_ADDRESS : 0xDEAD12; - -/* - * Load objects - */ -SECTIONS { - /* - * Hardware variations - */ - _RamSize = RamSize; - __RamSize = RamSize; - - /* - * Boot PROM - */ - rom : { - _RomBase = .; - __RomBase = .; - } >rom - - /* - * Dynamic RAM - */ - ram : { - _RamBase = .; - __RamBase = .; - } >ram - - /* - * Text, data and bss segments - */ - .text : { - CREATE_OBJECT_SYMBOLS - *(.text) - . = ALIGN (16); - etext = .; - _etext = .; - } >ram - .data : { - copy_start = .; - *(.data) - . = ALIGN (16); - _edata = .; - copy_end = .; - } >ram - .bss : { - M68Kvec = .; - _M68Kvec = .; - . += (256 * 4); - clear_start = .; - *(.bss) - *(COMMON) - . = ALIGN (16); - _end = .; - - _HeapStart = .; - __HeapStart = .; - . += HeapSize; /* XXX -- Old gld can't handle this */ - . += StackSize; /* XXX -- Old gld can't handle this */ - /* . += 0x10000; */ /* HeapSize for old gld */ - /* . += 0x1000; */ /* StackSize for old gld */ - . = ALIGN (16); - stack_init = .; - clear_end = .; - - _WorkspaceBase = .; - __WorkspaceBase = .; - } >ram - - /* - * On-chip memory/peripherals - */ - dpram : { - m360 = .; - _m360 = .; - . += (8 * 1024); - - } >dpram -} +/* + * This file contains GNU linker directives for a generic MC68360 board. + * Variations in memory size and allocation can be made by + * overriding some values with linker command-line arguments. + * + * Saskatchewan Accelerator Laboratory + * University of Saskatchewan + * Saskatoon, Saskatchewan, CANADA + * eric@skatter.usask.ca + * + * $Id$ + */ + +/* + * Declare some sizes. + * XXX: The assignment of ". += XyzSize;" fails in older gld's if the + * number used there is not constant. If this happens to you, edit + * the lines marked XXX below to use a constant value. + */ +RamSize = DEFINED(RamSize) ? RamSize : 4M; +HeapSize = DEFINED(HeapSize) ? HeapSize : 0x10000; +StackSize = DEFINED(StackSize) ? StackSize : 0x1000; + +/* + * Declare on-board memory. + * It would be nice if the ram length could be given as + * LENGTH=RamSize, but gld doesn't allow non-constant + * values in the LENGTH expression. + */ +MEMORY { + ram : ORIGIN = 0x00000000, LENGTH = 64M + rom : ORIGIN = 0x0F000000, LENGTH = 1M + dpram : ORIGIN = 0x0E000000, LENGTH = 8k +} + +/* + * Declare low-order three octets of Ethernet address. + */ +ETHERNET_ADDRESS = DEFINED(ETHERNET_ADDRESS) ? ETHERNET_ADDRESS : 0xDEAD12; + +/* + * Load objects + */ +SECTIONS { + /* + * Hardware variations + */ + _RamSize = RamSize; + __RamSize = RamSize; + + /* + * Boot PROM + */ + rom : { + _RomBase = .; + __RomBase = .; + } >rom + + /* + * Dynamic RAM + */ + ram : { + _RamBase = .; + __RamBase = .; + } >ram + + /* + * Text, data and bss segments + */ + .text : { + CREATE_OBJECT_SYMBOLS + *(.text) + . = ALIGN (16); + etext = .; + _etext = .; + + /* + * C++ constructors + */ + __CTOR_LIST__ = .; + LONG((__CTOR_END__ - __CTOR_LIST__) / 4 - 2) + *(.ctors) + LONG(0) + __CTOR_END__ = .; + __DTOR_LIST__ = .; + LONG((__DTOR_END__ - __DTOR_LIST__) / 4 - 2) + *(.dtors) + LONG(0) + __DTOR_END__ = .; + } >ram + .data : { + copy_start = .; + *(.data) + . = ALIGN (16); + _edata = .; + copy_end = .; + } >ram + .bss : { + M68Kvec = .; + _M68Kvec = .; + . += (256 * 4); + clear_start = .; + *(.bss) + *(COMMON) + . = ALIGN (16); + _end = .; + + _HeapStart = .; + __HeapStart = .; + . += HeapSize; /* XXX -- Old gld can't handle this */ + . += StackSize; /* XXX -- Old gld can't