mirror of
https://github.com/projectacrn/acrn-hypervisor.git
synced 2025-09-29 12:35:48 +00:00
7cbb5f1cd0
internal commit: 0ab1ea615e5cfbb0687a9d593a86a7b774386076 Signed-off-by: Anthony Xu <anthony.xu@intel.com>
140 lines
3.5 KiB
C
140 lines
3.5 KiB
C
#ifndef _TYPES_H_
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#define _TYPES_H_
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#include "macros.h"
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#include <stdint.h>
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#include <sched.h>
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#include <sys/types.h>
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#define MAXCOMLEN 19 /* max command name remembered */
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#define MAXINTERP PATH_MAX /* max interpreter file name length */
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#define MAXLOGNAME 33 /* max login name length (incl. NUL) */
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#define SPECNAMELEN 63 /* max length of devicename */
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typedef cpu_set_t cpuset_t;
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typedef uint64_t vm_paddr_t;
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typedef uint64_t vm_ooffset_t;
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typedef uint64_t cap_ioctl_t;
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#define ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0]))
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#define __aligned(x) __attribute__((aligned(x)))
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#define __section(x) __attribute__((__section__(x)))
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#define __MAKE_SET(set, sym) \
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static void const * const __set_##set##_sym_##sym \
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__section("set_" #set) __attribute__((used)) = &sym
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#define DATA_SET(set, sym) __MAKE_SET(set, sym)
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#define SET_DECLARE(set, ptype)\
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extern ptype * __CONCAT(__start_set_, set); \
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extern ptype *__CONCAT(__stop_set_, set)
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#define SET_BEGIN(set) \
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(&__CONCAT(__start_set_, set))
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#define SET_LIMIT(set) \
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(&__CONCAT(__stop_set_, set))
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#define SET_FOREACH(pvar, set) \
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for (pvar = SET_BEGIN(set); pvar < SET_LIMIT(set); pvar++)
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#define nitems(x) (sizeof((x)) / sizeof((x)[0]))
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#define roundup2(x, y) (((x)+((y)-1))&(~((y)-1)))
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#define rounddown2(x, y) ((x)&(~((y)-1)))
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static inline uint16_t
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be16dec(const void *pp)
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{
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uint8_t const *p = (uint8_t const *)pp;
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return ((p[0] << 8) | p[1]);
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}
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static inline uint32_t
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be32dec(const void *pp)
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{
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uint8_t const *p = (uint8_t const *)pp;
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return (((uint32_t)p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3]);
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}
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static inline void
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be16enc(void *pp, uint16_t u)
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{
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uint8_t *p = (uint8_t *)pp;
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p[0] = (u >> 8) & 0xff;
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p[1] = u & 0xff;
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}
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static inline void
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be32enc(void *pp, uint32_t u)
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{
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uint8_t *p = (uint8_t *)pp;
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p[0] = (u >> 24) & 0xff;
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p[1] = (u >> 16) & 0xff;
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p[2] = (u >> 8) & 0xff;
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p[3] = u & 0xff;
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}
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static inline int
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flsl(uint64_t mask)
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{
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return mask ? 64 - __builtin_clzl(mask) : 0;
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}
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/* memory barrier */
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#define mb() ({ asm volatile("mfence" ::: "memory"); (void)0; })
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static inline void
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do_cpuid(u_int ax, u_int *p)
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{
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__asm __volatile("cpuid"
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: "=a" (p[0]), "=b" (p[1]), "=c" (p[2]), "=d" (p[3])
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: "0" (ax));
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}
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#define UGETW(w) \
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((w)[0] | \
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(((uint16_t)((w)[1])) << 8))
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#define UGETDW(w) \
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((w)[0] | \
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(((uint16_t)((w)[1])) << 8) | \
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(((uint32_t)((w)[2])) << 16) | \
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(((uint32_t)((w)[3])) << 24))
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#define UGETQW(w) \
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((w)[0] | \
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(((uint16_t)((w)[1])) << 8) | \
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(((uint32_t)((w)[2])) << 16) | \
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(((uint32_t)((w)[3])) << 24) | \
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(((uint64_t)((w)[4])) << 32) | \
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(((uint64_t)((w)[5])) << 40) | \
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(((uint64_t)((w)[6])) << 48) | \
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(((uint64_t)((w)[7])) << 56))
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#define USETW(w, v) do { \
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(w)[0] = (uint8_t)(v); \
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(w)[1] = (uint8_t)((v) >> 8); \
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} while (0)
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#define USETDW(w, v) do { \
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(w)[0] = (uint8_t)(v); \
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(w)[1] = (uint8_t)((v) >> 8); \
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(w)[2] = (uint8_t)((v) >> 16); \
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(w)[3] = (uint8_t)((v) >> 24); \
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} while (0)
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#define USETQW(w, v) do { \
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(w)[0] = (uint8_t)(v); \
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(w)[1] = (uint8_t)((v) >> 8); \
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(w)[2] = (uint8_t)((v) >> 16); \
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(w)[3] = (uint8_t)((v) >> 24); \
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(w)[4] = (uint8_t)((v) >> 32); \
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(w)[5] = (uint8_t)((v) >> 40); \
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(w)[6] = (uint8_t)((v) >> 48); \
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(w)[7] = (uint8_t)((v) >> 56); \
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} while (0)
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#endif
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