Re: [PATCH v4 04/36] nds32: Kernel booting and initialization
From: Randy Dunlap <hidden>
Date: 2017-12-19 22:02:32
Also in:
linux-arch, linux-devicetree, linux-serial, lkml
On 12/17/2017 10:46 PM, Greentime Hu wrote:
From: Greentime Hu <greentime-MUIXKm3Oiri1Z/+hSey0Gg@public.gmane.org> This patch includes the kernel startup code. It can get dtb pointer passed from bootloader. It will create a temp mapping by tlb instructions at beginning and goto start_kernel. Signed-off-by: Vincent Chen <vincentc-MUIXKm3Oiri1Z/+hSey0Gg@public.gmane.org> Signed-off-by: Greentime Hu <greentime-MUIXKm3Oiri1Z/+hSey0Gg@public.gmane.org> --- arch/nds32/kernel/head.S | 189 ++++++++++++++++++++++ arch/nds32/kernel/setup.c | 383 +++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 572 insertions(+) create mode 100644 arch/nds32/kernel/head.S create mode 100644 arch/nds32/kernel/setup.c
quoted hunk ↗ jump to hunk
diff --git a/arch/nds32/kernel/setup.c b/arch/nds32/kernel/setup.c new file mode 100644 index 0000000..7718c58 --- /dev/null +++ b/arch/nds32/kernel/setup.c@@ -0,0 +1,383 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright (C) 2005-2017 Andes Technology Corporation +
[snip]
+struct cache_info L1_cache_info[2];
+static void __init dump_cpu_info(int cpu)
+{
+ int i, p = 0;
+ char str[sizeof(hwcap_str) + 16];
+
+ for (i = 0; hwcap_str[i]; i++) {
+ if (elf_hwcap & (1 << i)) {
+ sprintf(str + p, "%s ", hwcap_str[i]);
+ p += strlen(hwcap_str[i]) + 1;
+ }
+ }
+
+ pr_info("CPU%d Featuretures: %s\n", cpu, str);Features: -- ~Randy -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html