update Port/Cortex-M/port_cmx_s.c.

Signed-off-by: 零中断延迟的RTOS <cosyos@139.com>
2026-10-06 04:59:34 +08:00 · 2026-07-04 13:24:38 +00:00
parent a036aabfc5
commit e8a581f374
1 changed files with 2 additions and 2 deletions
@@ -180,7 +180,7 @@ __LOOP          mov     rx, r1
                strh    r2, [rx]
                cmp     rx, r1
                bne     __LOOP
-                dmb
+
                cmp     r3, #0
                beq     __RESrx
                ldr     rx, =mPendSV_FIFO_X
@@ -376,7 +376,7 @@ void mPendSV_FIFOLoader(void *sv)
               "strh    r2, "sDefStr([rx] \n)
               "cmp     "sDefStr(rx)", r1 \n"
               "bne     __LOOP \n"
-               "dmb \n"
+
               "cmp     r3, #0 \n"
               "beq     __RESrx \n"
               "ldr     "sDefStr(rx)", =mPendSV_FIFO_X \n"