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platform: Make the platform read-only

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platform should be a read-only variable, if it is placed in the data
segment, it may be exploited.

Signed-off-by: Xiang Wang <wxjstz@126.com>
This commit is contained in:
Xiang Wang
2019-03-06 15:29:34 +08:00
committed by Atish Patra
parent 27fae182dc
commit 9eb8f0f90d
11 changed files with 45 additions and 43 deletions
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2
lib/sbi_console.c
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@@ -11,7 +11,7 @@
#include <sbi/sbi_console.h>
#include <sbi/riscv_locks.h>
static struct sbi_platform *console_plat = NULL;
static const struct sbi_platform *console_plat = NULL;
static spinlock_t console_out_lock = SPIN_LOCK_INITIALIZER;
bool sbi_isprintable(char c)