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authorSebastian Huber <sebastian.huber@embedded-brains.de>2018-04-20 10:19:28 +0200
committerSebastian Huber <sebastian.huber@embedded-brains.de>2018-04-20 13:08:36 +0200
commitfbcd7c8fa65eb695e96a62ea1c1ac7a024fa9dfc (patch)
treea17e285cf22cd49cd42e8b3ad562febc3987d566 /c/src/lib/libbsp/m68k/mcf52235
parentbsps: Move console drivers to bsps (diff)
downloadrtems-fbcd7c8fa65eb695e96a62ea1c1ac7a024fa9dfc.tar.bz2
bsps: Move start files to bsps
This patch is a part of the BSP source reorganization. Update #3285.
Diffstat (limited to 'c/src/lib/libbsp/m68k/mcf52235')
-rw-r--r--c/src/lib/libbsp/m68k/mcf52235/Makefile.am2
-rw-r--r--c/src/lib/libbsp/m68k/mcf52235/start/start.S449
2 files changed, 1 insertions, 450 deletions
diff --git a/c/src/lib/libbsp/m68k/mcf52235/Makefile.am b/c/src/lib/libbsp/m68k/mcf52235/Makefile.am
index c9138f2d66..49e66b59ca 100644
--- a/c/src/lib/libbsp/m68k/mcf52235/Makefile.am
+++ b/c/src/lib/libbsp/m68k/mcf52235/Makefile.am
@@ -8,7 +8,7 @@ dist_project_lib_DATA = startup/bsp_specs
noinst_PROGRAMS =
-start.$(OBJEXT): start/start.S
+start.$(OBJEXT): ../../../../../../bsps/m68k/mcf52235/start/start.S
$(CPPASCOMPILE) -o $@ -c $<
project_lib_DATA = start.$(OBJEXT)
diff --git a/c/src/lib/libbsp/m68k/mcf52235/start/start.S b/c/src/lib/libbsp/m68k/mcf52235/start/start.S
deleted file mode 100644
index e1d837cab5..0000000000
--- a/c/src/lib/libbsp/m68k/mcf52235/start/start.S
+++ /dev/null
@@ -1,449 +0,0 @@
-/*
- * mcf52235 startup code
- *
- * This file contains the entry point for the application.
- * The name of this entry point is compiler dependent.
- * It jumps to the BSP which is responsible for performing
- * all initialization.
- *
- * COPYRIGHT (c) 1989-1998.
- * On-Line Applications Research Corporation (OAR).
- *
- * The license and distribution terms for this file may be
- * found in the file LICENSE in this distribution or at
- * http://www.rtems.org/license/LICENSE.
- */
-
-#include <rtems/asm.h>
-
-.extern _StackInit
-
-BEGIN_CODE
-
- PUBLIC (_INTERRUPT_VECTOR)
-SYM(_INTERRUPT_VECTOR):
-
- .long _StackInit /* 00 Initial 'SSP' */
- .long SYM(start) /* 01 Initial PC */
- .long SYM(_uhoh) /* 02 Access Error */
- .long SYM(_uhoh) /* 03 Address Error */
- .long SYM(_uhoh) /* 04 Illegal Instruction */
- .long SYM(_uhoh) /* 05 Divide by Zero */
- .long SYM(_uhoh) /* 06 Reserved */
- .long SYM(_uhoh) /* 07 Reserved */
- .long SYM(_uhoh) /* 08 Privilege Violation */
- .long SYM(_uhoh) /* 09 Trace */
