diff options
Diffstat (limited to 'board/w7o/post1.S')
| -rw-r--r-- | board/w7o/post1.S | 64 |
1 files changed, 32 insertions, 32 deletions
diff --git a/board/w7o/post1.S b/board/w7o/post1.S index 21d206e..a6f46c8 100644 --- a/board/w7o/post1.S +++ b/board/w7o/post1.S @@ -62,7 +62,7 @@ * Switch to .data section. */ .section ".data" -err_str: .asciz "*** POST ERROR = " +err_str: .asciz "*** POST ERROR = " warn_str: .asciz "*** POST WARNING = " end_str: .asciz "\r\n" @@ -93,7 +93,7 @@ test_led: stw r0, +16(r1) /* Save link register */ stw r4, +8(r1) /* save R4 */ - WATCHDOG_RESET /* Reset the watchdog */ + WATCHDOG_RESET /* Reset the watchdog */ addi r3, 0, ERR_FF /* first test value is ffff */ addi r4, r3, 0 /* save copy of pattern */ @@ -155,7 +155,7 @@ l2_loop: addi r31, r3, 0 /* save original size */ /* now kick the dog and test the mem */ - WATCHDOG_RESET /* Reset the watchdog */ + WATCHDOG_RESET /* Reset the watchdog */ bl Data_Buster /* test crossed/shorted data lines */ addi r3, r30, 0 /* get log2(memsize) */ addi r4, r31, 0 /* get memsize */ @@ -257,7 +257,7 @@ clr_loop: addi r28, r28, 4 /* Increment to next word */ andi. r27, r28, 0xffff /* check for 2^16 loops */ bne clr_skip /* if not there, then skip */ - WATCHDOG_RESET /* kick the dog every now and then */ + WATCHDOG_RESET /* kick the dog every now and then */ clr_skip: bdnz clr_loop /* Round and round... */ @@ -272,7 +272,7 @@ outside: * thus the sequence 0,1,2,4,8,..,2^(n-1) * setting the bit is done with the following shift functions. */ - WATCHDOG_RESET /* Reset the watchdog */ + WATCHDOG_RESET /* Reset the watchdog */ addi r31, 0, 1 /* r31 = 1 */ slw r28, r31, r30 /* set bit coresponding to loop cnt */ @@ -301,20 +301,20 @@ inside: bne Casper /* we found a ghost! */ /* now close ghost ( inner ) loop */ - addi r29, r29, 1 /* increment inner loop counter */ - cmpw r29, r26 /* check for last inner loop */ + addi r29, r29, 1 /* increment inner loop counter */ + cmpw r29, r26 /* check for last inner loop */ blt inside /* do more inner loops */ /* now close referance ( outer ) loop */ - addi r31, 0, 0 /* r31 = zero */ + addi r31, 0, 0 /* r31 = zero */ stb r31, 0(28) /* zero out the altered address loc. */ /* * Increment and check for end, count is zero based. * With the ble, this gives us one more loops than * address bits for sequence 0,1,2,4,8,...2^(n-1) */ - addi r30, r30, 1 /* increment outer loop counter */ - cmpw r30, r26 /* check for last inner loop */ + addi r30, r30, 1 /* increment outer loop counter */ + cmpw r30, r26 /* check for last inner loop */ ble outside /* do more outer loops */ /* were done, lets go home */ @@ -391,7 +391,7 @@ fill_test: mr r28, r4 mr r29, r5 - WATCHDOG_RESET /* Reset the watchdog */ + WATCHDOG_RESET /* Reset the watchdog */ /* first fill memory with Value */ srawi r31, r29, 2 /* convert bytes to longs */ @@ -401,10 +401,10 @@ ft_0: stw r28, 0(r30) /* Store value */ addi r30, r30, 4 /* Increment to next word */ andi. r31, r30, 0xffff /* check for 2^16 loops */ bne ft_0a /* if not there, then skip */ - WATCHDOG_RESET /* kick the dog every now and then */ + WATCHDOG_RESET /* kick the dog every now and then */ ft_0a: bdnz ft_0 /* Round and round... */ - WATCHDOG_RESET /* Reset the watchdog */ + WATCHDOG_RESET /* Reset the watchdog */ /* Now confirm Value is in memory */ srawi r31, r29, 2 /* convert bytes to