c6591c0f49
modify the prototype of up_putc(): remove the return value The architecture code does not care about the return value of up_putc(), so removing it saves two statements: Before: After: de4c: e52de004 push {lr} @ (str lr, [sp, #-4]!) | de4c: e52de004 push {lr} @ (str lr, [sp, #-4]!) de50: e24dd014 sub sp, sp, #20 | de50: e24dd014 sub sp, sp, #20 de54: e58d0004 str r0, [sp, #4] | de54: e58d0004 str r0, [sp, #4] de58: e30030f8 movw r3, #248 @ 0xf8 | de58: e30030f8 movw r3, #248 @ 0xf8 de5c: e3423000 movt r3, #8192 @ 0x2000 | de5c: e3423000 movt r3, #8192 @ 0x2000 de60: e58d300c str r3, [sp, #12] | de60: e58d300c str r3, [sp, #12] de64: e59d1004 ldr r1, [sp, #4] | de64: e59d1004 ldr r1, [sp, #4] de68: e59d000c ldr r0, [sp, #12] | de68: e59d000c ldr r0, [sp, #12] de6c: ebfffe66 bl d80c <pl011_putc> | de6c: ebfffe66 bl d80c <pl011_putc> de70: e59d3004 ldr r3, [sp, #4] | de70: e28dd014 add sp, sp, #20 de74: e1a00003 mov r0, r3 | de74: e49df004 pop {pc} @ (ldr pc, [sp], #4) de78: e28dd014 add sp, sp, #20 | de7c: e49df004 pop {pc} @ (ldr pc, [sp], #4) | Signed-off-by: chao an <anchao@lixiang.com> |
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.. | ||
_extensions | ||
_static | ||
_templates | ||
applications | ||
components | ||
contributing | ||
faq | ||
guides | ||
implementation | ||
introduction | ||
logos | ||
platforms | ||
quickstart | ||
reference | ||
ReleaseNotes | ||
.gitignore | ||
conf.py | ||
glossary.rst | ||
index.rst | ||
known-warnings.txt | ||
legacy_README.md | ||
make.bat | ||
Makefile | ||
Pipfile | ||
Pipfile.lock | ||
substitutions.rst |