- .long SYM(_uhoh) /* 10 Unimplemented A-Line */
- .long SYM(_uhoh) /* 11 Unimplemented F-Line */
- .long SYM(_uhoh) /* 12 Debug Interrupt */
- .long SYM(_uhoh) /* 13 Reserved */
- .long SYM(_uhoh) /* 14 Format Error */
- .long SYM(_uhoh) /* 15 Reserved */
- .long SYM(_uhoh) /* 16 Reserved */
- .long SYM(_uhoh) /* 17 Reserved */
- .long SYM(_uhoh) /* 18 Reserved */
- .long SYM(_uhoh) /* 19 Reserved */
- .long SYM(_uhoh) /* 20 Reserved */
- .long SYM(_uhoh) /* 21 Reserved */
- .long SYM(_uhoh) /* 22 Reserved */
- .long SYM(_uhoh) /* 23 Reserved */
- .long SYM(_spuriousInterrupt) /* 24 Spurious Interrupt */
- .long SYM(_uhoh) /* 25 Reserved */
- .long SYM(_uhoh) /* 26 Reserved */
- .long SYM(_uhoh) /* 27 Reserved */
- .long SYM(_uhoh) /* 28 Reserved */
- .long SYM(_uhoh) /* 29 Reserved */
- .long SYM(_uhoh) /* 30 Reserved */
- .long SYM(_uhoh) /* 31 Reserved */
- .long SYM(_uhoh) /* 32 TRAP #0 */
- .long SYM(_uhoh) /* 33 TRAP #1 */
- .long SYM(_uhoh) /* 34 TRAP #2 */
- .long SYM(_uhoh) /* 35 TRAP #3 */
- .long SYM(_uhoh) /* 36 TRAP #4 */
- .long SYM(_uhoh) /* 37 TRAP #5 */
- .long SYM(_uhoh) /* 38 TRAP #6 */
- .long SYM(_uhoh) /* 39 TRAP #7 */
- .long SYM(_uhoh) /* 40 TRAP #8 */
- .long SYM(_uhoh) /* 41 TRAP #9 */
- .long SYM(_uhoh) /* 42 TRAP #10 */
- .long SYM(_uhoh) /* 43 TRAP #11 */
- .long SYM(_uhoh) /* 44 TRAP #12 */
- .long SYM(_uhoh) /* 45 TRAP #13 */
- .long SYM(_uhoh) /* 46 TRAP #14 */
- .long SYM(_uhoh) /* 47 TRAP #15 */
- .long SYM(_uhoh) /* 48 Reserved */
- .long SYM(_uhoh) /* 49 Reserved */
- .long SYM(_uhoh) /* 50 Reserved */
- .long SYM(_uhoh) /* 51 Reserved */
- .long SYM(_uhoh) /* 52 Reserved */
- .long SYM(_uhoh) /* 53 Reserved */
- .long SYM(_uhoh) /* 54 Reserved */
- .long SYM(_uhoh) /* 55 Reserved */
- .long SYM(_uhoh) /* 56 Reserved */
- .long SYM(_uhoh) /* 57 Reserved */
- .long SYM(_uhoh) /* 58 Reserved */
- .long SYM(_uhoh) /* 59 Reserved */
- .long SYM(_uhoh) /* 60 Reserved */
- .long SYM(_uhoh) /* 61 Reserved */
- .long SYM(_uhoh) /* 62 Reserved */
- .long SYM(_uhoh) /* 63 Reserved */
-
- /* INTC0 */
-
- .long SYM(_uhoh) /* 64*/
- .long SYM(_uhoh) /* 65*/
- .long SYM(_uhoh) /* 66*/
- .long SYM(_uhoh) /* 67*/
- .long SYM(_uhoh) /* 68*/
- .long SYM(_uhoh) /* 69*/
- .long SYM(_uhoh) /* 70*/
- .long SYM(_uhoh) /* 71*/
- .long SYM(_uhoh) /* 72*/
- .long SYM(_uhoh) /* 73*/
- .long SYM(_uhoh) /* 74*/
- .long SYM(_uhoh) /* 75*/
- .long SYM(_uhoh) /* 76*/
- .long SYM(_uhoh) /* 77*/
- .long SYM(_uhoh) /* 78*/
- .long SYM(_uhoh) /* 79*/
- .long SYM(_uhoh) /* 80*/
