1 | /*------------------------------------*/ |
---|
2 | /* rom.ld */ |
---|
3 | /* Last change : 19. 4.95 */ |
---|
4 | /*------------------------------------* |
---|
5 | * To build ROM based i960 image. |
---|
6 | *------------------------------------*/ |
---|
7 | |
---|
8 | /* |
---|
9 | * $Id$ |
---|
10 | */ |
---|
11 | |
---|
12 | |
---|
13 | MEMORY |
---|
14 | { |
---|
15 | config : org = 0xFEFFFF30, len = 0xd0 |
---|
16 | eprom : org = 0xFEC00000, len = 1024K |
---|
17 | } |
---|
18 | |
---|
19 | |
---|
20 | _bootAddr = 0xa0200000; |
---|
21 | /*_HEAP = 0xA0100000 ; */ |
---|
22 | _rom_ibr_cksum = -(_romStart + _rom_prcb); |
---|
23 | |
---|
24 | SECTIONS |
---|
25 | { |
---|
26 | prcb : |
---|
27 | { |
---|
28 | *(.prcb); /* INPUT(rom_ibr.o) */ |
---|
29 | } > config |
---|
30 | |
---|
31 | /* Only monitor start point and fault handler |
---|
32 | * will live in ROM as far as text is concerned. |
---|
33 | * Only fault table will live in ROM as far as data |
---|
34 | * is concerned. |
---|
35 | */ |
---|
36 | romCode : |
---|
37 | { |
---|
38 | /* Make sure that the monitor start point |
---|
39 | * is the first location in EPROM. |
---|
40 | */ |
---|
41 | rxgen_romld.o(.text) |
---|
42 | /* Procedures to copy code and |
---|
43 | * initialize bss in RAM. |
---|
44 | */ |
---|
45 | sctns.o(.text) |
---|
46 | /* Make Sure Fault Table (and its handler's data) |
---|
47 | * live here so that they wouldn't get destroyed). |
---|
48 | */ |
---|
49 | asmfault.o |
---|
50 | ihandler.o |
---|
51 | . = ALIGN(16); |
---|
52 | flttbl.o |
---|
53 | /* 16 byte aligned PRCB. |
---|
54 | */ |
---|
55 | . = ALIGN(16); |
---|
56 | rom_prcb.o(.data) |
---|
57 | . = ALIGN(16); |
---|
58 | rom_cntrltbl.o(.data) |
---|
59 | . = ALIGN(16); |
---|
60 | intrtbl.o(.data) |
---|
61 | . = ALIGN(16); |
---|
62 | nulsystbl.o(.data) |
---|
63 | . = ALIGN(16); |
---|
64 | /* I need this symbol to know where code which is |
---|
65 | * to be copied reside in ROM. Align it on a 16 |
---|
66 | * boundary. |
---|
67 | */ |
---|
68 | . = ALIGN(16); |
---|
69 | _codeRomStart = .; |
---|
70 | } > eprom |
---|
71 | |
---|
72 | /* All the rest of the code will live in RAM. |
---|
73 | * Relocation are created as though code resides |
---|
74 | * in RAM, while code is placed right after romCode. |
---|
75 | * This is responsiblity of the ROM monitor to |
---|
76 | * copy code into ROM. |
---|
77 | */ |
---|
78 | ramCode : AT(ADDR(romCode) + SIZEOF(romCode)) |
---|
79 | { |
---|
80 | /* RAM-based code section start. |
---|
81 | * I need this symbol to know where to copy code |
---|
82 | * at initialization time . |
---|
83 | */ |
---|
84 | _codeRamStart = .; |
---|
85 | /* RAM based fault recovery stuff. |
---|
86 | */ |
---|
87 | _faultStart = .; |
---|
88 | asmstub.o |
---|
89 | fault.o |
---|
90 | _faultEnd = .; |
---|
91 | /* Check sum to gurantee that |
---|
92 | * the above section wasn't broken. |
---|
93 | */ |
---|
94 | . = ALIGN(16); |
---|
95 | _faultCheckSum = .; |
---|
96 | . += 4; |
---|
97 | /* Fault Buffer to keep the state of |
---|
98 | * the fauled procedure. |
---|
99 | */ |
