Mainstackpointer

TheStackPointer(SP)isregisterR13.InThreadmode,bit[1]oftheCONTROLregisterindicatesthestackpointertouse:0:MainStackPointer(MSP).,,MainStackPointer(MSP):默認的StackPointer,通常是OSKernel和Exceptionhandlers使用·ProcessStackPointer(PSP):UserApplicationcode使用.,MainStackPointer(MSP)isthedefaultstackpointer.ItisusedintheThreadmodewhentheCONTROLbit[1](SPSEL)is0,anditisalwaysusedinHandlermode ...,只...

2.5.1.3.2 Stack Pointer

The Stack Pointer (SP) is register R13. In Thread mode, bit[1] of the CONTROL register indicates the stack pointer to use: 0: Main Stack Pointer (MSP).

Day.9 進入ARM 世界: ARM Cortex-M 暫存器介紹

Main Stack Pointer (MSP):默認的Stack Pointer,通常是OS Kernel 和Exception handlers 使用 · Process Stack Pointer (PSP):User Application code 使用.

Main Stack Pointer

Main Stack Pointer (MSP) is the default stack pointer. It is used in the Thread mode when the CONTROL bit[1] (SPSEL) is 0, and it is always used in Handler mode ...

rtenv+

只有在exception發生時進入,且必為Privileged。 Main and Process Stacks. MSP:Main Stack Pointer. 一開始程式進入即為MSP. PSP:Process Stack Pointer. 這是 ...

Main Stack Pointer(MSP) vs Process Stack Pointer(PSP)

2018年10月29日 — The idea is that the PSP or process stack pointer is used by the individual tasks, and the kernel uses the MSP . When ...

Arm Cortex

The processor uses a full descending stack. This means that the stack pointer holds the address of the last stacked item in memory.

What is a stack pointer?

A stack pointer is a register used by programs to store the memory address which stores data such as parameters, local variables and other information.

Use case of MSP and PSP in Cortex M

2014年9月15日 — Usually, you would configure the operating system toy use Main Stack Pointer (MSP) and user applications to use Process Stack Pointer (PSP).