summaryrefslogtreecommitdiff
path: root/firmware/target/arm/s3c2440/crt0.S
diff options
context:
space:
mode:
Diffstat (limited to 'firmware/target/arm/s3c2440/crt0.S')
-rw-r--r--firmware/target/arm/s3c2440/crt0.S20
1 files changed, 2 insertions, 18 deletions
diff --git a/firmware/target/arm/s3c2440/crt0.S b/firmware/target/arm/s3c2440/crt0.S
index 7f1ebf8dec..efdb3f7248 100644
--- a/firmware/target/arm/s3c2440/crt0.S
+++ b/firmware/target/arm/s3c2440/crt0.S
@@ -97,7 +97,7 @@ start:
97 97
98 /* Calculate the length of the code needed to run/copy */ 98 /* Calculate the length of the code needed to run/copy */
99 ldr r1, = _vectorstart 99 ldr r1, = _vectorstart
100 ldr r2, = _iramend 100 ldr r2, = _initdata_end
101 sub r2, r2, r1 101 sub r2, r2, r1
102 102
103 add r3, r2, #0x30000000 103 add r3, r2, #0x30000000
@@ -364,7 +364,7 @@ start:
364 364
365 /* Copy code to 0x30000000 */ 365 /* Copy code to 0x30000000 */
366 ldr r2, = _vectorstart 366 ldr r2, = _vectorstart
367 ldr r3, = _iramend 367 ldr r3, = _initdata_end
368 368
369 sub r2, r3, r2 /* length of loader */ 369 sub r2, r3, r2 /* length of loader */
370 370
@@ -408,22 +408,6 @@ donecopy:
408 408
409 bl enable_mmu 409 bl enable_mmu
410 410
411 /* Zero out IBSS */
412 ldr r2, =_iedata
413 ldr r3, =_iend
414 mov r4, #0
415ibsszero:
416 cmp r3, r2
417 strhi r4, [r2], #4
418 bhi ibsszero
419
420 /* Copy the IRAM */
421 ldr r0, =_iramcopy
422 ldr r1, =_iramstart
423 ldr r2, =_iramend
424 sub r2, r2, r1
425 bl word_copy
426
427 /* Initialise bss section to zero */ 411 /* Initialise bss section to zero */
428 ldr r2, =_edata 412 ldr r2, =_edata
429 ldr r3, =_end 413 ldr r3, =_end