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Diffstat (limited to 'arch/xtensa/kernel/setup.c')
-rw-r--r--arch/xtensa/kernel/setup.c49
1 files changed, 32 insertions, 17 deletions
diff --git a/arch/xtensa/kernel/setup.c b/arch/xtensa/kernel/setup.c
index 08175df7a69e..a931af9075f2 100644
--- a/arch/xtensa/kernel/setup.c
+++ b/arch/xtensa/kernel/setup.c
@@ -36,6 +36,7 @@
#endif
#include <asm/bootparam.h>
+#include <asm/kasan.h>
#include <asm/mmu_context.h>
#include <asm/pgtable.h>
#include <asm/processor.h>
@@ -156,7 +157,7 @@ static int __init parse_bootparam(const bp_tag_t* tag)
/* Boot parameters must start with a BP_TAG_FIRST tag. */
if (tag->id != BP_TAG_FIRST) {
- printk(KERN_WARNING "Invalid boot parameters!\n");
+ pr_warn("Invalid boot parameters!\n");
return 0;
}
@@ -165,15 +166,14 @@ static int __init parse_bootparam(const bp_tag_t* tag)
/* Parse all tags. */
while (tag != NULL && tag->id != BP_TAG_LAST) {
- for (t = &__tagtable_begin; t < &__tagtable_end; t++) {
+ for (t = &__tagtable_begin; t < &__tagtable_end; t++) {
if (tag->id == t->tag) {
t->parse(tag);
break;
}
}
if (t == &__tagtable_end)
- printk(KERN_WARNING "Ignoring tag "
- "0x%08x\n", tag->id);
+ pr_warn("Ignoring tag 0x%08x\n", tag->id);
tag = (bp_tag_t*)((unsigned long)(tag + 1) + tag->size);
}
@@ -208,6 +208,8 @@ static int __init xtensa_dt_io_area(unsigned long node, const char *uname,
/* round down to nearest 256MB boundary */
xtensa_kio_paddr &= 0xf0000000;
+ init_kio();
+
return 1;
}
#else
@@ -246,6 +248,14 @@ void __init early_init_devtree(void *params)
void __init init_arch(bp_tag_t *bp_start)
{
+ /* Initialize MMU. */
+
+ init_mmu();
+
+ /* Initialize initial KASAN shadow map */
+
+ kasan_early_init();
+
/* Parse boot parameters */
if (bp_start)
@@ -263,10 +273,6 @@ void __init init_arch(bp_tag_t *bp_start)
/* Early hook for platforms */
platform_init(bp_start);
-
- /* Initialize MMU. */
-
- init_mmu();
}
/*
@@ -277,13 +283,13 @@ extern char _end[];
extern char _stext[];
extern char _WindowVectors_text_start;
extern char _WindowVectors_text_end;
-extern char _DebugInterruptVector_literal_start;
+extern char _DebugInterruptVector_text_start;
extern char _DebugInterruptVector_text_end;
-extern char _KernelExceptionVector_literal_start;
+extern char _KernelExceptionVector_text_start;
extern char _KernelExceptionVector_text_end;
-extern char _UserExceptionVector_literal_start;
+extern char _UserExceptionVector_text_start;
extern char _UserExceptionVector_text_end;
-extern char _DoubleExceptionVector_literal_start;
+extern char _DoubleExceptionVector_text_start;
extern char _DoubleExceptionVector_text_end;
#if XCHAL_EXCM_LEVEL >= 2
extern char _Level2InterruptVector_text_start;
@@ -317,6 +323,13 @@ static inline int mem_reserve(unsigned long start, unsigned long end)
void __init setup_arch(char **cmdline_p)
{
+ pr_info("config ID: %08x:%08x\n",
+ get_sr(SREG_EPC), get_sr(SREG_EXCSAVE));
+ if (get_sr(SREG_EPC) != XCHAL_HW_CONFIGID0 ||
+ get_sr(SREG_EXCSAVE) != XCHAL_HW_CONFIGID1)
+ pr_info("built for config ID: %08x:%08x\n",
+ XCHAL_HW_CONFIGID0, XCHAL_HW_CONFIGID1);
+
*cmdline_p = command_line;
platform_setup(cmdline_p);
strlcpy(boot_command_line, *cmdline_p, COMMAND_LINE_SIZE);
@@ -339,16 +352,16 @@ void __init setup_arch(char **cmdline_p)
mem_reserve(__pa(&_WindowVectors_text_start),
__pa(&_WindowVectors_text_end));
- mem_reserve(__pa(&_DebugInterruptVector_literal_start),
+ mem_reserve(__pa(&_DebugInterruptVector_text_start),
__pa(&_DebugInterruptVector_text_end));
- mem_reserve(__pa(&_KernelExceptionVector_literal_start),
+ mem_reserve(__pa(&_KernelExceptionVector_text_start),
__pa(&_KernelExceptionVector_text_end));
- mem_reserve(__pa(&_UserExceptionVector_literal_start),
+ mem_reserve(__pa(&_UserExceptionVector_text_start),
__pa(&_UserExceptionVector_text_end));
- mem_reserve(__pa(&_DoubleExceptionVector_literal_start),
+ mem_reserve(__pa(&_DoubleExceptionVector_text_start),
__pa(&_DoubleExceptionVector_text_end));
#if XCHAL_EXCM_LEVEL >= 2
@@ -380,7 +393,7 @@ void __init setup_arch(char **cmdline_p)
#endif
parse_early_param();
bootmem_init();
-
+ kasan_init();
unflatten_and_copy_device_tree();
#ifdef CONFIG_SMP
@@ -582,12 +595,14 @@ c_show(struct seq_file *f, void *slot)
"model\t\t: Xtensa " XCHAL_HW_VERSION_NAME "\n"
"core ID\t\t: " XCHAL_CORE_ID "\n"
"build ID\t: 0x%x\n"
+ "config ID\t: %08x:%08x\n"
"byte order\t: %s\n"
"cpu MHz\t\t: %lu.%02lu\n"
"bogomips\t: %lu.%02lu\n",
num_online_cpus(),
cpumask_pr_args(cpu_online_mask),
XCHAL_BUILD_UNIQUE_ID,
+ get_sr(SREG_EPC), get_sr(SREG_EXCSAVE),
XCHAL_HAVE_BE ? "big" : "little",
ccount_freq/1000000,
(ccount_freq/10000) % 100,