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Alfred Gedeon 2020-07-01 22:27:40 -07:00 • committed by alfred gedeon
parent a5dbc2b1de
commit 718178c68a
406 changed files with 108795 additions and 106323 deletions
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156
portable/GCC/RL78/isr_support.h
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@ -25,8 +25,8 @@
*/
/* Variables used by scheduler */
.extern _pxCurrentTCB
.extern _usCriticalNesting
.extern _pxCurrentTCB
.extern _usCriticalNesting
/*
* portSAVE_CONTEXT MACRO
@ -34,47 +34,47 @@
* memory mode) registers the usCriticalNesting Value and the Stack Pointer
* of the active Task onto the task stack
*/
.macro portSAVE_CONTEXT
.macro portSAVE_CONTEXT
SEL RB0
SEL RB0
/* Save AX Register to stack. */
PUSH AX
PUSH HL
/* Save CS register. */
MOV A, CS
XCH A, X
/* Save ES register. */
MOV A, ES
PUSH AX
/* Save the remaining general purpose registers from bank 0. */
PUSH DE
PUSH BC
/* Save the other register banks - only necessary in the GCC port. */
SEL RB1
PUSH AX
PUSH BC
PUSH DE
PUSH HL
SEL RB2
PUSH AX
PUSH BC
PUSH DE
PUSH HL
/* Registers in bank 3 are for ISR use only so don't need saving. */
SEL RB0
/* Save the usCriticalNesting value. */
MOVW AX, !_usCriticalNesting
PUSH AX
/* Save the Stack pointer. */
MOVW AX, !_pxCurrentTCB
MOVW HL, AX
MOVW AX, SP
MOVW [HL], AX
/* Switch stack pointers. */
movw sp,#_stack /* Set stack pointer */
/* Save AX Register to stack. */
PUSH AX
PUSH HL
/* Save CS register. */
MOV A, CS
XCH A, X
/* Save ES register. */
MOV A, ES
PUSH AX
/* Save the remaining general purpose registers from bank 0. */
PUSH DE
PUSH BC
/* Save the other register banks - only necessary in the GCC port. */
SEL RB1
PUSH AX
PUSH BC
PUSH DE
PUSH HL
SEL RB2
PUSH AX
PUSH BC
PUSH DE
PUSH HL
/* Registers in bank 3 are for ISR use only so don't need saving. */
SEL RB0
/* Save the usCriticalNesting value. */
MOVW AX, !_usCriticalNesting
PUSH AX
/* Save the Stack pointer. */
MOVW AX, !_pxCurrentTCB
MOVW HL, AX
MOVW AX, SP
MOVW[ HL ], AX
/* Switch stack pointers. */
movw sp, # _stack /* Set stack pointer */
.endm
.endm
/*
@ -83,43 +83,43 @@
* general purpose registers and the CS and ES (only in far memory mode)
* of the selected task from the task stack
*/
.macro portRESTORE_CONTEXT MACRO
SEL RB0
/* Restore the Stack pointer. */
MOVW AX, !_pxCurrentTCB
MOVW HL, AX
MOVW AX, [HL]
MOVW SP, AX
/* Restore usCriticalNesting value. */
POP AX
MOVW !_usCriticalNesting, AX
/* Restore the alternative register banks - only necessary in the GCC
port. Register bank 3 is dedicated for interrupts use so is not saved or
restored. */
SEL RB2
POP HL
POP DE
POP BC
POP AX
SEL RB1
POP HL
POP DE
POP BC
POP AX
SEL RB0
/* Restore the necessary general purpose registers. */
POP BC
POP DE
/* Restore the ES register. */
POP AX
MOV ES, A
/* Restore the CS register. */
XCH A, X
MOV CS, A
/* Restore general purpose register HL. */
POP HL
/* Restore AX. */
POP AX
.macro portRESTORE_CONTEXT MACRO
SEL RB0
/* Restore the Stack pointer. */
MOVW AX, !_pxCurrentTCB
MOVW HL, AX
MOVW AX, [ HL ]
MOVW SP, AX
/* Restore usCriticalNesting value. */
POP AX
MOVW !_usCriticalNesting, AX
.endm
/* Restore the alternative register banks - only necessary in the GCC
* port. Register bank 3 is dedicated for interrupts use so is not saved or
* restored. */
SEL RB2
POP HL
POP DE
POP BC
POP AX
SEL RB1
POP HL
POP DE
POP BC
POP AX
SEL RB0
/* Restore the necessary general purpose registers. */
POP BC
POP DE
/* Restore the ES register. */
POP AX
MOV ES, A
/* Restore the CS register. */
XCH A, X
MOV CS, A
/* Restore general purpose register HL. */
POP HL
/* Restore AX. */
POP AX
.endm