diff options
Diffstat (limited to 'c/src/lib/libbsp/m68k/efi332/start')
-rw-r--r-- | c/src/lib/libbsp/m68k/efi332/start/Makefile.am | 38 | ||||
-rw-r--r-- | c/src/lib/libbsp/m68k/efi332/start/except_vect_332_ROM.S | 290 | ||||
-rw-r--r-- | c/src/lib/libbsp/m68k/efi332/start/ram_init.ld | 22 | ||||
-rw-r--r-- | c/src/lib/libbsp/m68k/efi332/start/ram_init.sed | 47 | ||||
-rw-r--r-- | c/src/lib/libbsp/m68k/efi332/start/start.c | 4 |
5 files changed, 397 insertions, 4 deletions
diff --git a/c/src/lib/libbsp/m68k/efi332/start/Makefile.am b/c/src/lib/libbsp/m68k/efi332/start/Makefile.am index e827e0d79e..a310b4f1f2 100644 --- a/c/src/lib/libbsp/m68k/efi332/start/Makefile.am +++ b/c/src/lib/libbsp/m68k/efi332/start/Makefile.am @@ -22,12 +22,46 @@ include $(top_srcdir)/../../../../../../automake/lib.am $(PROJECT_RELEASE)/lib/start$(LIB_VARIANT).o: $(PGM) $(INSTALL_DATA) $< $@ -TMPINSTALL_FILES += $(PROJECT_RELEASE)/lib/start$(LIB_VARIANT).o +$(PROJECT_RELEASE)/lib/except_vect_332_ROM$(LIB_VARIANT).o: \ + $(ARCH)/except_vect_332_ROM.o + $(INSTALL_DATA) $< $@ + +$(PROJECT_RELEASE)/lib/ram_init$(LIB_VARIANT): \ + $(ARCH)/ram_init + $(INSTALL_DATA) $< $@ + +$(PROJECT_RELEASE)/lib/ram_init_FW$(LIB_VARIANT): \ + $(ARCH)/ram_init_FW + $(INSTALL_DATA) $< $@ + +$(ARCH)/ram_init: $(srcdir)/start.c $(srcdir)/ram_init.ld \ + $(srcdir)/ram_init.sed + sed -f $(srcdir)/ram_init.sed $(srcdir)/start.c >$(ARCH)/ram_init.S + $(CC) -D SIM_CRB=0x0000 -E $(ARCH)/ram_init.S >$(ARCH)/ram_init1.S + sed "/.org/ {N; s/\n/%/; P;}; /\.text/P; D;" $(ARCH)/ram_init1.S | \ + sort | sed "h;1{s/.*/.data/;P;g;};s/%.*//;P;g;s/.*%//;" \ + >$(ARCH)/ram_init2.S + $(CC) -nostdlib -Wl,-T$(srcdir)/ram_init.ld $(ARCH)/ram_init2.S \ + -o $(ARCH)/ram_init + +$(ARCH)/ram_init_FW: $(srcdir)/ram_init.ld $(ARCH)/ram_init.S + $(CC) -D FLASHWRITE -D SIM_CRB=0x0000 -E $(ARCH)/ram_init.S \ + >$(ARCH)/ram_init_FW1.S + sed "/.org/ {N; s/\n/%/; P;}; /\.text/P; D;" $(ARCH)/ram_init_FW1.S | \ + sort | sed "h;1{s/.*/.data/;P;g;};s/%.*//;P;g;s/.*%//;" \ + >$(ARCH)/ram_init_FW2.S + $(CC) -nostdlib -Wl,-T$(srcdir)/ram_init.ld $(ARCH)/ram_init_FW2.S \ + -o $(ARCH)/ram_init_FW + +TMPINSTALL_FILES += $(PROJECT_RELEASE)/lib/start$(LIB_VARIANT).o \ + $(PROJECT_RELEASE)/lib/ram_init$(LIB_VARIANT) \ + $(PROJECT_RELEASE)/lib/ram_init_FW$(LIB_VARIANT) \ + $(PROJECT_RELEASE)/lib/except_vect_332_ROM$(LIB_VARIANT).o all-local: $(ARCH) $(OBJS) $(PGM) $(TMPINSTALL_FILES) .PRECIOUS: $(PGM) -EXTRA_DIST = start.c +EXTRA_DIST = start.c except_vect_332_ROM.S ram_init.ld ram_init.sed include $(top_srcdir)/../../../../../../automake/local.am diff --git a/c/src/lib/libbsp/m68k/efi332/start/except_vect_332_ROM.S b/c/src/lib/libbsp/m68k/efi332/start/except_vect_332_ROM.S new file mode 100644 index 0000000000..9eb2f20556 --- /dev/null +++ b/c/src/lib/libbsp/m68k/efi332/start/except_vect_332_ROM.S @@ -0,0 +1,290 @@ +/* + * $Id$ + */ + +/* Exception Vector definitions follow */ + + /* !!! Warning !!! This table is not tested, and + the user must make sure it is complete. */ + + /* If we use TRAP #15 for reboot, note that group 0 and 1 exceptions + will have priority. */ + + /* Vector 0: RESET: Initial SSP */ + .long _RamEnd + /* Vector 1: RESET: Initial PC */ + .long start + + /* default action for undefined vectors is to re-boot */ + + /* Note group 0 and 1 exception (like trace) have priority + over other exceptions (like