Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / arch / avr32 / include / asm / processor.h

diff --git a/qemu/roms/u-boot/arch/avr32/include/asm/processor.h b/qemu/roms/u-boot/arch/avr32/include/asm/processor.h
new file mode 100644 (file)
index 0000000..74d868c
--- /dev/null
+++ b/qemu/roms/u-boot/arch/avr32/include/asm/processor.h
@@ -0,0 +1,81 @@
+/*
+ * Copyright (C) 2006 Atmel Corporation
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+#ifndef __ASM_AVR32_PROCESSOR_H
+#define __ASM_AVR32_PROCESSOR_H
+
+#ifndef __ASSEMBLY__
+
+#define current_text_addr() ({ void *pc; __asm__("mov %0,pc" : "=r"(pc)); pc; })
+
+struct avr32_cpuinfo {
+       unsigned long loops_per_jiffy;
+};
+
+extern struct avr32_cpuinfo boot_cpu_data;
+
+#ifdef CONFIG_SMP
+extern struct avr32_cpuinfo cpu_data[];
+#define current_cpu_data cpu_data[smp_processor_id()]
+#else
+#define cpu_data (&boot_cpu_data)
+#define current_cpu_data boot_cpu_data
+#endif
+
+/* TODO: Make configurable (2GB will serve as a reasonable default) */
+#define TASK_SIZE      0x80000000
+
+/* This decides where the kernel will search for a free chunk of vm
+ * space during mmap's
+ */
+#define TASK_UNMAPPED_BASE     (TASK_SIZE / 3)
+
+#define cpu_relax()            barrier()
+#define cpu_sync_pipeline()    asm volatile("sub pc, -2" : : : "memory")
+
+/* This struct contains the CPU context as stored by switch_to() */
+struct thread_struct {
+       unsigned long pc;
+       unsigned long ksp;      /* Kernel stack pointer */
+       unsigned long r7;
+       unsigned long r6;
+       unsigned long r5;
+       unsigned long r4;
+       unsigned long r3;
+       unsigned long r2;
+       unsigned long r1;
+       unsigned long r0;
+};
+
+#define INIT_THREAD {                                          \
+       .ksp = sizeof(init_stack) + (long)&init_stack,          \
+}
+
+/*
+ * Do necessary setup to start up a newly executed thread.
+ */
+#define start_thread(regs, new_pc, new_sp)      \
+       set_fs(USER_DS);                         \
+       regs->sr = 0;           /* User mode. */ \
+       regs->gr[REG_PC] = new_pc;               \
+       regs->gr[REG_SP] = new_sp
+
+struct task_struct;
+
+/* Free all resources held by a thread */
+extern void release_thread(struct task_struct *);
+
+/* Create a kernel thread without removing it from tasklists */
+extern int kernel_thread(int (*fn)(void *), void *arg, unsigned long flags);
+
+/* Prepare to copy thread state - unlazy all lazy status */
+#define prepare_to_copy(tsk) do { } while(0)
+
+/* Return saved PC of a blocked thread */
+#define thread_saved_pc(tsk)    (tsk->thread.pc)
+
+#endif /* __ASSEMBLY__ */
+
+#endif /* __ASM_AVR32_PROCESSOR_H */