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minerva: More protections

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CTCaer 2020-03-21 22:10:06 +02:00
parent 91a241dafa
commit 52874f9113
4 changed files with 9 additions and 4 deletions
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3
bootloader/mem/minerva.c
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@ -34,6 +34,7 @@ u32 minerva_init()
minerva_cfg = NULL; minerva_cfg = NULL;
mtc_config_t *mtc_cfg = (mtc_config_t *)&nyx_str->mtc_cfg; mtc_config_t *mtc_cfg = (mtc_config_t *)&nyx_str->mtc_cfg;
memset(mtc_cfg, 0, sizeof(mtc_config_t));
// Set table to nyx storage. // Set table to nyx storage.
mtc_cfg->mtc_table = (emc_table_t *)&nyx_str->mtc_table; mtc_cfg->mtc_table = (emc_table_t *)&nyx_str->mtc_table;
@ -46,6 +47,8 @@ u32 minerva_init()
// Ensure that Minerva is new. // Ensure that Minerva is new.
if (mtc_cfg->init_done == MTC_INIT_MAGIC) if (mtc_cfg->init_done == MTC_INIT_MAGIC)
minerva_cfg = (void *)ep_addr; minerva_cfg = (void *)ep_addr;
else
mtc_cfg->init_done = 0;
if (!minerva_cfg) if (!minerva_cfg)
return 1; return 1;

2
bootloader/utils/util.h
View file

@ -57,7 +57,7 @@ typedef struct _nyx_storage_t
u8 rsvd[0x800000 - sizeof(nyx_info_t)]; u8 rsvd[0x800000 - sizeof(nyx_info_t)];
nyx_info_t info; nyx_info_t info;
mtc_config_t mtc_cfg; mtc_config_t mtc_cfg;
emc_table_t mtc_table; emc_table_t mtc_table[10];
} nyx_storage_t; } nyx_storage_t;
u32 get_tmr_us(); u32 get_tmr_us();

4
nyx/nyx_gui/mem/minerva.c
View file

@ -36,7 +36,7 @@ u32 minerva_init()
mtc_config_t *mtc_cfg = (mtc_config_t *)&nyx_str->mtc_cfg; mtc_config_t *mtc_cfg = (mtc_config_t *)&nyx_str->mtc_cfg;
// Set table to nyx storage. // Set table to nyx storage.
mtc_cfg->mtc_table = (emc_table_t *)&nyx_str->mtc_table; mtc_cfg->mtc_table = (emc_table_t *)nyx_str->mtc_table;
// Check if Minerva is already initialized. // Check if Minerva is already initialized.
if (mtc_cfg->init_done == MTC_INIT_MAGIC) if (mtc_cfg->init_done == MTC_INIT_MAGIC)
@ -60,6 +60,8 @@ u32 minerva_init()
// Ensure that Minerva is new. // Ensure that Minerva is new.
if (mtc_tmp.init_done == MTC_INIT_MAGIC) if (mtc_tmp.init_done == MTC_INIT_MAGIC)
minerva_cfg = (void *)ep_addr; minerva_cfg = (void *)ep_addr;
else
mtc_cfg->init_done = 0;
// Copy Minerva context to Nyx storage. // Copy Minerva context to Nyx storage.
if (minerva_cfg) if (minerva_cfg)

2
nyx/nyx_gui/utils/util.h
View file

@ -57,7 +57,7 @@ typedef struct _nyx_storage_t
u8 rsvd[0x800000 - sizeof(nyx_info_t)]; u8 rsvd[0x800000 - sizeof(nyx_info_t)];
nyx_info_t info; nyx_info_t info;
mtc_config_t mtc_cfg; mtc_config_t mtc_cfg;
emc_table_t mtc_table; emc_table_t mtc_table[10];
} nyx_storage_t; } nyx_storage_t;
u32 get_tmr_us(); u32 get_tmr_us();