Re: [PATCH v4 04/36] nds32: Kernel booting and initialization

2017-12-20 6:01 GMT+08:00 Randy Dunlap [off-list ref]:

On 12/17/2017 10:46 PM, Greentime Hu wrote:

quoted

From: Greentime Hu <redacted>

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 <redacted>
Signed-off-by: Greentime Hu <redacted>
---
 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

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]

quoted

+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:

Thanks Randy. I will fix this typo.