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Annotation of qemu/roms/openbios/arch/sparc64/context.h, revision 1.1.1.1

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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