trap #15) that may call this. */ + + /* Vectors 2-255 */ + .long reboot /* exception vector: 2 */ + .long reboot /* exception vector: 3 */ + .long reboot /* exception vector: 4 */ + .long reboot /* exception vector: 5 */ + .long reboot /* exception vector: 6 */ + .long reboot /* exception vector: 7 */ + .long reboot /* exception vector: 8 */ + .long reboot /* exception vector: 9 */ + .long reboot /* exception vector: 10 */ + .long reboot /* exception vector: 11 */ + .long reboot /* exception vector: 12 */ + .long reboot /* exception vector: 13 */ + .long reboot /* exception vector: 14 */ + .long reboot /* exception vector: 15 */ + .long reboot /* exception vector: 16 */ + .long reboot /* exception vector: 17 */ + .long reboot /* exception vector: 18 */ + .long reboot /* exception vector: 19 */ + .long reboot /* exception vector: 20 */ + .long reboot /* exception vector: 21 */ + .long reboot /* exception vector: 22 */ + .long reboot /* exception vector: 23 */ + .long reboot /* exception vector: 24 */ + .long reboot /* exception vector: 25 */ + .long reboot /* exception vector: 26 */ + .long reboot /* exception vector: 27 */ + .long reboot /* exception vector: 28 */ + .long reboot /* exception vector: 29 */ + .long reboot /* exception vector: 30 */ + .long reboot /* exception vector: 31 */ + .long reboot /* exception vector: 32 */ + .long reboot /* exception vector: 33 */ + .long reboot /* exception vector: 34 */ + .long reboot /* exception vector: 35 */ + .long reboot /* exception vector: 36 */ + .long reboot /* exception vector: 37 */ + .long reboot /* exception vector: 38 */ + .long reboot /* exception vector: 39 */ + .long reboot /* exception vector: 40 */ + .long reboot /* exception vector: 41 */ + .long reboot /* exception vector: 42 */ + .long reboot /* exception vector: 43 */ + .long reboot /* exception vector: 44 */ + .long reboot /* exception vector: 45 */ + .long reboot /* exception vector: 46 */ + .long _reboot /* the reboot trap: 47 */ + .long reboot /* exception vector: 48 */ + .long reboot /* exception vector: 49 */ + .long reboot /* exception vector: 50 */ + .long reboot /* exception vector: 51 */ + .long reboot /* exception vector: 52 */ + .long reboot /* exception vector: 53 */ + .long reboot /* exception vector: 54 */ + .long reboot /* exception vector: 55 */ + .long reboot /* exception vector: 56 */ + .long reboot /* exception vector: 57 */ + .long reboot /* exception vector: 58 */ + .long reboot /* exception vector: 59 */ + .long reboot /* exception vector: 60 */ + .long reboot /* exception vector: 61 */ + .long reboot /* exception vector: 62 */ + .long reboot /* exception vector: 63 */ + .long reboot /* exception vector: 64 */ + .long reboot /* exception vector: 65 */ + .long reboot /* exception vector: 66 */ + .long reboot /* exception vector: 67 */ + .long reboot /* exception vector: 68 */ + .long reboot /* exception vector: 69 */ + .long reboot /* exception vector: 70 */ + .long reboot /* exception vector: 71 */ + .long reboot /* exception vector: 72 */ + .long reboot /* exception vector: 73 */ + .long reboot /* exception vector: 74 */ + .long reboot /* exception vector: 75 */ + .long reboot /* exception vector: 76 */ + .long reboot /* exception vector: 77 */ + .long reboot /* exception vector: 78 */ + .long reboot /* exception vector: 79 */ + .long reboot /* exception vector: 80 */ + .long reboot /* exception vector: 81 */ + .long reboot /* exception vector: 82 */ + .long reboot /* exception vector: 83 */ + .long reboot /* exception vector: 84 */ + .long reboot /* exception vector: 85 */ + .long reboot /* exception vector: 86 */ + .long reboot /* exception vector: 87 */ + .long reboot /* exception vector: 88 */ + .long reboot /* exception vector: 89 */ + .long reboot /* exception vector: 90 */ + .long reboot /* exception vector: 91 */ + .long reboot /* exception vector: 92 */ + .long reboot /* exception vector: 93 */ + .long reboot /* exception vector: 94 */ + .long reboot /* exception vector: 95 */ + .long reboot /* exception vector: 96 */ + .long reboot /* exception vector: 97 */ + .long reboot /* exception vector: 98 */ + .long reboot /* exception vector: 99 */ + .long reboot /* exception vector: 100 */ + .long reboot /* exception vector: 101 */ + .long reboot /* exception vector: 102 */ + .long reboot /* exception vector: 103 */ + .long reboot /* exception vector: 104 */ + .long reboot /* exception vector: 105 */ + .long reboot /* exception vector: 106 */ + .long reboot /* exception vector: 107 */ + .long reboot /* exception vector: 108 */ + .long reboot /* exception vector: 109 */ + .long reboot /* exception vector: 110 */ + .long reboot /* exception vector: 111 */ + .long reboot /* exception vector: 112 */ + .long reboot /* exception vector: 113 */ + .long reboot /* exception vector: 114 */ + .long reboot /* exception vector: 115 */ + .long reboot /* exception vector: 116 */ + .long reboot /* exception vector: 117 */ + .long reboot /* exception vector: 118 */ + .long reboot /* exception vector: 119 */ + .long reboot /* exception vector: 120 */ + .long reboot /* exception vector: 121 */ + .long reboot /* exception vector: 122 */ + .long reboot /* exception vector: 123 */ + .long reboot /* exception vector: 124 */ + .long reboot /* exception vector: 125 */ + .long reboot /* exception vector: 126 */ + .long reboot /* exception vector: 127 */ + .long reboot /* exception vector: 128 */ + .long reboot /* exception vector: 129 */ + .long reboot /* exception vector: 130 */ + .long reboot /* exception vector: 131 */ + .long reboot /* exception vector: 132 */ + .long reboot /* exception vector: 133 */ + .long reboot /* exception vector: 134 */ + .long reboot /* exception vector: 135 */ + .long reboot /* exception vector: 136 */ + .long reboot /* exception vector: 137 */ + .long reboot /* exception vector: 138 */ + .long reboot /* exception vector: 139 */ + .long reboot /* exception vector: 140 */ + .long reboot /* exception vector: 141 */ + .long reboot /* exception vector: 142 */ + .long reboot /* exception vector: 143 */ + .long reboot /* exception vector: 144 */ + .long reboot /* exception vector: 145 */ + .long reboot /* exception vector: 146 */ + .long reboot /* exception vector: 147 */ + .long reboot /* exception vector: 148 */ + .long reboot /* exception vector: 149 */ + .long reboot /* exception vector: 150 */ + .long reboot /* exception vector: 151 */ + .long reboot /* exception vector: 152 */ + .long reboot /* exception vector: 153 */ + .long reboot /* exception vector: 154 */ + .long reboot /* exception vector: 155 */ + .long reboot /* exception vector: 156 */ + .long reboot /* exception vector: 157 */ + .long reboot /* exception vector: 158 */ + .long reboot /* exception vector: 159 */ + .long reboot /* exception