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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 "../hos/sept.h"
#include "../libs/fatfs/ff.h" #include "../libs/fatfs/ff.h"
#include "../mem/heap.h" #include "../mem/heap.h"
#include "../mem/mc.h"
#include "../mem/sdram.h" #include "../mem/sdram.h"
#include "../sec/se.h" #include "../sec/se.h"
#include "../sec/se_t210.h" #include "../sec/se_t210.h"
@ -314,16 +315,20 @@ get_tsec: ;
int res = 0; int res = 0;
mc_disable_ahb_redirect();
while (tsec_query(tsec_keys, pkg1_id->kb, &tsec_ctxt) < 0) { while (tsec_query(tsec_keys, pkg1_id->kb, &tsec_ctxt) < 0) {
memset(tsec_keys, 0x00, 0x20); memset(tsec_keys, 0x00, 0x20);
retries++; retries++;
if (retries > 3) { if (retries > 15) {
res = -1; res = -1;
break; break;
} }
} }
free(pkg1); free(pkg1);
mc_enable_ahb_redirect();
if (res < 0) { if (res < 0) {
EPRINTFARGS("ERROR %x dumping TSEC.\n", res); EPRINTFARGS("ERROR %x dumping TSEC.\n", res);
goto out_wait; 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(); smmu_flush_all();
if (k == se[SE_KEYTABLE_DATA0_REG_OFFSET / 4]) if (k != se[SE_KEYTABLE_DATA0_REG_OFFSET / 4]) {
continue; k = se[SE_KEYTABLE_DATA0_REG_OFFSET / 4];
k = se[SE_KEYTABLE_DATA0_REG_OFFSET / 4]; key[kidx++] = k;
key[kidx++] = k; }
// Failsafe. // Failsafe.
if ((u32)get_tmr_us() - start > 125000) if ((u32)get_tmr_us() - start > 125000)