Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / arch / sandbox / cpu / cpu.c

diff --git a/qemu/roms/u-boot/arch/sandbox/cpu/cpu.c b/qemu/roms/u-boot/arch/sandbox/cpu/cpu.c
new file mode 100644 (file)
index 0000000..3f4005b
--- /dev/null
+++ b/qemu/roms/u-boot/arch/sandbox/cpu/cpu.c
@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 2011 The Chromium OS Authors.
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <common.h>
+#include <os.h>
+#include <asm/state.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+void reset_cpu(ulong ignored)
+{
+       if (state_uninit())
+               os_exit(2);
+
+       /* This is considered normal termination for now */
+       os_exit(0);
+}
+
+int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+       reset_cpu(0);
+
+       return 0;
+}
+
+/* delay x useconds */
+void __udelay(unsigned long usec)
+{
+       os_usleep(usec);
+}
+
+unsigned long __attribute__((no_instrument_function)) timer_get_us(void)
+{
+       return os_get_nsec() / 1000;
+}
+
+int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images)
+{
+       if (flag & (BOOTM_STATE_OS_GO | BOOTM_STATE_OS_FAKE_GO)) {
+               bootstage_mark(BOOTSTAGE_ID_RUN_OS);
+               printf("## Transferring control to Linux (at address %08lx)...\n",
+                      images->ep);
+               reset_cpu(0);
+       }
+
+       return 0;
+}
+
+int cleanup_before_linux(void)
+{
+       return 0;
+}
+
+void *map_physmem(phys_addr_t paddr, unsigned long len, unsigned long flags)
+{
+       return (void *)(gd->arch.ram_buf + paddr);
+}
+
+phys_addr_t map_to_sysmem(const void *ptr)
+{
+       return (u8 *)ptr - gd->arch.ram_buf;
+}
+
+void flush_dcache_range(unsigned long start, unsigned long stop)
+{
+}