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Code Issues Releases Activity

exo: Add support for exo2

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CTCaer 2020-06-14 13:57:11 +03:00
parent c2160ae367
commit 3c6c92aa9c
1 changed files with 11 additions and 5 deletions
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16
bootloader/hos/hos.c
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@ -645,6 +645,7 @@ int hos_launch(ini_sec_t *cfg)
{
u8 kb;
launch_ctxt_t ctxt;
bool exo_new = false;
tsec_ctxt_t tsec_ctxt;
volatile secmon_mailbox_t *secmon_mailbox;
@ -719,6 +720,11 @@ int hos_launch(ini_sec_t *cfg)
gfx_puts("Loaded config, pkg1 and keyblob\n");
// Check if secmon is new exosphere.
if (ctxt.secmon)
exo_new = !memcmp((void *)((u8 *)ctxt.secmon + ctxt.secmon_size - 4), "LENY", 4);
h_cfg.aes_slots_new = exo_new;
// Generate keys.
if (!h_cfg.se_keygen_done)
{
@ -929,8 +935,8 @@ int hos_launch(ini_sec_t *cfg)
else if (kb == KB_FIRMWARE_VERSION_301)
PMC(APBDEV_PMC_SECURE_SCRATCH32) = 0x104; // Warmboot 3.0.1/.2 PA address id.
// Finalize per firmware key access.
switch (kb)
// Finalize per firmware key access. Skip access control if new exosphere.
switch (kb | (exo_new << 7))
{
case KB_FIRMWARE_VERSION_100_200:
case KB_FIRMWARE_VERSION_300:
@ -952,7 +958,7 @@ int hos_launch(ini_sec_t *cfg)
}
// Clear BCT area for retail units and copy it over if dev unit.
if (kb <= KB_FIRMWARE_VERSION_500)
if (kb <= KB_FIRMWARE_VERSION_500 && !exo_new)
{
memset((void *)0x4003D000, 0, 0x3000);
if ((fuse_read_odm(4) & 3) == 3)
@ -979,7 +985,7 @@ int hos_launch(ini_sec_t *cfg)
mc_config_carveout();
// Lock SE before starting 'SecureMonitor' if < 6.2.0, otherwise lock bootrom and ipatches.
_se_lock(kb <= KB_FIRMWARE_VERSION_600);
_se_lock(kb <= KB_FIRMWARE_VERSION_600 && !exo_new);
// Reset sysctr0 counters.
if (kb >= KB_FIRMWARE_VERSION_620)
@ -989,7 +995,7 @@ int hos_launch(ini_sec_t *cfg)
//_pmc_scratch_lock(kb);
// Set secmon mailbox address.
if (kb >= KB_FIRMWARE_VERSION_700)
if (kb >= KB_FIRMWARE_VERSION_700 || exo_new)
secmon_mailbox = (secmon_mailbox_t *)SECMON7_MAILBOX_ADDR;
else
secmon_mailbox = (secmon_mailbox_t *)SECMON_MAILBOX_ADDR;