libs/rt-thread
libs
/
rt-thread
4
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Merge pull request #4234 from OpenNuvoton/rtt_arm926_gcc_startup_issue 

[libcpu/arm/arm926/start_gcc.S] Remove platform-specific code in common.
This commit is contained in:
Bernard Xiong 2021-01-12 22:40:04 +08:00 committed by GitHub
parent 6742f9a3ab 235296073f
commit 55ef9164b5
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 0 additions and 24 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
libcpu/arm/arm926/start_gcc.S
View File

@ -121,31 +121,7 @@ reset:
/* init cpu */
bl cpu_init_crit
/* todo:copyself to link address */
/* Copy vector to the correct address */
ldr r0, =system_vectors
mrc p15, 0, r2, c1, c0, 0
ands r2, r2, #(1 << 13)
ldreq r1, =0x00000000
ldrne r1, =0xffff0000
ldmia r0!, {r2-r8, r10}
stmia r1!, {r2-r8, r10}
ldmia r0!, {r2-r8, r10}
stmia r1!, {r2-r8, r10}
/* turn off the watchdog */
ldr r0, =0x01C20CB8
mov r1, #0x0
str r1, [r0]
/* mask all IRQs source */
ldr r1, =0xffffffff
ldr r0, =0x01C20430
str r1, [r0], #0x04
str r1, [r0]
/* Call low level init function */
ldr sp, =svc_stack_start
ldr r0, =rt_low_level_init