From e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb Mon Sep 17 00:00:00 2001 From: Yang Zhang Date: Fri, 28 Aug 2015 09:58:54 +0800 Subject: Add qemu 2.4.0 Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5 Signed-off-by: Yang Zhang --- qemu/roms/openbios/arch/sparc64/context.h | 33 +++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 qemu/roms/openbios/arch/sparc64/context.h (limited to 'qemu/roms/openbios/arch/sparc64/context.h') diff --git a/qemu/roms/openbios/arch/sparc64/context.h b/qemu/roms/openbios/arch/sparc64/context.h new file mode 100644 index 000000000..2756fa15f --- /dev/null +++ b/qemu/roms/openbios/arch/sparc64/context.h @@ -0,0 +1,33 @@ +#ifndef SPARC64_CONTEXT_H +#define SPARC64_CONTEXT_H + +#define STACK_BIAS 2047 + +struct context { + /* General registers */ + uint64_t regs[32]; + uint64_t pc; + uint64_t npc; +#define REG_O0 8 +#define REG_SP 14 +#define SP_LOC(ctx) (&(ctx)->regs[REG_SP]) + /* Flags */ + /* Optional stack contents */ + uint64_t return_addr; + uint64_t param[0]; +}; + +/* Create a new context in the given stack */ +struct context * +init_context(uint8_t *stack, uint64_t stack_size, int num_param); + +/* Switch context */ +struct context *switch_to(struct context *); + +/* Holds physical address of boot context */ +extern unsigned long __boot_ctx; + +/* This can always be safely used to refer to the boot context */ +#define boot_ctx ((struct context *) phys_to_virt(__boot_ctx)) + +#endif /* SPARC64_CONTEXT_H */ -- cgit 1.2.3-korg