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Code Issues Releases Activity

Fix tsec timeout during smmu emulation on 6.2.0

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This commit is contained in:
shchmue 2019-04-19 13:00:10 -04:00
parent f553534011
commit 4a320447b3
2 changed files with 10 additions and 5 deletions
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7
source/keys/keys.c
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@ -22,6 +22,7 @@
#include "../hos/sept.h"
#include "../libs/fatfs/ff.h"
#include "../mem/heap.h"
#include "../mem/mc.h"
#include "../mem/sdram.h"
#include "../sec/se.h"
#include "../sec/se_t210.h"
@ -314,16 +315,20 @@ get_tsec: ;
int res = 0;
mc_disable_ahb_redirect();
while (tsec_query(tsec_keys, pkg1_id->kb, &tsec_ctxt) < 0) {
memset(tsec_keys, 0x00, 0x20);
retries++;
if (retries > 3) {
if (retries > 15) {
res = -1;
break;
}
}
free(pkg1);
mc_enable_ahb_redirect();
if (res < 0) {
EPRINTFARGS("ERROR %x dumping TSEC.\n", res);
goto out_wait;

8
source/sec/tsec.c
View file

@ -187,10 +187,10 @@ int tsec_query(u8 *tsec_keys, u8 kb, tsec_ctxt_t *tsec_ctxt)
{
smmu_flush_all();
if (k == se[SE_KEYTABLE_DATA0_REG_OFFSET / 4])
continue;
k = se[SE_KEYTABLE_DATA0_REG_OFFSET / 4];
key[kidx++] = k;
if (k != se[SE_KEYTABLE_DATA0_REG_OFFSET / 4]) {
k = se[SE_KEYTABLE_DATA0_REG_OFFSET / 4];
key[kidx++] = k;
}
// Failsafe.
if ((u32)get_tmr_us() - start > 125000)