diff options
Diffstat (limited to 'nuttx/arch/arm')
| -rw-r--r-- | nuttx/arch/arm/src/armv6-m/vfork.S | 5 | ||||
| -rw-r--r-- | nuttx/arch/arm/src/common/up_vfork.c | 7 |
2 files changed, 6 insertions, 6 deletions
diff --git a/nuttx/arch/arm/src/armv6-m/vfork.S b/nuttx/arch/arm/src/armv6-m/vfork.S index 0e9b9790d..112d2d88d 100644 --- a/nuttx/arch/arm/src/armv6-m/vfork.S +++ b/nuttx/arch/arm/src/armv6-m/vfork.S @@ -119,9 +119,8 @@ vfork: mov r6, r10 mov r7, fp stmia r1!, {r4-r7} /* Save r8-r10 and fp in the structure */ - str r0, [r1, #0] /* Save the stack pointer in the structure */ - mov r0, r14 /* Copy lr to a low registers */ - str r0, [r1, #0] /* Save the stack pointer in the structure */ + mov r5, lr /* Copy lr to a low register */ + stmia r1!, {r0,r5} /* Save sp and lr in the structure */ /* Then, call up_vfork(), passing it a pointer to the stack structure */ diff --git a/nuttx/arch/arm/src/common/up_vfork.c b/nuttx/arch/arm/src/common/up_vfork.c index a6fe6c873..6340cb3b8 100644 --- a/nuttx/arch/arm/src/common/up_vfork.c +++ b/nuttx/arch/arm/src/common/up_vfork.c @@ -134,11 +134,12 @@ pid_t up_vfork(const struct vfork_s *context) uint32_t stackutil; int ret; - svdbg("r4:%08x r5:%08x r6:%08x r7:%08x\n", + svdbg("vfork context [%p]:\n", context); + svdbg(" r4:%08x r5:%08x r6:%08x r7:%08x\n", context->r4, context->r5, context->r6, context->r7); - svdbg("r8:%08x r9:%08x r10:%08x\n", + svdbg(" r8:%08x r9:%08x r10:%08x\n", context->r8, context->r9, context->r10); - svdbg("fp:%08x sp:%08x lr:%08x\n", + svdbg(" fp:%08x sp:%08x lr:%08x\n", context->fp, context->sp, context->lr); /* Allocate and initialize a TCB for the child task. */ |