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[/] [openmsp430/] [trunk/] [core/] [sim/] [rtl_sim/] [src/] [wdt_watchdog.s43] - Diff between revs 18 and 111

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Line 28... Line 28...
/*                                                                           */
/*                                                                           */
/* Author(s):                                                                */
/* Author(s):                                                                */
/*             - Olivier Girard,    olgirard@gmail.com                       */
/*             - Olivier Girard,    olgirard@gmail.com                       */
/*                                                                           */
/*                                                                           */
/*---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/
/* $Rev: 18 $                                                                */
/* $Rev: 111 $                                                                */
/* $LastChangedBy: olivier.girard $                                          */
/* $LastChangedBy: olivier.girard $                                          */
/* $LastChangedDate: 2009-08-04 23:44:12 +0200 (Tue, 04 Aug 2009) $          */
/* $LastChangedDate: 2011-05-20 22:39:02 +0200 (Fri, 20 May 2011) $          */
/*===========================================================================*/
/*===========================================================================*/
 
 
.global main
.global main
 
 
 
.set   DMEM_BASE, (__data_start     )
 
.set   DMEM_200,  (__data_start+0x00)
 
.set   DMEM_202,  (__data_start+0x02)
 
.set   DMEM_204,  (__data_start+0x04)
 
.set   DMEM_206,  (__data_start+0x06)
 
.set   DMEM_208,  (__data_start+0x08)
 
.set   DMEM_250,  (__data_start+0x50)
 
 
.set   IE1,    0x0000
.set   IE1,    0x0000
.set   IFG1,   0x0002
.set   IFG1,   0x0002
.set   WDTCTL, 0x0120
.set   WDTCTL, 0x0120
 
 
 
 
Line 48... Line 56...
 
 
        mov   &IFG1, r4       	;# Check if we come out of a watchdog reset
        mov   &IFG1, r4       	;# Check if we come out of a watchdog reset
        cmp #0x0000, r4
        cmp #0x0000, r4
        jeq   RD_WR_ACCESS
        jeq   RD_WR_ACCESS
 
 
        mov &0x0250, r15        ;# If yes, check RAM variable to see where to go next
        mov &DMEM_250, r15        ;# If yes, check RAM variable to see where to go next
 
 
        cmp #0x0000, r15
        cmp #0x0000, r15
        jeq   RESET_64
        jeq   RESET_64
        cmp #0x1000, r15
        cmp #0x1000, r15
        jeq   RESET_512
        jeq   RESET_512
Line 66... Line 74...
        jmp  end_of_test
        jmp  end_of_test
 
 
 
 
        /* --------------   WATCHDOG TEST:  RD/WR ACCESS    --------------- */
        /* --------------   WATCHDOG TEST:  RD/WR ACCESS    --------------- */
RD_WR_ACCESS:
RD_WR_ACCESS:
        mov  #0x0000, &0x0250
        mov  #0x0000, &DMEM_250
 
 
        mov  &WDTCTL, &0x0200
        mov  &WDTCTL, &DMEM_200
        mov  #0x5aff, &WDTCTL
        mov  #0x5aff, &WDTCTL
        mov  &WDTCTL, &0x0202
        mov  &WDTCTL, &DMEM_202
        mov  #0x5a55, &WDTCTL
        mov  #0x5a55, &WDTCTL
        mov  &WDTCTL, &0x0204
        mov  &WDTCTL, &DMEM_204
        mov  #0x5aaa, &WDTCTL
        mov  #0x5aaa, &WDTCTL
        mov  &WDTCTL, &0x0206
        mov  &WDTCTL, &DMEM_206
        mov  #0x5a00, &WDTCTL
        mov  #0x5a00, &WDTCTL
        mov  &WDTCTL, &0x0208
        mov  &WDTCTL, &DMEM_208
 
 
        mov  #0xDEAD, &WDTCTL	 ;# Generate reset through wrong password
        mov  #0xDEAD, &WDTCTL	 ;# Generate reset through wrong password
 
 
        jmp  end_of_test         ;# Force end of test if watchdog reset don't happen
        jmp  end_of_test         ;# Force end of test if watchdog reset don't happen
 
 
 
 
 
