URL
https://opencores.org/ocsvn/openrisc/openrisc/trunk
Subversion Repositories openrisc
Compare Revisions
- This comparison shows the changes necessary to convert path
/openrisc/trunk/orpsocv2/sw/drivers/or1200
- from Rev 475 to Rev 485
- ↔ Reverse comparison
Rev 475 → Rev 485
/crt0.S
35,6 → 35,37
/* ---[ 0x100: RESET exception ]----------------------------------------- */ |
.org 0x100 |
l.movhi r0, 0 |
l.movhi r1, 0 |
l.movhi r2, 0 |
l.movhi r3, 0 |
l.movhi r4, 0 |
l.movhi r5, 0 |
l.movhi r6, 0 |
l.movhi r7, 0 |
l.movhi r8, 0 |
l.movhi r9, 0 |
l.movhi r10, 0 |
l.movhi r11, 0 |
l.movhi r12, 0 |
l.movhi r13, 0 |
l.movhi r14, 0 |
l.movhi r15, 0 |
l.movhi r16, 0 |
l.movhi r17, 0 |
l.movhi r18, 0 |
l.movhi r19, 0 |
l.movhi r20, 0 |
l.movhi r21, 0 |
l.movhi r22, 0 |
l.movhi r23, 0 |
l.movhi r24, 0 |
l.movhi r25, 0 |
l.movhi r26, 0 |
l.movhi r27, 0 |
l.movhi r28, 0 |
l.movhi r29, 0 |
l.movhi r30, 0 |
l.movhi r31, 0 |
/* Clear status register, set supervisor mode */ |
l.ori r1, r0, SPR_SR_SM |
l.mtspr r0, r1, SPR_SR |
290,11 → 321,6
|
.L10: |
|
/* Initialise stack */ |
/* LOAD_SYMBOL_2_GPR(r1, _stack) |
l.addi r2, r0, -3 |
l.and r1, r1, r2 |
*/ |
/* Clear BSS */ |
LOAD_SYMBOL_2_GPR(r28, _bss_start) |
LOAD_SYMBOL_2_GPR(r30, _bss_end) |
304,12 → 330,10
l.bf 1b |
l.addi r28, r28, 4 |
|
|
/* Initialise UART in a C function */ |
/*l.jal _uart_init |
l.nop*/ |
|
|
/* Jump to main program entry point (argc = argv = 0) */ |
CLEAR_GPR(r3) |
CLEAR_GPR(r4) |