URL https://opencores.org/ocsvn/an-fpga-implementation-of-low-latency-noc-based-mpsoc/an-fpga-implementation-of-low-latency-noc-based-mpsoc/trunk

Subversion Repositories an-fpga-implementation-of-low-latency-noc-based-mpsoc

[/] [an-fpga-implementation-of-low-latency-noc-based-mpsoc/] [trunk/] [mpsoc/] [src_processor/] [aeMB/] [sw/] [aemb/] [stack.hh] - Diff between revs 17 and 48

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Rev 17	Rev 48
Line 34...	Line 34...
`/**`	`/**`
`Reads the size of the memory space allocated for the stack in bytes.`	`Reads the size of the memory space allocated for the stack in bytes.`
`@return size of stack`	`@return size of stack`
`*/`	`*/`

`inline int aembGetStackSize()`	`static inline int aembGetStackSize()`
`{`	`{`
`int tmp;`	`int tmp;`
`asm ("la %0, r0, _STACK_SIZE":"=r"(tmp));`	`asm ("la %0, r0, _STACK_SIZE":"=r"(tmp));`
`return tmp;`	`return tmp;`
`}`	`}`
Line 47...	Line 47...
`Reads the end of the memory space allocated for the stack. This is`	`Reads the end of the memory space allocated for the stack. This is`
`where the stack ends.`	`where the stack ends.`
`@return end of stack`	`@return end of stack`
`*/`	`*/`

`inline int aembGetStackEnd()`	`static inline int aembGetStackEnd()`
`{`	`{`
`int tmp;`	`int tmp;`
`asm ("la %0, r0, _stack_end":"=r"(tmp));`	`asm ("la %0, r0, _stack_end":"=r"(tmp));`
`return tmp;`	`return tmp;`
`}`	`}`
Line 60...	Line 60...
`Reads the top of the memory space allocated for the stack. This is`	`Reads the top of the memory space allocated for the stack. This is`
`where the stack starts.`	`where the stack starts.`
`@return top of stack`	`@return top of stack`
`*/`	`*/`

`inline int aembGetStackTop()`	`static inline int aembGetStackTop()`
`{`	`{`
`int tmp;`	`int tmp;`
`asm ("la %0, r0, _stack":"=r"(tmp));`	`asm ("la %0, r0, _stack":"=r"(tmp));`
`return tmp;`	`return tmp;`
`}`	`}`
Line 72...	Line 72...
`/**`	`/**`
`Reads register R1 which is the designated stack pointer.`	`Reads register R1 which is the designated stack pointer.`
`@return stack pointer`	`@return stack pointer`
`*/`	`*/`

`inline int aembGetStack()`	`static inline int aembGetStack()`
`{`	`{`
`int tmp;`	`int tmp;`
`asm ("addk %0, r0, r1":"=r"(tmp));`	`asm ("addk %0, r0, r1":"=r"(tmp));`
`return tmp;`	`return tmp;`
`}`	`}`
Line 85...	Line 85...
`Sets register R1 to the new stack pointer.`	`Sets register R1 to the new stack pointer.`
`@param stk new stack pointer`	`@param stk new stack pointer`
`@return new stack pointer`	`@return new stack pointer`
`*/`	`*/`

`inline int aembSetStack(int stk)`	`static inline int aembSetStack(int stk)`
`{`	`{`
`asm ("addk r1, r0, %0"::"r"(stk));`	`asm ("addk r1, r0, %0"::"r"(stk));`
`return stk;`	`return stk;`
`}`	`}`

Line 98...	Line 98...
`@param newp new stack pointer`	`@param newp new stack pointer`
`@param oldp old stack pointer`	`@param oldp old stack pointer`
`@param endp end of the stack`	`@param endp end of the stack`
`*/`	`*/`

`inline void aembDupStack(unsigned int newp, unsigned int oldp, unsigned int *endp)`	`static inline void aembDupStack(unsigned int newp, unsigned int oldp, unsigned int *endp)`
`{`	`{`
`while (oldp < endp)`	`while (oldp < endp)`
`{`	`{`
`// copy the stack content`	`// copy the stack content`
`newp = oldp;`	`newp = oldp;`

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[/] [an-fpga-implementation-of-low-latency-noc-based-mpsoc/] [trunk/] [mpsoc/] [src_processor/] [aeMB/] [sw/] [aemb/] [stack.hh] - Diff between revs 17 and 48