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nyx: move autorcm protection in nyx

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This commit is contained in:
CTCaer
2021-10-15 16:34:15 +03:00
parent c4bf129d5e
commit d2595a00b6
2 changed files with 40 additions and 58 deletions
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46
nyx/nyx_gui/frontend/gui_tools.c
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@@ -35,6 +35,8 @@
#include <sec/se.h>
#include <soc/bpmp.h>
#include <soc/fuse.h>
#include <soc/hw_init.h>
#include <soc/t210.h>
#include "../storage/nx_emmc.h"
#include <storage/nx_sd.h>
#include <storage/sdmmc.h>
@@ -67,8 +69,9 @@ static lv_obj_t *_create_container(lv_obj_t *parent)
return h1;
}
bool get_autorcm_status(bool change)
bool get_autorcm_status(bool toggle)
{
u32 sector;
u8 corr_mod0, mod1;
bool enabled = false;
@@ -91,24 +94,47 @@ bool get_autorcm_status(bool change)
if (tempbuf[0x10] != corr_mod0)
enabled = true;
// Change autorcm status if requested.
if (change)
// Toggle autorcm status if requested.
if (toggle)
{
int i, sect = 0;
// Iterate BCTs.
for (i = 0; i < 4; i++)
for (u32 i = 0; i < 4; i++)
{
sect = (0x200 + (0x4000 * i)) / NX_EMMC_BLOCKSIZE;
sdmmc_storage_read(&emmc_storage, sect, 1, tempbuf);
sector = (0x200 + (0x4000 * i)) / NX_EMMC_BLOCKSIZE; // 0x4000 bct + 0x200 offset.
sdmmc_storage_read(&emmc_storage, sector, 1, tempbuf);
if (!enabled)
tempbuf[0x10] = 0;
else
tempbuf[0x10] = corr_mod0;
sdmmc_storage_write(&emmc_storage, sect, 1, tempbuf);
sdmmc_storage_write(&emmc_storage, sector, 1, tempbuf);
}
enabled = !(enabled);
enabled = !enabled;
}
// Check if RCM is patched and protect from a possible brick.
if (enabled && h_cfg.rcm_patched && hw_get_chip_id() != GP_HIDREV_MAJOR_T210B01)
{
// Iterate BCTs.
for (u32 i = 0; i < 4; i++)
{
sector = (0x200 + (0x4000 * i)) / NX_EMMC_BLOCKSIZE; // 0x4000 bct + 0x200 offset.
sdmmc_storage_read(&emmc_storage, sector, 1, tempbuf);
// Check if 2nd byte of modulus is correct.
if (tempbuf[0x11] != mod1)
continue;
// If AutoRCM is enabled, disable it.
if (tempbuf[0x10] != corr_mod0)
{
tempbuf[0x10] = corr_mod0;
sdmmc_storage_write(&emmc_storage, sector, 1, tempbuf);
}
}
enabled = false;
}
out: