147 lines
3.2 KiB
Plaintext
147 lines
3.2 KiB
Plaintext
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/*
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*uncomment this if you want the linker to output srecords.
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OUTPUT_FORMAT(srec)
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*
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*/
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STARTUP(traps.o)
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INPUT(sim-crt0.o)
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OUTPUT_ARCH(sparc)
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SEARCH_DIR(.)
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__DYNAMIC = 0;
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GROUP(-lc -lsim -lgcc)
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/*
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* The memory map looks like this:
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* +--------------------+ <- low memory
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* | .text |
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* | _stext |
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* | _etext |
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* | ctor list | the ctor and dtor lists are for
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* | dtor list | C++ support
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* | _end_text |
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* +--------------------+
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* | .data | initialized data goes here
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* | _sdata |
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* | _edata |
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* +--------------------+
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* | .bss |
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* | __bss_start | start of bss, cleared by crt0
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* | _end | start of heap, used by sbrk()
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* +--------------------+
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* | heap space |
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* | _ENDHEAP |
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* | stack space |
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* | __stack | top of stack
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* +--------------------+ <- high memory
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*/
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/*
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* User modifiable values:
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*
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* _CLOCK_SPEED in Mhz (used to program the counter/timers)
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*
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* _PROM_SIZE size of PROM (permissible values are 4K, 8K, 16K
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* 32K, 64K, 128K, 256K, and 512K)
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* _RAM_SIZE size of RAM (permissible values are 256K, 512K,
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* 1MB, 2Mb, 4Mb, 8Mb, 16Mb, and 32Mb)
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*
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* These symbols are only used in assembler code, so they only need to
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* be listed once. They should always be refered to without SYM().
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*/
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_CLOCK_SPEED = 10;
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_PROM_SIZE = 4M;
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_RAM_SIZE = 2M;
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_RAM_START = 0x02020000;
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_RAM_END = _RAM_START + _RAM_SIZE;
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_STACK_SIZE = (16 * 1024);
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_PROM_START = 0x00000000;
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_PROM_END = _PROM_START + _PROM_SIZE;
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/*
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* Base address of the on-CPU peripherals
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*/
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_ERC32_MEC = 0x01f80000;
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/*
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* Setup the memory map for the SIS simulator.
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* stack grows up towards low memory.
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*/
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/*
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MEMORY
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{
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rom : ORIGIN = 0x00000000, LENGTH = 4M
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ram (rwx) : ORIGIN = 0x02000000, LENGTH = 2M
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}
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*/
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__stack = _RAM_START + _RAM_SIZE - 4 * 16;
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__trap_stack = (_RAM_START + _RAM_SIZE - 4 * 16) - _STACK_SIZE;
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/*
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* All the symbols that might be accessed from C code need to be
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* listed twice, once with an additional underscore. aout format needs
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* and extra underscore, whereas coff & elf doesn't. This is to work
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* with both.
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*/
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SECTIONS
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{
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.text 0x02000000 : {
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stext = .;
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_stext = .;
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*(.text)
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_etext = .;
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__CTOR_LIST__ = .;
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LONG((__CTOR_END__ - __CTOR_LIST__) / 4 - 2)
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*(.ctors)
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LONG(0)
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__CTOR_END__ = .;
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__DTOR_LIST__ = .;
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LONG((__DTOR_END__ - __DTOR_LIST__) / 4 - 2)
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*(.dtors)
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LONG(0)
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__DTOR_END__ = .;
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*(.lit)
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*(.shdata)
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_endtext = .;
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} > ram
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.shbss SIZEOF(.text) + ADDR(.text) : {
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*(.shbss)
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}
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.talias : { } > ram
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.data : {
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sdata = .;
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_sdata = .;
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*(.data)
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edata = .;
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_edata = .;
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} > ram
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.bss SIZEOF(.data) + ADDR(.data) :
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{
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sbss = . ;
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_sbss = . ;
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__bss_start = ALIGN(0x8);
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*(.bss)
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*(COMMON)
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end = ALIGN(0x8);
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_end = ALIGN(0x8);
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__end = ALIGN(0x8);
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ebss = .;
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_ebss = .;
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}
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.mstack : { } > ram
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.rstack : { } > ram
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.stab 0 (NOLOAD) :
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{
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[ .stab ]
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}
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.stabstr 0 (NOLOAD) :
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{
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[ .stabstr ]
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}
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}
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