From 5ffc99a9a0293cb68c34894201d54d86b6561906 Mon Sep 17 00:00:00 2001 From: Stefano Garzarella
Date: Fri, 30 Nov 2018 16:56:28 +0100 Subject: [PATCH] boot: add debug port write to trace boot times --- init/benchmark.h | 16 ++++++++++++++++ init/main.c | 5 +++++ 2 files changed, 21 insertions(+) create mode 100644 init/benchmark.h diff --git a/init/benchmark.h b/init/benchmark.h new file mode 100644 index 000000000000..372a26b05ab1 --- /dev/null +++ b/init/benchmark.h @@ -0,0 +1,16 @@ +#ifndef BENCHMARK_H +#define BENCHMARK_H + +/* IO ports for different exit points */ +#define LINUX_EXIT_PORT 0xf4 +#define FW_EXIT_PORT 0xf5 + +/* Exit point values */ +#define FW_START 1 +#define LINUX_START_FWCFG 2 +#define LINUX_START_BOOT 3 +#define FW_DO_BOOT 4 +#define LINUX_START_KERNEL 5 +#define LINUX_START_USER 6 + +#endif diff --git a/init/main.c b/init/main.c index c4a45145e102..05f9cc85d07d 100644 --- a/init/main.c +++ b/init/main.c @@ -10,6 +10,7 @@ */ #define DEBUG /* Enable initcall_debug */ +#include "benchmark.h" #include