- .long SYM(_uhoh) /* 81*/
- .long SYM(_uhoh) /* 82*/
- .long SYM(_uhoh) /* 83*/
- .long SYM(_uhoh) /* 84*/
- .long SYM(_uhoh) /* 85*/
- .long SYM(_uhoh) /* 86*/
- .long SYM(_uhoh) /* 87*/
- .long SYM(_uhoh) /* 88*/
- .long SYM(_uhoh) /* 89*/
- .long SYM(_uhoh) /* 90*/
- .long SYM(_uhoh) /* 91*/
- .long SYM(_uhoh) /* 92*/
- .long SYM(_uhoh) /* 93*/
- .long SYM(_uhoh) /* 94*/
- .long SYM(_uhoh) /* 95*/
- .long SYM(_uhoh) /* 96*/
- .long SYM(_uhoh) /* 97*/
- .long SYM(_uhoh) /* 98*/
- .long SYM(_uhoh) /* 99*/
- .long SYM(_uhoh) /* 100*/
- .long SYM(_uhoh) /* 101*/
- .long SYM(_uhoh) /* 102*/
- .long SYM(_uhoh) /* 103*/
- .long SYM(_uhoh) /* 104*/
- .long SYM(_uhoh) /* 105*/
- .long SYM(_uhoh) /* 106*/
- .long SYM(_uhoh) /* 107*/
- .long SYM(_uhoh) /* 108*/
- .long SYM(_uhoh) /* 109*/
- .long SYM(_uhoh) /* 110*/
- .long SYM(_uhoh) /* 111*/
- .long SYM(_uhoh) /* 112*/
- .long SYM(_uhoh) /* 113*/
- .long SYM(_uhoh) /* 114*/
- .long SYM(_uhoh) /* 115*/
- .long SYM(_uhoh) /* 116*/
- .long SYM(_uhoh) /* 117*/
- .long SYM(_uhoh) /* 118*/
- .long SYM(_uhoh) /* 119*/
- .long SYM(_uhoh) /* 120*/
- .long SYM(_uhoh) /* 121*/
- .long SYM(_uhoh) /* 122*/
- .long SYM(_uhoh) /* 123*/
- .long SYM(_uhoh) /* 124*/
- .long SYM(_uhoh) /* 125*/
- .long SYM(_uhoh) /* 126*/
- .long SYM(_uhoh) /* 127*/
-
- /* INTC1 */
-
- .long SYM(_uhoh) /* 128*/
- .long SYM(_uhoh) /* 129*/
- .long SYM(_uhoh) /* 130*/
- .long SYM(_uhoh) /* 131*/
- .long SYM(_uhoh) /* 132*/
- .long SYM(_uhoh) /* 133*/
- .long SYM(_uhoh) /* 134*/
- .long SYM(_uhoh) /* 135*/
- .long SYM(_uhoh) /* 136*/
- .long SYM(_uhoh) /* 137*/
- .long SYM(_uhoh) /* 138*/
- .long SYM(_uhoh) /* 139*/
- .long SYM(_uhoh) /* 140*/
- .long SYM(_uhoh) /* 141*/
- .long SYM(_uhoh) /* 142*/
- .long SYM(_uhoh) /* 143*/
- .long SYM(_uhoh) /* 144*/
- .long SYM(_uhoh) /* 145*/
- .long SYM(_uhoh) /* 146*/
- .long SYM(_uhoh) /* 147*/
- .long SYM(_uhoh) /* 148*/
- .long SYM(_uhoh) /* 149*/
- .long SYM(_uhoh) /* 150*/
- .long SYM(_uhoh) /* 151*/
- .long SYM(_uhoh) /* 152*/
- .long SYM(_uhoh) /* 153*/
- .long SYM(_uhoh) /* 154*/
- .long SYM(_uhoh) /* 155*/
- .long SYM(_uhoh) /* 156*/
- .long SYM(_uhoh) /* 157*/
- .long SYM(_uhoh) /* 158*/
- .long SYM(_uhoh) /* 159*/
- .long SYM(_uhoh) /* 160*/
- .long SYM(_uhoh) /* 161*/
- .long SYM(_uhoh) /* 162*/
- .long SYM(_uhoh) /* 163*/
- .long SYM(_uhoh) /* 164*/
- .long SYM(_uhoh) /* 165*/
- .long SYM(_uhoh) /* 166*/
- .long SYM(_uhoh) /* 167*/
- .long SYM(_uhoh) /* 168*/
- .long SYM(_uhoh) /* 169*/
- .long SYM(_uhoh) /* 170*/
