core: Add matrix_clear() and default impl.
[tmk_keyboard.git] / tmk_core / ldscript_keymap_avr5.x
1 /*
2 * linker script for configurable keymap
3 *
4 * This adds keymap section which places keymap at fixed address and
5 * is based on binutils-avr ldscripts(/usr/lib/ldscripts/avr5.x).
6 */
7 OUTPUT_FORMAT("elf32-avr","elf32-avr","elf32-avr")
8 OUTPUT_ARCH(avr:5)
9 MEMORY
10 {
11 /* With keymap section
12 *
13 * Flash Map of ATMega32U4(32KB)
14 * +------------+ 0x0000
15 * | .vectors |
16 * | .progmem |
17 * | .init0-9 | > text region
18 * | .text |
19 * | .fini9-0 |
20 * | |
21 * |------------| _etext
22 * | .data |
23 * | .bss | > data region
24 * | .noinit |
25 * | |
26 * |------------| 0x6800
27 * | .keymap | > keymap region(2KB)
28 * |------------| 0x7000
29 * | bootloader | 4KB
30 * +------------+ 0x7FFF
31 */
32 text (rx) : ORIGIN = 0, LENGTH = 128K
33 keymap (rw!x) : ORIGIN = 0x6800, LENGTH = 2K
34 data (rw!x) : ORIGIN = 0x800060, LENGTH = 0xffa0
35 eeprom (rw!x) : ORIGIN = 0x810000, LENGTH = 64K
36 fuse (rw!x) : ORIGIN = 0x820000, LENGTH = 1K
37 lock (rw!x) : ORIGIN = 0x830000, LENGTH = 1K
38 signature (rw!x) : ORIGIN = 0x840000, LENGTH = 1K
39 }
40 SECTIONS
41 {
42 /* Read-only sections, merged into text segment: */
43 .hash : { *(.hash) }
44 .dynsym : { *(.dynsym) }
45 .dynstr : { *(.dynstr) }
46 .gnu.version : { *(.gnu.version) }
47 .gnu.version_d : { *(.gnu.version_d) }
48 .gnu.version_r : { *(.gnu.version_r) }
49 .rel.init : { *(.rel.init) }
50 .rela.init : { *(.rela.init) }
51 .rel.text :
52 {
53 *(.rel.text)
54 *(.rel.text.*)
55 *(.rel.gnu.linkonce.t*)
56 }
57 .rela.text :
58 {
59 *(.rela.text)
60 *(.rela.text.*)
61 *(.rela.gnu.linkonce.t*)
62 }
63 .rel.fini : { *(.rel.fini) }
64 .rela.fini : { *(.rela.fini) }
65 .rel.rodata :
66 {
67 *(.rel.rodata)
68 *(.rel.rodata.*)
69 *(.rel.gnu.linkonce.r*)
70 }
71 .rela.rodata :
72 {
73 *(.rela.rodata)
74 *(.rela.rodata.*)
75 *(.rela.gnu.linkonce.r*)
76 }
77 .rel.data :
78 {
79 *(.rel.data)
80 *(.rel.data.*)
81 *(.rel.gnu.linkonce.d*)
82 }
83 .rela.data :
84 {
85 *(.rela.data)
86 *(.rela.data.*)
87 *(.rela.gnu.linkonce.d*)
88 }
89 .rel.ctors : { *(.rel.ctors) }
90 .rela.ctors : { *(.rela.ctors) }
91 .rel.dtors : { *(.rel.dtors) }
92 .rela.dtors : { *(.rela.dtors) }
93 .rel.got : { *(.rel.got) }
94 .rela.got : { *(.rela.got) }
95 .rel.bss : { *(.rel.bss) }
96 .rela.bss : { *(.rela.bss) }
97 .rel.plt : { *(.rel.plt) }
98 .rela.plt : { *(.rela.plt) }
99 /* Internal text space or external memory. */
100 .text :
101 {
102 *(.vectors)
103 KEEP(*(.vectors))
104 /* For data that needs to reside in the lower 64k of progmem. */
105 *(.progmem.gcc*)
106 *(.progmem*)
107 . = ALIGN(2);
108 __trampolines_start = . ;
109 /* The jump trampolines for the 16-bit limited relocs will reside here. */
110 *(.trampolines)
111 *(.trampolines*)
112 __trampolines_end = . ;
113 /* For future tablejump instruction arrays for 3 byte pc devices.
