PD#SWPL-3706
Problem:
GXL: defenkey cause system crash
Solution:
1.change defendkey reserved memory process
2.limit reserved memory region
Verify:
GXL skt board verify pass
Change-Id: I23c6fe861803de96eccec9b643824eeae2c2e564
Signed-off-by: Zhongfu Luo <zhongfu.luo@amlogic.com>
#define CMD_SECURE_CHECK _IO('d', 0x01)
#define CMD_DECRYPT_DTB _IO('d', 0x02)
+#define DEFENDKEY_LIMIT_ADDR 0x0F000000
enum e_defendkey_type {
e_upgrade_check = 0,
static int __init early_defendkey_para(char *buf)
{
int ret;
- struct page *page = NULL;
if (!buf)
return -EINVAL;
return -EINVAL;
}
- page = pfn_to_page(defendkey_rmem.base >> PAGE_SHIFT);
- if (PageHighMem(page)) {
- pr_err("invalid boot args \"defendkey\"\n");
+ if (defendkey_rmem.base > DEFENDKEY_LIMIT_ADDR) {
+ pr_err("defendkey reserved memory base overflow!\n");
return -EINVAL;
}