- .long SYM(_uhoh) /* 171*/
- .long SYM(_uhoh) /* 172*/
- .long SYM(_uhoh) /* 173*/
- .long SYM(_uhoh) /* 174*/
- .long SYM(_uhoh) /* 175*/
- .long SYM(_uhoh) /* 176*/
- .long SYM(_uhoh) /* 177*/
- .long SYM(_uhoh) /* 178*/
- .long SYM(_uhoh) /* 179*/
- .long SYM(_uhoh) /* 180*/
- .long SYM(_uhoh) /* 181*/
- .long SYM(_uhoh) /* 182*/
- .long SYM(_uhoh) /* 183*/
- .long SYM(_uhoh) /* 184*/
- .long SYM(_uhoh) /* 185*/
- .long SYM(_uhoh) /* 186*/
- .long SYM(_uhoh) /* 187*/
- .long SYM(_uhoh) /* 188*/
- .long SYM(_uhoh) /* 189*/
- .long SYM(_uhoh) /* 190*/
- .long SYM(_uhoh) /* 191*/
- .long SYM(_uhoh) /* 192*/
-
- /* */
-
- .long SYM(_uhoh) /* 193*/
- .long SYM(_uhoh) /* 194*/
- .long SYM(_uhoh) /* 195*/
- .long SYM(_uhoh) /* 196*/
- .long SYM(_uhoh) /* 197*/
- .long SYM(_uhoh) /* 198*/
- .long SYM(_uhoh) /* 199*/
- .long SYM(_uhoh) /* 200*/
- .long SYM(_uhoh) /* 201*/
- .long SYM(_uhoh) /* 202*/
- .long SYM(_uhoh) /* 203*/
- .long SYM(_uhoh) /* 204*/
- .long SYM(_uhoh) /* 205*/
- .long SYM(_uhoh) /* 206*/
- .long SYM(_uhoh) /* 207*/
- .long SYM(_uhoh) /* 208*/
- .long SYM(_uhoh) /* 209*/
- .long SYM(_uhoh) /* 210*/
- .long SYM(_uhoh) /* 211*/
- .long SYM(_uhoh) /* 212*/
- .long SYM(_uhoh) /* 213*/
- .long SYM(_uhoh) /* 214*/
- .long SYM(_uhoh) /* 215*/
- .long SYM(_uhoh) /* 216*/
- .long SYM(_uhoh) /* 217*/
- .long SYM(_uhoh) /* 218*/
- .long SYM(_uhoh) /* 219*/
- .long SYM(_uhoh) /* 220*/
- .long SYM(_uhoh) /* 221*/
- .long SYM(_uhoh) /* 222*/
- .long SYM(_uhoh) /* 223*/
- .long SYM(_uhoh) /* 224*/
- .long SYM(_uhoh) /* 225*/
- .long SYM(_uhoh) /* 226*/
- .long SYM(_uhoh) /* 227*/
- .long SYM(_uhoh) /* 228*/
- .long SYM(_uhoh) /* 229*/
- .long SYM(_uhoh) /* 230*/
- .long SYM(_uhoh) /* 231*/
- .long SYM(_uhoh) /* 232*/
- .long SYM(_uhoh) /* 233*/
- .long SYM(_uhoh) /* 234*/
- .long SYM(_uhoh) /* 235*/
- .long SYM(_uhoh) /* 236*/
- .long SYM(_uhoh) /* 237*/
- .long SYM(_uhoh) /* 238*/
- .long SYM(_uhoh) /* 239*/
- .long SYM(_uhoh) /* 240*/
- .long SYM(_uhoh) /* 241*/
- .long SYM(_uhoh) /* 242*/
- .long SYM(_uhoh) /* 243*/
- .long SYM(_uhoh) /* 244*/
- .long SYM(_uhoh) /* 245*/
- .long SYM(_uhoh) /* 246*/
- .long SYM(_uhoh) /* 247*/
- .long SYM(_uhoh) /* 248*/
- .long SYM(_uhoh) /* 249*/
- .long SYM(_uhoh) /* 250*/
- .long SYM(_uhoh) /* 251*/
- .long SYM(_uhoh) /* 252*/
- .long SYM(_uhoh) /* 253*/
- .long SYM(_uhoh) /* 254*/
- .long SYM(_uhoh) /* 255*/
-
-/*
- * We must write the flash configuration here. This portion of flash is shadowed
- * by some flash registers, so we can't put code here!