114 We don't relax jump/call instructions within these sections. */
115 *(.jumptables)
116 *(.jumptables*)
117 /* For code that needs to reside in the lower 128k progmem. */
118 *(.lowtext)
119 *(.lowtext*)
120 __ctors_start = . ;
121 *(.ctors)
122 __ctors_end = . ;
123 __dtors_start = . ;
124 *(.dtors)
125 __dtors_end = . ;
126 KEEP(SORT(*)(.ctors))
127 KEEP(SORT(*)(.dtors))
128 /* From this point on, we don't bother about wether the insns are
129 below or above the 16 bits boundary. */
130 *(.init0) /* Start here after reset. */
131 KEEP (*(.init0))
132 *(.init1)
133 KEEP (*(.init1))
134 *(.init2) /* Clear __zero_reg__, set up stack pointer. */
135 KEEP (*(.init2))
136 *(.init3)
137 KEEP (*(.init3))
138 *(.init4) /* Initialize data and BSS. */
139 KEEP (*(.init4))
140 *(.init5)
141 KEEP (*(.init5))
142 *(.init6) /* C++ constructors. */
143 KEEP (*(.init6))
144 *(.init7)
145 KEEP (*(.init7))
146 *(.init8)
147 KEEP (*(.init8))
148 *(.init9) /* Call main(). */
149 KEEP (*(.init9))
150 *(.text)
151 . = ALIGN(2);
152 *(.text.*)
153 . = ALIGN(2);
154 *(.fini9) /* _exit() starts here. */
155 KEEP (*(.fini9))
156 *(.fini8)
157 KEEP (*(.fini8))
158 *(.fini7)
159 KEEP (*(.fini7))
160 *(.fini6) /* C++ destructors. */
161 KEEP (*(.fini6))
162 *(.fini5)
163 KEEP (*(.fini5))
164 *(.fini4)
165 KEEP (*(.fini4))
166 *(.fini3)
167 KEEP (*(.fini3))
168 *(.fini2)
169 KEEP (*(.fini2))
170 *(.fini1)
171 KEEP (*(.fini1))
172 *(.fini0) /* Infinite loop after program termination. */
173 KEEP (*(.fini0))
174 _etext = . ;
175 } > text
176 .data : AT (ADDR (.text) + SIZEOF (.text))
177 {
178 PROVIDE (__data_start = .) ;
179 *(.data)
180 *(.data*)
181 *(.rodata) /* We need to include .rodata here if gcc is used */
182 *(.rodata*) /* with -fdata-sections. */
183 *(.gnu.linkonce.d*)
184 . = ALIGN(2);
185 _edata = . ;
186 PROVIDE (__data_end = .) ;
187 } > data
188 .bss : AT (ADDR (.bss))
189 {
190 PROVIDE (__bss_start = .) ;
191 *(.bss)
192 *(.bss*)
193 *(COMMON)
194 PROVIDE (__bss_end = .) ;
195 } > data
196 __data_load_start = LOADADDR(.data);
197 __data_load_end = __data_load_start + SIZEOF(.data);
198 /* Global data not cleared after reset. */
199 .noinit :
200 {
201 PROVIDE (__noinit_start = .) ;
202 *(.noinit*)
203 PROVIDE (__noinit_end = .) ;
204 _end = . ;
205 PROVIDE (__heap_start = .) ;
206 } > data
207 /* keymap region is located at end of flash
208 * .fn_actions Fn actions definitions
209 * .keymaps Mapping layers
210 */
211 .keymap :
212 {
213 PROVIDE(__keymap_start = .) ;
214 *(.keymap.fn_actions) /* 32*actions = 64bytes */
215 . = ALIGN(0x40);
216 *(.keymap.keymaps) /* rest of .keymap section */
217 *(.keymap*)
218 /* . = ALIGN(0x800); */ /* keymap section takes 2KB- */
219 } > keymap = 0x00 /* zero fill */
220 .eeprom :
221 {
222 *(.eeprom*)
223 __eeprom_end = . ;
224 } > eeprom
225 .fuse :
226 {
227 KEEP(*(.fuse))
228 KEEP(*(.lfuse))
229 KEEP(*(.hfuse))
230 KEEP(*(.efuse))
231 } > fuse
232 .lock :
233 {
234 KEEP(*(.lock*))
235 } > lock
236 .signature :
237 {
238 KEEP(*(.signature*))
239 } > signature
240 /* Stabs debugging sections. */
241 .stab 0 : { *(.stab) }
242 .stabstr 0 : { *(.stabstr) }
243 .stab.excl 0 : { *(.stab.excl) }
244 .stab.exclstr 0 : { *(.stab.exclstr) }
245 .stab.index 0 : { *(.stab.index) }
246 .stab.indexstr 0 : { *(.stab.indexstr) }
247 .comment 0 : { *(.comment) }
248 /* DWARF debug sections.
249 Symbols in the DWARF debugging sections are relative to the beginning
250 of the section so we begin them at 0. */
251 /* DWARF 1 */
252 .debug 0 : { *(.debug) }
253 .line 0 : { *(.line) }
254 /* GNU DWARF 1 extensions */
255 .debug_srcinfo 0 : { *(.debug_srcinfo) }
256 .debug_sfnames 0 : { *(.debug_sfnames) }
257 /* DWARF 1.1 and DWARF 2 */
258 .debug_aranges 0 : { *(.debug_aranges) }
259 .debug_pubnames 0 : { *(.debug_pubnames) }
260 /* DWARF 2 */
261 .debug_info 0 : { *(.debug_info) *(.gnu.linkonce.wi.*) }
262 .debug_abbrev 0 : { *(.debug_abbrev) }
263 .debug_line 0 : { *(.debug_line) }
264 .debug_frame 0 : { *(.debug_frame) }
265 .debug_str 0 : { *(.debug_str) }
266 .debug_loc 0 : { *(.debug_loc) }
267 .debug_macinfo 0 : { *(.debug_macinfo) }
268 }
Imprint / Impressum