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pkg1: move warmboot rsa patching into pkg1
And create a function for hekatf to be used
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parent
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commit
cfd6567f5d
3 changed files with 34 additions and 27 deletions
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@ -423,3 +423,35 @@ int pkg1_warmboot_config(void *hos_ctxt, u32 warmboot_base)
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return res;
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}
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void pkg1_warmboot_rsa_mod(u32 warmboot_base)
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{
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// Set warmboot binary rsa modulus.
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u8 *rsa_mod = (u8 *)malloc(512);
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sdmmc_storage_set_mmc_partition(&emmc_storage, EMMC_BOOT0);
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u32 sector;
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u8 mod0, mod1;
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// Get the correct RSA modulus byte masks.
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nx_emmc_get_autorcm_masks(&mod0, &mod1);
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// Iterate BCTs.
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for (u32 i = 0; i < 4; i++)
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{
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sector = 1 + (32 * i); // 0x4000 bct + 0x200 offset.
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sdmmc_storage_read(&emmc_storage, sector, 1, rsa_mod);
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// Check if 2nd byte of modulus is correct.
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if (rsa_mod[0x11] != mod1)
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continue;
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// Patch AutoRCM out.
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rsa_mod[0x10] = mod0;
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break;
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}
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memcpy((void *)(warmboot_base + 0x10), rsa_mod + 0x10, 0x100);
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}
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@ -100,5 +100,6 @@ const u8 *pkg1_unpack(void *wm_dst, u32 *wb_sz, void *sm_dst, void *ldr_dst, con
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void pkg1_secmon_patch(void *hos_ctxt, u32 secmon_base, bool t210b01);
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void pkg1_warmboot_patch(void *hos_ctxt);
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int pkg1_warmboot_config(void *hos_ctxt, u32 warmboot_base);
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void pkg1_warmboot_rsa_mod(u32 warmboot_base);
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#endif
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@ -311,33 +311,7 @@ void config_exosphere(launch_ctxt_t *ctxt, u32 warmboot_base)
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wb_cfg->fwno = exo_fw_no;
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// Set warmboot binary rsa modulus.
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u8 *rsa_mod = (u8 *)malloc(512);
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sdmmc_storage_set_mmc_partition(&emmc_storage, EMMC_BOOT0);
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u32 sector;
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u8 mod0, mod1;
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// Get the correct RSA modulus byte masks.
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nx_emmc_get_autorcm_masks(&mod0, &mod1);
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// Iterate BCTs.
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for (u32 i = 0; i < 4; i++)
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{
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sector = 1 + (32 * i); // 0x4000 bct + 0x200 offset.
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sdmmc_storage_read(&emmc_storage, sector, 1, rsa_mod);
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// Check if 2nd byte of modulus is correct.
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if (rsa_mod[0x11] != mod1)
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continue;
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// Patch AutoRCM out.
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rsa_mod[0x10] = mod0;
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break;
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}
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memcpy((void *)(warmboot_base + 0x10), rsa_mod + 0x10, 0x100);
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pkg1_warmboot_rsa_mod(warmboot_base);
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}
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if (emu_cfg.enabled && !h_cfg.emummc_force_disable)
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