 
        /* --------------   WATCHDOG TEST:  WATCHODG MODE /64  ------------ */
        /* --------------   WATCHDOG TEST:  WATCHODG MODE /64  ------------ */
RESET_64:
RESET_64:
        bic.b #0x01,   &IFG1
        bic.b #0x01,   &IFG1
        mov   #0x1000, &0x0250
        mov   #0x1000, &DMEM_250
 
 
        mov   #0x5a0b, &WDTCTL	 ;# Enable watchdog mode /64 & clear counter
        mov   #0x5a0b, &WDTCTL	 ;# Enable watchdog mode /64 & clear counter
 
 
        mov   #0x0000, &0x0200
        mov   #0x0000, &DMEM_200
wait_loop_64:
wait_loop_64:
        inc   &0x0200
        inc   &DMEM_200
        jmp   wait_loop_64
        jmp   wait_loop_64
 
 
        jmp   end_of_test        ;# Force end of test if watchdog reset don't happen
        jmp   end_of_test        ;# Force end of test if watchdog reset don't happen
 
 
 
 
 
 
        /* --------------   WATCHDOG TEST:  INTERVAL MODE /512  ------------ */
        /* --------------   WATCHDOG TEST:  INTERVAL MODE /512  ------------ */
RESET_512:
RESET_512:
        bic.b #0x01,   &IFG1
        bic.b #0x01,   &IFG1
        mov   #0x2000, &0x0250
        mov   #0x2000, &DMEM_250
 
 
        mov   #0x5a0a, &WDTCTL	  ;# Enable watchdog mode /512 & clear counter
        mov   #0x5a0a, &WDTCTL	  ;# Enable watchdog mode /512 & clear counter
 
 
        mov   #0x0000, &0x0202
        mov   #0x0000, &DMEM_202
wait_loop_512:
wait_loop_512:
        inc   &0x0202
        inc   &DMEM_202
        jmp   wait_loop_512
        jmp   wait_loop_512
 
 
        jmp   end_of_test         ;# Force end of test if watchdog reset don't happen
        jmp   end_of_test         ;# Force end of test if watchdog reset don't happen
 
 
 
 
 
 
        /* --------------   WATCHDOG TEST:  INTERVAL MODE /8192  ------------ */
        /* --------------   WATCHDOG TEST:  INTERVAL MODE /8192  ------------ */
RESET_8192:
RESET_8192:
        bic.b #0x01,   &IFG1
        bic.b #0x01,   &IFG1
        mov   #0x3000, &0x0250
        mov   #0x3000, &DMEM_250
 
 
        mov   #0x5a09, &WDTCTL	  ;# Enable watchdog mode /8192 & clear counter
        mov   #0x5a09, &WDTCTL	  ;# Enable watchdog mode /8192 & clear counter
 
 
        mov   #0x0000, &0x0204
        mov   #0x0000, &DMEM_204
wait_loop_8192:
wait_loop_8192:
        inc   &0x0204
        inc   &DMEM_204
        jmp   wait_loop_8192
        jmp   wait_loop_8192
 
 
        jmp   end_of_test         ;# Force end of test if watchdog reset don't happen
        jmp   end_of_test         ;# Force end of test if watchdog reset don't happen
 
 
 
 
 
 
        /* --------------   WATCHDOG TEST:  INTERVAL MODE /32768  ------------ */
        /* --------------   WATCHDOG TEST:  INTERVAL MODE /32768  ------------ */
RESET_32768:
RESET_32768:
        bic.b #0x01,   &IFG1
        bic.b #0x01,   &IFG1
        mov   #0x4000, &0x0250
        mov   #0x4000, &DMEM_250
 
 
        mov   #0x5a08, &WDTCTL	  ;# Enable interval mode /32768 & clear counter
        mov   #0x5a08, &WDTCTL	  ;# Enable interval mode /32768 & clear counter
 
 
        mov   #0x0000, &0x0206
        mov   #0x0000, &DMEM_206
wait_loop_32768:
wait_loop_32768:
        inc   &0x0206
        inc   &DMEM_206
        jmp   wait_loop_32768
        jmp   wait_loop_32768
 
 
        jmp   end_of_test         ;# Force end of test if watchdog reset don't happen
        jmp   end_of_test         ;# Force end of test if watchdog reset don't happen
 
 
 
 
CHECK_32768:
CHECK_32768:
        bic.b #0x01,   &IFG1
        bic.b #0x01,   &IFG1
        mov   #0x5000, &0x0250
        mov   #0x5000, &DMEM_250
 
 
 
 
        /* ----------------------         END OF TEST        --------------- */
        /* ----------------------         END OF TEST        --------------- */
end_of_test:
end_of_test:
        nop
        nop

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