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usr
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lib
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modules
/
6.8.0-83-generic
/
build
/
arch
/
sparc
/
include
/
uapi
/
asm
/ [
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psrcompat.h
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _SPARC64_PSRCOMPAT_H #define _SPARC64_PSRCOMPAT_H #include <asm/pstate.h> /* Old 32-bit PSR fields for the compatibility conversion code. */ #define PSR_CWP 0x0000001f /* current window pointer */ #define PSR_ET 0x00000020 /* enable traps field */ #define PSR_PS 0x00000040 /* previous privilege level */ #define PSR_S 0x00000080 /* current privilege level */ #define PSR_PIL 0x00000f00 /* processor interrupt level */ #define PSR_EF 0x00001000 /* enable floating point */ #define PSR_EC 0x00002000 /* enable co-processor */ #define PSR_SYSCALL 0x00004000 /* inside of a syscall */ #define PSR_LE 0x00008000 /* SuperSparcII little-endian */ #define PSR_ICC 0x00f00000 /* integer condition codes */ #define PSR_C 0x00100000 /* carry bit */ #define PSR_V 0x00200000 /* overflow bit */ #define PSR_Z 0x00400000 /* zero bit */ #define PSR_N 0x00800000 /* negative bit */ #define PSR_VERS 0x0f000000 /* cpu-version field */ #define PSR_IMPL 0xf0000000 /* cpu-implementation field */ #define PSR_V8PLUS 0xff000000 /* fake impl/ver, meaning a 64bit CPU is present */ #define PSR_XCC 0x000f0000 /* if PSR_V8PLUS, this is %xcc */ static inline unsigned int tstate_to_psr(unsigned long tstate) { return ((tstate & TSTATE_CWP) | PSR_S | ((tstate & TSTATE_ICC) >> 12) | ((tstate & TSTATE_XCC) >> 20) | ((tstate & TSTATE_SYSCALL) ? PSR_SYSCALL : 0) | PSR_V8PLUS); } static inline unsigned long psr_to_tstate_icc(unsigned int psr) { unsigned long tstate = ((unsigned long)(psr & PSR_ICC)) << 12; if ((psr & (PSR_VERS|PSR_IMPL)) == PSR_V8PLUS) tstate |= ((unsigned long)(psr & PSR_XCC)) << 20; return tstate; } #endif /* !(_SPARC64_PSRCOMPAT_H) */
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