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authorYang Zhang <yang.z.zhang@intel.com>2015-08-28 09:58:54 +0800
committerYang Zhang <yang.z.zhang@intel.com>2015-09-01 12:44:00 +0800
commite44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch)
tree66b09f592c55df2878107a468a91d21506104d3f /qemu/roms/openbios/arch/sparc64/context.h
parent9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff)
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5 Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/roms/openbios/arch/sparc64/context.h')
-rw-r--r--qemu/roms/openbios/arch/sparc64/context.h33
1 files changed, 33 insertions, 0 deletions
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 */