megadrive_test1
diff megadrive.ldscript @ 0:909c22dc18d2
initial commit
author | John Tsiombikas <nuclear@member.fsf.org> |
---|---|
date | Mon, 30 Jan 2017 08:21:53 +0200 |
parents | |
children | 9e7f64c4fe7a |
line diff
1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/megadrive.ldscript Mon Jan 30 08:21:53 2017 +0200 1.3 @@ -0,0 +1,44 @@ 1.4 +OUTPUT_ARCH(m68k) 1.5 + 1.6 +MEMORY 1.7 +{ 1.8 + rom : ORIGIN = 0x00000000, LENGTH = 0x00a00000 1.9 + ram : ORIGIN = 0x00ff0000, LENGTH = 0x00010000 1.10 +} 1.11 + 1.12 +PROVIDE (_stacktop = 0x01000000); 1.13 + 1.14 +SECTIONS { 1.15 + /* ---- start of ROM ---- */ 1.16 + /* .vect section is used to place the m68k exception vectors at the 1.17 + * beginning of the address space 1.18 + */ 1.19 + .vect : { KEEP (* (.vect)); } >rom 1.20 + /* .romhdr section is used to place the SEGA ROM header at 0x100 */ 1.21 + . = 0x100; 1.22 + .romhdr : { KEEP (* (.romhdr)); } >rom 1.23 + .text : { * (.text); } >rom 1.24 + .rodata : { * (.rodata); } >rom 1.25 + 1.26 + /* place the load address of the .data section after .rodata */ 1.27 + _data_lma = .; 1.28 + _rom_end = _data_lma + _data_size; 1.29 + 1.30 + /* ---- start of RAM ---- */ 1.31 + . = 0xff0000; 1.32 + /* place the .data section at the start of RAM */ 1.33 + .data : AT (_data_lma) { 1.34 + _data_start = .; 1.35 + * (.data); 1.36 + _data_end = .; 1.37 + } >ram 1.38 + _data_size = SIZEOF(.data); 1.39 + 1.40 + /* place the .bss section at the end */ 1.41 + .bss : { 1.42 + _bss_start = .; 1.43 + * (.bss); 1.44 + _bss_end = .; 1.45 + } >ram 1.46 + _bss_size = SIZEOF(.bss); 1.47 +}