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author | Russell King <rmk+kernel@arm.linux.org.uk> | 2013-06-29 14:44:43 +0400 |
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committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2013-06-29 14:44:43 +0400 |
commit | 3c0c01ab742ddfaf6b6f2d64b890e77cda4b7727 (patch) | |
tree | d0f196c53d209f44190fd8a6481823b7770866e6 /arch/arm/include/asm/v7m.h | |
parent | cbd379b10019617457bda31eb243890f4377fa3e (diff) | |
parent | 809e660f438fc5a69bf57630a85bcd8112263f37 (diff) | |
download | linux-3c0c01ab742ddfaf6b6f2d64b890e77cda4b7727.tar.xz |
Merge branch 'devel-stable' into for-next
Conflicts:
arch/arm/Makefile
arch/arm/include/asm/glue-proc.h
Diffstat (limited to 'arch/arm/include/asm/v7m.h')
-rw-r--r-- | arch/arm/include/asm/v7m.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/arch/arm/include/asm/v7m.h b/arch/arm/include/asm/v7m.h new file mode 100644 index 000000000000..fa88d09fa3d9 --- /dev/null +++ b/arch/arm/include/asm/v7m.h @@ -0,0 +1,44 @@ +/* + * Common defines for v7m cpus + */ +#define V7M_SCS_ICTR IOMEM(0xe000e004) +#define V7M_SCS_ICTR_INTLINESNUM_MASK 0x0000000f + +#define BASEADDR_V7M_SCB IOMEM(0xe000ed00) + +#define V7M_SCB_CPUID 0x00 + +#define V7M_SCB_ICSR 0x04 +#define V7M_SCB_ICSR_PENDSVSET (1 << 28) +#define V7M_SCB_ICSR_PENDSVCLR (1 << 27) +#define V7M_SCB_ICSR_RETTOBASE (1 << 11) + +#define V7M_SCB_VTOR 0x08 + +#define V7M_SCB_SCR 0x10 +#define V7M_SCB_SCR_SLEEPDEEP (1 << 2) + +#define V7M_SCB_CCR 0x14 +#define V7M_SCB_CCR_STKALIGN (1 << 9) + +#define V7M_SCB_SHPR2 0x1c +#define V7M_SCB_SHPR3 0x20 + +#define V7M_SCB_SHCSR 0x24 +#define V7M_SCB_SHCSR_USGFAULTENA (1 << 18) +#define V7M_SCB_SHCSR_BUSFAULTENA (1 << 17) +#define V7M_SCB_SHCSR_MEMFAULTENA (1 << 16) + +#define V7M_xPSR_FRAMEPTRALIGN 0x00000200 +#define V7M_xPSR_EXCEPTIONNO 0x000001ff + +/* + * When branching to an address that has bits [31:28] == 0xf an exception return + * occurs. Bits [27:5] are reserved (SBOP). If the processor implements the FP + * extension Bit [4] defines if the exception frame has space allocated for FP + * state information, SBOP otherwise. Bit [3] defines the mode that is returned + * to (0 -> handler mode; 1 -> thread mode). Bit [2] defines which sp is used + * (0 -> msp; 1 -> psp). Bits [1:0] are fixed to 0b01. + */ +#define EXC_RET_STACK_MASK 0x00000004 +#define EXC_RET_THREADMODE_PROCESSSTACK 0xfffffffd |