diff options
Diffstat (limited to 'c/src/lib/libbsp/m68k/mcf5235/start/start.S')
| -rw-r--r-- | c/src/lib/libbsp/m68k/mcf5235/start/start.S | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/c/src/lib/libbsp/m68k/mcf5235/start/start.S b/c/src/lib/libbsp/m68k/mcf5235/start/start.S index 22f83dc43f..6cc14eb232 100644 --- a/c/src/lib/libbsp/m68k/mcf5235/start/start.S +++ b/c/src/lib/libbsp/m68k/mcf5235/start/start.S @@ -24,10 +24,10 @@ BEGIN_CODE #define INITIAL_STACK __SRAMBASE+SRAM_SIZE-4 - + PUBLIC (INTERRUPT_VECTOR) SYM(INTERRUPT_VECTOR): - .long INITIAL_STACK | 0: Initial 'SSP' + .long INITIAL_STACK | 0: Initial 'SSP' .long start | 1: Initial PC .long SYM(_uhoh) | 2: Bus error .long SYM(_uhoh) | 3: Address error @@ -290,9 +290,9 @@ SYM(INTERRUPT_VECTOR): */ .align 4 PUBLIC (_uhoh) -SYM(_uhoh): +SYM(_uhoh): nop | Leave spot for breakpoint - stop #0x2700 | Stop with interrupts disabled + stop #0x2700 | Stop with interrupts disabled bra.w SYM(_uhoh) | Stuck forever .align 4 @@ -318,12 +318,12 @@ SYM(start): move.l #__SRAMBASE+1,d0 | Enable the MCF5235 internal SRAM movec d0,%rambar | ...so we have a stack - move.l #0x20000201, d0 + move.l #0x20000201, d0 move.l d0,(0x40000008) | set up 2nd RAMBAR to make 2nd port avail to FEC move.l #__IPSBAR+1,d0 | Enable the MCF5235 internal peripherals move.l d0,DEFAULT_IPSBAR - + /* * Remainder of the startup code is handled by C code */ @@ -332,7 +332,7 @@ SYM(start): /*************************************************************************** Function : CopyDataClearBSSAndStart - Description : Copy DATA segment, Copy SRAM segment, clear BSS segment, + Description : Copy DATA segment, Copy SRAM segment, clear BSS segment, start C program. Assume that DATA and BSS sizes are multiples of 4. ***************************************************************************/ .align 4 @@ -340,7 +340,7 @@ SYM(start): PUBLIC (CopyDataClearBSSAndStart) SYM(CopyDataClearBSSAndStart): lea SYM(_data_dest_start),a0 | Get start of DATA in RAM - lea SYM(_data_src_start),a2 | Get start of DATA in ROM + lea SYM(_data_src_start),a2 | Get start of DATA in ROM cmpl a0,a2 | Are they the same? beq.s NODATACOPY | Yes, no copy necessary lea SYM(_data_dest_end),a1 | Get end of DATA in RAM @@ -351,7 +351,7 @@ DATACOPYLOOPTEST: cmpl a1,a0 | Done? bcs.s DATACOPYLOOP | No, skip NODATACOPY: - + /* Now, clear BSS */ lea _clear_start,a0 | Get start of BSS lea _clear_end,a1 | Get end of BSS @@ -375,8 +375,8 @@ MULTI_TASK_EXIT: nop nop trap #14 - bra MULTI_TASK_EXIT - + bra MULTI_TASK_EXIT + END_CODE .align 2 |