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Annotation of qemu/roms/openbios/arch/sparc64/context.h, revision 1.1

1.1     ! root        1: #ifndef SPARC64_CONTEXT_H
        !             2: #define SPARC64_CONTEXT_H
        !             3: 
        !             4: #define STACK_BIAS             2047
        !             5: 
        !             6: struct context {
        !             7:     /* General registers */
        !             8:     uint64_t regs[32];
        !             9:     uint64_t pc;
        !            10:     uint64_t npc;
        !            11: #define REG_O0 8
        !            12: #define REG_SP 14
        !            13: #define SP_LOC(ctx) (&(ctx)->regs[REG_SP])
        !            14:     /* Flags */
        !            15:     /* Optional stack contents */
        !            16:     uint64_t return_addr;
        !            17:     uint64_t param[0];
        !            18: };
        !            19: 
        !            20: /* Create a new context in the given stack */
        !            21: struct context *
        !            22: init_context(uint8_t *stack, uint64_t stack_size, int num_param);
        !            23: 
        !            24: /* Switch context */
        !            25: struct context *switch_to(struct context *);
        !            26: 
        !            27: /* Holds physical address of boot context */
        !            28: extern unsigned long __boot_ctx;
        !            29: 
        !            30: /* This can always be safely used to refer to the boot context */
        !            31: #define boot_ctx ((struct context *) phys_to_virt(__boot_ctx))
        !            32: 
        !            33: #endif /* SPARC64_CONTEXT_H */

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