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/*
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/*
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 * Copyright (C) 2006 Martin Decky
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 * Copyright (C) 2005 Jakub Jermar
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 * All rights reserved.
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 * All rights reserved.
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 *
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * modification, are permitted provided that the following conditions
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 * are met:
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 * are met:
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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 */
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/** @addtogroup libcsparc64
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/** @addtogroup libcsparc64
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 * @{
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 * @{
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 */
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 */
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/** @file
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/** @file
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 */
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 */
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#ifndef __LIBC__sparc64__PSTHREAD_H__
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#ifndef LIBC_sparc64_PSTHREAD_H_
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#define __LIBC__sparc64__PSTHREAD_H__
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#define LIBC_sparc64_PSTHREAD_H_
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#include <libarch/stack.h>
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#include <types.h>
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#include <types.h>
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#include <align.h>
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/* We define our own context_set, because we need to set
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 * the TLS pointer to the tcb+0x7000
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 *
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 * See tls_set in thread.h
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 */
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#define context_set(c, _pc, stack, size, ptls)          \
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#define SP_DELTA    STACK_WINDOW_SAVE_AREA_SIZE
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    (c)->pc = (sysarg_t) (_pc);             \
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    (c)->sp = ((sysarg_t) (stack)) + (size) - SP_DELTA;     \
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    (c)->tls = ((sysarg_t) (ptls)) + 0x7000 + sizeof(tcb_t);
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#ifdef context_set
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#define SP_DELTA    16
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#undef context_set
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#endif
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typedef struct {
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#define context_set(c, _pc, stack, size, ptls)                              \
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    uint64_t sp;
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    (c)->pc = ((uintptr_t) _pc) - 8;                                \
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    (c)->sp = ((uintptr_t) stack) + ALIGN_UP((size), STACK_ALIGNMENT) - (STACK_BIAS + SP_DELTA);    \
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    (c)->fp = -STACK_BIAS;                                      \
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    uint64_t pc;
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    (c)->tp = ptls
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/*
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 * Only save registers that must be preserved across
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 * function calls.
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 */
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typedef struct {
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    uintptr_t sp;       /* %o6 */
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    uintptr_t pc;       /* %o7 */
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    uint64_t i0;
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    uint64_t i1;
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    uint64_t i2;
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    uint64_t i3;
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    uint64_t i4;
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    uint64_t i5;
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    uintptr_t fp;       /* %i6 */
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    uintptr_t i7;
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    uint64_t l0;
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    uint64_t l1;
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    uint64_t l2;
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    uint64_t l3;
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    uint64_t tls;
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    uint64_t l4;
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    uint64_t l5;
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    uint64_t l6;
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    uint64_t l7;
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    uint64_t tp;        /* %g7 */
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} __attribute__ ((packed)) context_t;
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} context_t;
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#endif
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#endif
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/** @}
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/** @}
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 */
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 */