handle this */ + /* . += 0x10000; */ /* HeapSize for old gld */ + /* . += 0x1000; */ /* StackSize for old gld */ + . = ALIGN (16); + stack_init = .; + clear_end = .; + + _WorkspaceBase = .; + __WorkspaceBase = .; + } >ram + + /* + * On-chip memory/peripherals + */ + dpram : { + m360 = .; + _m360 = .; + . += (8 * 1024); + + } >dpram +} diff --git a/c/src/lib/libbsp/m68k/gen68360/startup/linkcmds.bootp b/c/src/lib/libbsp/m68k/gen68360/startup/linkcmds.bootp index a39b355e25..41bff4ff8e 100644 --- a/c/src/lib/libbsp/m68k/gen68360/startup/linkcmds.bootp +++ b/c/src/lib/libbsp/m68k/gen68360/startup/linkcmds.bootp @@ -1,122 +1,136 @@ -/* - * This file contains GNU linker directives for a generic MC68360 board. - * Variations in hardware type and dynamic memory size can be made - * by overriding some values with linker command-line arguments. - * - * These linker directives are for producing a PROM version. - * The data segment is placed at the end of the text segment in the PROM. - * The start-up code takes care of copying this region to RAM. - * - * Saskatchewan Accelerator Laboratory - * University of Saskatchewan - * Saskatoon, Saskatchewan, CANADA - * eric@skatter.usask.ca - * - * $Id$ - */ - -/* - * Declare some sizes. - * XXX: The assignment of ". += XyzSize;" fails in older gld's if the - * number used there is not constant. If this happens to you, edit - * the lines marked XXX below to use a constant value. - */ -RamSize = DEFINED(RamSize) ? RamSize : 4M; -HeapSize = DEFINED(HeapSize) ? HeapSize : 0x10000; -StackSize = DEFINED(StackSize) ? StackSize : 0x1000; - -/* - * Declare on-board memory. - * It would be nice if the ram length could be given as - * LENGTH=RamSize, but gld doesn't allow non-constant - * values in the LENGTH expression. - */ -MEMORY { - ram : ORIGIN = 0x00000000, LENGTH = 64M - myram : ORIGIN = 4M-512k, LENGTH = 512k - rom : ORIGIN = 0x0F000000, LENGTH = 1M - dpram : ORIGIN = 0x0E000000, LENGTH = 8k -} - -/* - * Declare low-order three octets of Ethernet address. - */ -ETHERNET_ADDRESS = DEFINED(ETHERNET_ADDRESS) ? ETHERNET_ADDRESS : 0xDEAD12; - -/* - * Load objects - */ -SECTIONS { - /* - * Hardware variations - */ - _RamSize = RamSize; - __RamSize = RamSize; - - /* - * Boot PROM - */ - rom : { - _RomBase = .; - __RomBase = .; - } >rom - - /* - * Dynamic RAM - */ - ram : { - _RamBase = .; - __RamBase = .; - } >ram - - /* - * Text, data and bss segments - */ - .text : AT (0x00000000) { - CREATE_OBJECT_SYMBOLS - *(.text) - . = ALIGN (16); - etext = .; - _etext = .; - } >rom - .data : AT(SIZEOF(.text)) { - copy_start = .; - *(.data) - . = ALIGN (16); - _edata = .; - copy_end = .; - } >myram - .bss : { - M68Kvec = .; - _M68Kvec = .; - . += (256 * 4); - clear_start = .; - *(.bss) - *(COMMON) - . = ALIGN (16); - _end = .; - - _HeapStart = .; - __HeapStart = .; - . += HeapSize; /* XXX -- Old gld can't handle this */ - . += StackSize; /* XXX -- Old gld can't handle this */ - /* . += 0x10000; */ /* HeapSize for old gld */ - /* . += 0x1000; */ /* StackSize for old gld */ - . = ALIGN (16); - stack_init = .; - clear_end = .; - - _WorkspaceBase = .; - __WorkspaceBase = .; - } >myram - - /* - * On-chip memory/peripherals - */ - dpram : { - m360 = .; - _m360 = .; - . += (8 * 1024); - - } >dpram -} +/* + * This file contains GNU linker directives for a generic MC68360 board. + * Variations in hardware type and dynamic memory size