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Diffstat (limited to 'kernel/arch/sh/include/cpu-sh5/cpu/registers.h')
| -rw-r--r-- | kernel/arch/sh/include/cpu-sh5/cpu/registers.h | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/kernel/arch/sh/include/cpu-sh5/cpu/registers.h b/kernel/arch/sh/include/cpu-sh5/cpu/registers.h new file mode 100644 index 000000000..6664ea6f1 --- /dev/null +++ b/kernel/arch/sh/include/cpu-sh5/cpu/registers.h @@ -0,0 +1,106 @@ +#ifndef __ASM_SH_CPU_SH5_REGISTERS_H +#define __ASM_SH_CPU_SH5_REGISTERS_H + +/* + * include/asm-sh/cpu-sh5/registers.h + * + * Copyright (C) 2000, 2001 Paolo Alberelli + * Copyright (C) 2004 Richard Curnow + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ + +#ifdef __ASSEMBLY__ +/* ===================================================================== +** +** Section 1: acts on assembly sources pre-processed by GPP ( <source.S>). +** Assigns symbolic names to control & target registers. +*/ + +/* + * Define some useful aliases for control registers. + */ +#define SR cr0 +#define SSR cr1 +#define PSSR cr2 + /* cr3 UNDEFINED */ +#define INTEVT cr4 +#define EXPEVT cr5 +#define PEXPEVT cr6 +#define TRA cr7 +#define SPC cr8 +#define PSPC cr9 +#define RESVEC cr10 +#define VBR cr11 + /* cr12 UNDEFINED */ +#define TEA cr13 + /* cr14-cr15 UNDEFINED */ +#define DCR cr16 +#define KCR0 cr17 +#define KCR1 cr18 + /* cr19-cr31 UNDEFINED */ + /* cr32-cr61 RESERVED */ +#define CTC cr62 +#define USR cr63 + +/* + * ABI dependent registers (general purpose set) + */ +#define RET r2 +#define ARG1 r2 +#define ARG2 r3 +#define ARG3 r4 +#define ARG4 r5 +#define ARG5 r6 +#define ARG6 r7 +#define SP r15 +#define LINK r18 +#define ZERO r63 + +/* + * Status register defines: used only by assembly sources (and + * syntax independednt) + */ +#define SR_RESET_VAL 0x0000000050008000 +#define SR_HARMLESS 0x00000000500080f0 /* Write ignores for most */ +#define SR_ENABLE_FPU 0xffffffffffff7fff /* AND with this */ + +#if defined (CONFIG_SH64_SR_WATCH) +#define SR_ENABLE_MMU 0x0000000084000000 /* OR with this */ +#else +#define SR_ENABLE_MMU 0x0000000080000000 /* OR with this */ +#endif + +#define SR_UNBLOCK_EXC 0xffffffffefffffff /* AND with this */ +#define SR_BLOCK_EXC 0x0000000010000000 /* OR with this */ + +#else /* Not __ASSEMBLY__ syntax */ + +/* +** Stringify reg. name +*/ +#define __str(x) #x + +/* Stringify control register names for use in inline assembly */ +#define __SR __str(SR) +#define __SSR __str(SSR) +#define __PSSR __str(PSSR) +#define __INTEVT __str(INTEVT) +#define __EXPEVT __str(EXPEVT) +#define __PEXPEVT __str(PEXPEVT) +#define __TRA __str(TRA) +#define __SPC __str(SPC) +#define __PSPC __str(PSPC) +#define __RESVEC __str(RESVEC) +#define __VBR __str(VBR) +#define __TEA __str(TEA) +#define __DCR __str(DCR) +#define __KCR0 __str(KCR0) +#define __KCR1 __str(KCR1) +#define __CTC __str(CTC) +#define __USR __str(USR) + +#endif /* __ASSEMBLY__ */ +#endif /* __ASM_SH_CPU_SH5_REGISTERS_H */ |