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arm: cortex-m: clean up some more hard-coded constants in swap_helper

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Clean up a few more hard-coded constants
in swap_helper.S and replace them with
CMSIS-like defines in cpu.h. No behavioral
changes in this commit.

Signed-off-by: Ioannis Glaropoulos <Ioannis.Glaropoulos@nordicsemi.no>
This commit is contained in:
Ioannis Glaropoulos 2021-06-22 22:15:51 +02:00 • committed by Christopher Friedt
commit a8d6c14d30
2 changed files with 17 additions and 6 deletions
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9
include/arch/arm/aarch32/cortex_m/cpu.h
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@ -10,12 +10,21 @@
#ifdef _ASMLANGUAGE
#define _SCS_BASE_ADDR _PPB_INT_SCS
/* ICSR defines */
#define _SCS_ICSR (_SCS_BASE_ADDR + 0xd04)
#define _SCS_ICSR_PENDSV (1 << 28)
#define _SCS_ICSR_UNPENDSV (1 << 27)
#define _SCS_ICSR_RETTOBASE (1 << 11)
#define _SCS_MPU_CTRL (_SCS_BASE_ADDR + 0xd94)
/* CONTROL defines */
#define _CONTROL_FPCA_Msk (1 << 2)
/* EXC_RETURN defines */
#define _EXC_RETURN_SPSEL_Msk (1 << 2)
#define _EXC_RETURN_FTYPE_Msk (1 << 4)
#endif
#endif