- */
-
- PUBLIC (_FLASH_CONFIGURATION_FIELD)
-SYM(_FLASH_CONFIGURATION_FIELD):
-
-_key_upper: .long 0x00000000
-_key_lower: .long 0x00000000
-_cfm_prot: .long 0x00000000
-_cfm_sacc: .long 0x00000000
-_cfm_dacc: .long 0x00000000
-_cfm_msec: .long 0x00000000
-
-/*
- * Default trap handler
- * With an oscilloscope you can see AS* stop
- */
-.align 4
- PUBLIC (_uhoh)
-SYM(_uhoh):
- nop | Leave spot for breakpoint
- stop #0x2700 | Stop with interrupts disabled
- bra.w SYM(_uhoh) | Stuck forever
-
-/*
- * Spurious Interrupt Handler
- */
-.align 4
- PUBLIC (_spuriousInterrupt)
-SYM(_spuriousInterrupt):
- addql #1, SYM(_M68kSpuriousInterruptCount)
- rte
-
-/*
- * Write VBR Register
- */
-.align 4
- PUBLIC (_wr_vbr)
-SYM(_wr_vbr):
- move.l 4(sp), d0
- movec d0, vbr
- nop
- rts
-
-/*
- * Board startup
- * Disable watchdog, interrupts
- * Enable sram
- */
-.align 4
- PUBLIC (start)
-SYM(start):
-
- /* Mask off interupts */
- move.w #0x2700, sr
-
- /* Save off reset values of D0 and D1 */
- move.l d0, d6
- move.l d1, d7
-
- /* Initialize RAMBAR: locate SRAM and validate it */
- move.l #RamBase, d0
- add.l #0x21, d0
- movec d0, %rambar
-
- /* Locate Stack Pointer */
- move.l #_StackInit, sp
-
- /* Initialize FLASHBAR */
- move.l #_FlashBase, d0
- cmp.l #0x00000000, d0
- bne _change_flashbar
- add.l #0x61, d0
- movec d0, %flashbar
-
-_continue_startup:
-
- /* Locate Stack Pointer */
- move.l #_StackInit, sp
-
- /* Save off intial D0 and D1 to RAM */
- move.l d6, SYM(_d0_reset)
- move.l d7, SYM(_d1_reset)
-
- /*
- * Remainder of the startup code is handled by C code
- * This never returns
- */
- jmp SYM(Init52235)
-
-_change_flashbar:
- /*
- * The following sequence is used to set FLASHBAR. Since we may
- * be executing from Flash, we must put the routine into SRAM for
- * execution and then jump back to Flash using the new address.
- *
- * The following instructions are coded into the SRAM:
- *
- * move.l #(__FLASH + 0x61),d0
- * movec d0, FLASHBAR
- * jmp _continue_startup
- *
- * An arbitrary SRAM address is chosen until the real address
- * can be loaded.
- *
- * This routine is not necessary if the default Flash address
- * (0x00000000) is used.
- *
- * If running in SRAM, change_flashbar should not be executed
- */
-
- move.l #RamBase, a0
-
- /* Code "move.l #(__FLASH + 0x61),d0" into SRAM */
- move.w #0x203C, d0
- move.w d0, (a0)+
- move.l #_FlashBase, d0
- add.l #0x61, d0
- move.l d0, (a0)+
-
- /* Code "movec d0,FLASHBAR" into SRAM */
- move.l #0x4e7b0C04, d0
- move.l d0, (a0)+
-
- /* Code "jmp _continue_startup" into SRAM */
- move.w #0x4EF9, d0
- move.w d0, (a0)+
- move.l #_continue_startup, d0
- move.l d0, (a0)+
-
- /* Jump to code segment in internal SRAM */
- jmp RamBase
-
-END_CODE
-
-
-BEGIN_DATA_DCL
-
- .align 4
-
-PUBLIC (_M68kSpuriousInterruptCount)
-SYM (_M68kSpuriousInterruptCount):
- .long 0
-
-PUBLIC (_d0_reset)
-SYM (_d0_reset):
- .long 0
-
-PUBLIC (_d1_reset)
-SYM (_d1_reset):
- .long 0
-
-END_DATA_DCL
-
-END
-
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