can be made + * by overriding some values with linker command-line arguments. + * + * These linker directives are for producing a PROM version. + * The data segment is placed at the end of the text segment in the PROM. + * The start-up code takes care of copying this region to RAM. + * + * Saskatchewan Accelerator Laboratory + * University of Saskatchewan + * Saskatoon, Saskatchewan, CANADA + * eric@skatter.usask.ca + * + * $Id$ + */ + +/* + * Declare some sizes. + * XXX: The assignment of ". += XyzSize;" fails in older gld's if the + * number used there is not constant. If this happens to you, edit + * the lines marked XXX below to use a constant value. + */ +RamSize = DEFINED(RamSize) ? RamSize : 4M; +HeapSize = DEFINED(HeapSize) ? HeapSize : 0x10000; +StackSize = DEFINED(StackSize) ? StackSize : 0x1000; + +/* + * Declare on-board memory. + * It would be nice if the ram length could be given as + * LENGTH=RamSize, but gld doesn't allow non-constant + * values in the LENGTH expression. + */ +MEMORY { + ram : ORIGIN = 0x00000000, LENGTH = 64M + myram : ORIGIN = 4M-512k, LENGTH = 512k + rom : ORIGIN = 0x0F000000, LENGTH = 1M + dpram : ORIGIN = 0x0E000000, LENGTH = 8k +} + +/* + * Declare low-order three octets of Ethernet address. + */ +ETHERNET_ADDRESS = DEFINED(ETHERNET_ADDRESS) ? ETHERNET_ADDRESS : 0xDEAD12; + +/* + * Load objects + */ +SECTIONS { + /* + * Hardware variations + */ + _RamSize = RamSize; + __RamSize = RamSize; + + /* + * Boot PROM + */ + rom : { + _RomBase = .; + __RomBase = .; + } >rom + + /* + * Dynamic RAM + */ + ram : { + _RamBase = .; + __RamBase = .; + } >ram + + /* + * Text, data and bss segments + */ + .text : AT (0x00000000) { + CREATE_OBJECT_SYMBOLS + *(.text) + . = ALIGN (16); + etext = .; + _etext = .; + + /* + * C++ constructors + */ + __CTOR_LIST__ = .; + LONG((__CTOR_END__ - __CTOR_LIST__) / 4 - 2) + *(.ctors) + LONG(0) + __CTOR_END__ = .; + __DTOR_LIST__ = .; + LONG((__DTOR_END__ - __DTOR_LIST__) / 4 - 2) + *(.dtors) + LONG(0) + __DTOR_END__ = .; + } >rom + .data : AT(SIZEOF(.text)) { + copy_start = .; + *(.data) + . = ALIGN (16); + _edata = .; + copy_end = .; + } >myram + .bss : { + M68Kvec = .; + _M68Kvec = .; + . += (256 * 4); + clear_start = .; + *(.bss) + *(COMMON) + . = ALIGN (16); + _end = .; + + _HeapStart = .; + __HeapStart = .; + . += HeapSize; /* XXX -- Old gld can't handle this */ + . += StackSize; /* XXX -- Old gld can't handle this */ + /* . += 0x10000; */ /* HeapSize for old gld */ + /* . += 0x1000; */ /* StackSize for old gld */ + . = ALIGN (16); + stack_init = .; + clear_end = .; + + _WorkspaceBase = .; + __WorkspaceBase = .; + } >myram + + /* + * On-chip memory/peripherals + */ + dpram : { + m360 = .; + _m360 = .; + . += (8 * 1024); + + } >dpram +} diff --git a/c/src/lib/libbsp/m68k/gen68360/startup/linkcmds.prom b/c/src/lib/libbsp/m68k/gen68360/startup/linkcmds.prom index 64d5fe91a1..1d5db6006b 100644 --- a/c/src/lib/libbsp/m68k/gen68360/startup/linkcmds.prom +++ b/c/src/lib/libbsp/m68k/gen68360/startup/linkcmds.prom @@ -106,6 +106,20 @@ SECTIONS { . = ALIGN (16); etext = .; _etext = .; + + /* + * C++ constructors + */ + __CTOR_LIST__ = .; + LONG((__CTOR_END__ - __CTOR_LIST__) / 4 - 2) + *(.ctors) + LONG(0) + __CTOR_END__ = .; + __DTOR_LIST__ = .; + LONG((__DTOR_END__ - __DTOR_LIST__) / 4 - 2) + *(.dtors) + LONG(0) + __DTOR_END__ = .; } >rom .data : { copy_start = .; -- cgit v1.2.3