longs */ @@ -419,7 +419,7 @@ ft_1: lwz r31, 0(r30) /* get value from memory */ WATCHDOG_RESET /* kick the dog every now and then */ ft_1a: bdnz ft_1 /* Round and round... */ - WATCHDOG_RESET /* Reset the watchdog */ + WATCHDOG_RESET /* Reset the watchdog */ b fill_done /* restore and return */ @@ -608,9 +608,9 @@ temp_uart_init: /* output a few line feeds */ addi r3, 0, '\n' /* load line feed */ - bl post_putc /* output the char */ + bl post_putc /* output the char */ addi r3, 0, '\n' /* load line feed */ - bl post_putc /* output the char */ + bl post_putc /* output the char */ /* restore stack and return */ lwz r0, +12(r1) /* Get saved link register */ @@ -637,15 +637,15 @@ post_putc: addis r31, 0, 0xef60 /* Point to uart base */ ori r31, r31, 0x0300 - addis r30, 0, 152 /* Load about 10,000,000 ticks. */ + addis r30, 0, 152 /* Load about 10,000,000 ticks. */ pputc_lp: - lbz r29, 5(r31) /* Read Line Status Register */ + lbz r29, 5(r31) /* Read Line Status Register */ andi. r29, r29, 0x20 /* Check THRE status */ bne thre_set /* Branch if FIFO empty */ addic. r30, r30, -1 /* Decrement and check if empty. */ bne pputc_lp /* Try, try again */ addi r3, 0, -1 /* Load error code for timeout */ - b pputc_done /* Bail out with error code set */ + b pputc_done /* Bail out with error code set */ thre_set: stb r3, 0(r31) /* Store character to UART */ addi r3, 0, 0 /* clear error code */ @@ -671,7 +671,7 @@ post_puts: stw r0, +16(r1) /* Save link register */ stw r31, 8(r1) /* save r31 - char pointer */ - addi r31, r3, 0 /* move pointer to R31 */ + addi r31, r3, 0 /* move pointer to R31 */ pputs_nxt: lbz r3, 0(r31) /* Get next character */ addic. r3, r3, 0 /* Check for zero */ @@ -679,13 +679,13 @@ pputs_nxt: bl post_putc /* output the char */ addic. r3, r3, 0 /* check for error */ bne pputs_err - addi r31, r31, 1 /* point to next char */ - b pputs_nxt /* loop till term */ + addi r31, r31, 1 /* point to next char */ + b pputs_nxt /* loop till term */ pputs_err: - addi r3, 0, -1 /* set error code */ + addi r3, 0, -1 /* set error code */ b pputs_end /* were outa here */ pputs_term: - addi r3, 0, 1 /* set success code */ + addi r3, 0, 1 /* set success code */ /* restore stack and return */ pputs_end: lwz r31, 8(r1) /* restore r27 - r31 from stack */ @@ -711,20 +711,20 @@ disp_hex: stmw r30, 8(r1) /* save r30 - r31 on stack */ /* r31 output char */ /* r30 uart base address */ - addi r30, 0, 8 /* Go through 8 nibbles. */ - addi r31, r3, 0 + addi r30, 0, 8 /* Go through 8 nibbles. */ + addi r31, r3, 0 pputh_nxt: rlwinm r31, r31, 4, 0, 31 /* Rotate next nibble into position */ - andi. r3, r31, 0x0f /* Get nibble. */ - addi r3, r3, 0x30 /* Add zero's ASCII code. */ + andi. r3, r31, 0x0f /* Get nibble. */ + addi r3, r3, 0x30 /* Add zero's ASCII code. */ cmpwi r3, 0x03a blt pputh_out - addi r3, r3, 0x07 /* 0x27 for lower case. */ + addi r3, r3, 0x07 /* 0x27 for lower case. */ pputh_out: - cmpw r30, r4 + cmpw r30, r4 bgt pputh_skip bl post_putc - addic. r3, r3, 0 /* check for error */ + addic. r3, r3, 0 /* check for error */ bne pputh_err pputh_skip: addic. r30, r30, -1 @@ -732,7 +732,7 @@ pputh_skip: xor r3, r3, r3 /* Clear error code */ b pputh_done pputh_err: - addi r3, 0, -1 /* set error code */ + addi r3, 0, -1 /* set error code */ pputh_done: /* restore stack and return */ lmw r30, 8(r1) /* restore r30 - r31 from stack */ |