vector: 160 */ + .long reboot /* exception vector: 161 */ + .long reboot /* exception vector: 162 */ + .long reboot /* exception vector: 163 */ + .long reboot /* exception vector: 164 */ + .long reboot /* exception vector: 165 */ + .long reboot /* exception vector: 166 */ + .long reboot /* exception vector: 167 */ + .long reboot /* exception vector: 168 */ + .long reboot /* exception vector: 169 */ + .long reboot /* exception vector: 170 */ + .long reboot /* exception vector: 171 */ + .long reboot /* exception vector: 172 */ + .long reboot /* exception vector: 173 */ + .long reboot /* exception vector: 174 */ + .long reboot /* exception vector: 175 */ + .long reboot /* exception vector: 176 */ + .long reboot /* exception vector: 177 */ + .long reboot /* exception vector: 178 */ + .long reboot /* exception vector: 179 */ + .long reboot /* exception vector: 180 */ + .long reboot /* exception vector: 181 */ + .long reboot /* exception vector: 182 */ + .long reboot /* exception vector: 183 */ + .long reboot /* exception vector: 184 */ + .long reboot /* exception vector: 185 */ + .long reboot /* exception vector: 186 */ + .long reboot /* exception vector: 187 */ + .long reboot /* exception vector: 188 */ + .long reboot /* exception vector: 189 */ + .long reboot /* exception vector: 190 */ + .long reboot /* exception vector: 191 */ + .long reboot /* exception vector: 192 */ + .long reboot /* exception vector: 193 */ + .long reboot /* exception vector: 194 */ + .long reboot /* exception vector: 195 */ + .long reboot /* exception vector: 196 */ + .long reboot /* exception vector: 197 */ + .long reboot /* exception vector: 198 */ + .long reboot /* exception vector: 199 */ + .long reboot /* exception vector: 200 */ + .long reboot /* exception vector: 201 */ + .long reboot /* exception vector: 202 */ + .long reboot /* exception vector: 203 */ + .long reboot /* exception vector: 204 */ + .long reboot /* exception vector: 205 */ + .long reboot /* exception vector: 206 */ + .long reboot /* exception vector: 207 */ + .long reboot /* exception vector: 208 */ + .long reboot /* exception vector: 209 */ + .long reboot /* exception vector: 210 */ + .long reboot /* exception vector: 211 */ + .long reboot /* exception vector: 212 */ + .long reboot /* exception vector: 213 */ + .long reboot /* exception vector: 214 */ + .long reboot /* exception vector: 215 */ + .long reboot /* exception vector: 216 */ + .long reboot /* exception vector: 217 */ + .long reboot /* exception vector: 218 */ + .long reboot /* exception vector: 219 */ + .long reboot /* exception vector: 220 */ + .long reboot /* exception vector: 221 */ + .long reboot /* exception vector: 222 */ + .long reboot /* exception vector: 223 */ + .long reboot /* exception vector: 224 */ + .long reboot /* exception vector: 225 */ + .long reboot /* exception vector: 226 */ + .long reboot /* exception vector: 227 */ + .long reboot /* exception vector: 228 */ + .long reboot /* exception vector: 229 */ + .long reboot /* exception vector: 230 */ + .long reboot /* exception vector: 231 */ + .long reboot /* exception vector: 232 */ + .long reboot /* exception vector: 233 */ + .long reboot /* exception vector: 234 */ + .long reboot /* exception vector: 235 */ + .long reboot /* exception vector: 236 */ + .long reboot /* exception vector: 237 */ + .long reboot /* exception vector: 238 */ + .long reboot /* exception vector: 239 */ + .long reboot /* exception vector: 240 */ + .long reboot /* exception vector: 241 */ + .long reboot /* exception vector: 242 */ + .long reboot /* exception vector: 243 */ + .long reboot /* exception vector: 244 */ + .long reboot /* exception vector: 245 */ + .long reboot /* exception vector: 246 */ + .long reboot /* exception vector: 247 */ + .long reboot /* exception vector: 248 */ + .long reboot /* exception vector: 249 */ + .long reboot /* exception vector: 250 */ + .long reboot /* exception vector: 251 */ + .long reboot /* exception vector: 252 */ + .long reboot /* exception vector: 253 */ + .long reboot /* exception vector: 254 */ + .long reboot /* exception vector: 255 */ + + +_reboot: + move #0x2700,%sr /* mask interrupts */ + movea.l (0x0).w,%a7 /* load stack */ + movea.l (0x4).w,%a0 /* jmp to location of reset vector */ + jmp (%a0) + +reboot: + trap #15 /* use trap exception to enter supervisor + state. Trace mode ( and other group 0 + and 1 exceptions) *could* screw this up if + not vectored to reboot or did not return. */ diff --git a/c/src/lib/libbsp/m68k/efi332/start/ram_init.ld b/c/src/lib/libbsp/m68k/efi332/start/ram_init.ld new file mode 100644 index 0000000000..d469431027 --- /dev/null +++ b/c/src/lib/libbsp/m68k/efi332/start/ram_init.ld @@ -0,0 +1,22 @@ +OUTPUT_ARCH(m68k) +__DYNAMIC = 0; + +start = 0; + +MEMORY +{ + ram : ORIGIN = 0xfffa00, LENGTH = 256K +} + +SECTIONS +{ + .text : { + *(.text) + } >ram + .data : { + *(.data) + } >ram + .bss : { + *(.bss) + } >ram +} diff --git a/c/src/lib/libbsp/m68k/efi332/start/ram_init.sed b/c/src/lib/libbsp/m68k/efi332/start/ram_init.sed new file mode 100644 index 0000000000..ae664ca32d --- /dev/null +++ b/c/src/lib/libbsp/m68k/efi332/start/ram_init.sed @@ -0,0 +1,47 @@ +1 { +i\ +#include <efi332.h>\ +#define ASM\ +#include "sim.h"\ +\ +/* This file is automatically generated from EFI332_crt0.c -- DO NOT EDIT */\ +\ +/* note: For one reason or another, I could not get '|' (bit-or) to\ + work in the version of gas I'm using. I've replaced them with \ + '+' (addition) for this file. */\ +\ + .text\ +\ + +D; +}; +/include in ram_init.S/,/end include in ram_init.S/ { +/\*.*= *\(.*\)/ { +s/*/ .org / +h; +s/=.*// +P; +g; +/(.*short int)/ s/.*short int)/ .short / +/(.*char)/ s/.*char)/ .byte / +s/\/\*.*\*\/// +t dumby +:dumby +s/;//; +t next +N; +s/ *\/\*.*\*\/ *// +t dumby +b dumby +:next +s/ / /g +s/ / / +s/ *\n *//g +s/|/+/g +P; +D; +} +P; +D; +} +D; diff --git a/c/src/lib/libbsp/m68k/efi332/start/start.c b/c/src/lib/libbsp/m68k/efi332/start/start.c index 5394fb279c..03e98b8195 100644 --- a/c/src/lib/libbsp/m68k/efi332/start/start.c +++ b/c/src/lib/libbsp/m68k/efi332/start/start.c @@ -112,7 +112,7 @@ void dumby_start() { /* see section 7 of the SIM Reference Manual */ #ifdef FLASHWRITE *CSORBT = (unsigned short int) - ( BothBytes | ReadWrite | SyncAS | WaitStates_0 | UserSupSpace ); + ( BothBytes | ReadWrite | SyncAS | WaitStates_2 | UserSupSpace ); #else /* FLASHWRITE */ *CSORBT = (unsigned short int) ( BothBytes | ReadOnly | SyncAS | WaitStates_0 | UserSupSpace ); @@ -185,7 +185,7 @@ void dumby_start() { /* Port E and F Pin Assignment Register */ /* see section 9 of the SIM Reference Manual */ - *PEPAR = (unsigned char) 0; + *PEPAR = (unsigned char) 0xc3; /* siz1|siz0|dsack1|dsack0 */ *PFPAR = (unsigned char) 0; /* end of SIM initalization code */ |