---|
100 | _faultBuffer = .; |
---|
101 | . += 256; |
---|
102 | /* All the rest of the text goes here. |
---|
103 | */ |
---|
104 | . = ALIGN(16); |
---|
105 | *(.text) |
---|
106 | /* NEW TEST TEST TEST TEST */ |
---|
107 | . = ALIGN (16); |
---|
108 | |
---|
109 | /* |
---|
110 | * Special FreeBSD sysctl sections. |
---|
111 | */ |
---|
112 | . = ALIGN (16); |
---|
113 | __start_set_sysctl_set = .; |
---|
114 | *(set_sysctl_*); |
---|
115 | __stop_set_sysctl_set = ABSOLUTE(.); |
---|
116 | *(set_domain_*); |
---|
117 | *(set_pseudo_*); |
---|
118 | |
---|
119 | *(.eh_fram) |
---|
120 | . = ALIGN (16); |
---|
121 | |
---|
122 | /* |
---|
123 | * C++ constructors |
---|
124 | */ |
---|
125 | __CTOR_LIST__ = .; |
---|
126 | LONG((__CTOR_END__ - __CTOR_LIST__) / 4 - 2) |
---|
127 | *(.ctors) |
---|
128 | LONG(0) |
---|
129 | __CTOR_END__ = .; |
---|
130 | __DTOR_LIST__ = .; |
---|
131 | LONG((__DTOR_END__ - __DTOR_LIST__) / 4 - 2) |
---|
132 | *(.dtors) |
---|
133 | LONG(0) |
---|
134 | __DTOR_END__ = .; |
---|
135 | _rodata_start = . ; |
---|
136 | *(.rodata*) |
---|
137 | *(.gnu.linkonce.r*) |
---|
138 | _erodata = ALIGN( 0x10 ) ; |
---|
139 | etext = ALIGN( 0x10 ) ; |
---|
140 | /* END NEW TEST TEST TEST */ |
---|
141 | /* 16 byte aligned PRCB. |
---|
142 | */ |
---|
143 | . = ALIGN(16); |
---|
144 | prcb.o(.data) |
---|
145 | /* 16 byte aligned Control Table. |
---|
146 | */ |
---|
147 | . = ALIGN(16); |
---|
148 | cntrltbl.o(.data) |
---|
149 | . = ALIGN(16); |
---|
150 | systbl.o(.data) |
---|
151 | /* All the rest of program defined data goes here. |
---|
152 | */ |
---|
153 | *(.data) |
---|
154 | /* RAM-based code section end. |
---|
155 | * I need this symbol to know where to copy code |
---|
156 | * at initialization time . |
---|
157 | */ |
---|
158 | _codeRamEnd = .; |
---|
159 | } > eprom |
---|
160 | |
---|
161 | /* RAM based uninitialized data. |
---|
162 | */ |
---|
163 | bss (NOLOAD) : |
---|
164 | { |
---|
165 | /* BSS section start. I need this symbol to |
---|
166 | * zero BSS on initialization. |
---|
167 | */ |
---|
168 | /* Heap. Aligned on a 64 boundary */ |
---|
169 | /* . = ALIGN(64); |
---|
170 | _heap_initial = .; |
---|
171 | . += 64K;*/ |
---|
172 | /* Supervisor Stack. Aligned on a 16 boundary. |
---|
173 | */ |
---|
174 | . = ALIGN(16); |
---|
175 | _svrStackPtr = .; |
---|
176 | . += 16K; |
---|
177 | /* Interrupt Stack. Aligned on a 16 boundary. |
---|
178 | */ |
---|
179 | . = ALIGN(16); |
---|
180 | _intStackPtr = .; |
---|
181 | . += 16K; |
---|
182 | /* Program defined BSS. |
---|
183 | */ |
---|
184 | _bssStart = .; |
---|
185 | _bss_start = .; |
---|
186 | *(.bss) |
---|
187 | /* Program defined COMMON. |
---|
188 | */ |
---|
189 | *(COMMON) |
---|
190 | _end = .; |
---|
191 | /* BSS section end. I need this symbol to |
---|
192 | * zero BSS on initialization. |
---|
193 | */ |
---|
194 | _bssEnd = .; |
---|
195 | _bssStart_1 = .; |
---|
196 | _bssEnd_1 = .; |
---|
197 | } > eprom |
---|
198 | |
---|
199 | } |
---|
200 | |
---|
201 | /*-------------*/ |
---|
202 | /* End of file */ |
---|
203 | /*-------------*/ |
---|