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hos: improve warmboot config

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Add more checks, simplify it and allow it to be called on non-HOS code.
This commit is contained in:
CTCaer 2022-10-11 08:53:46 +03:00
parent e455fe043f
commit a6d0bf54cd
3 changed files with 19 additions and 21 deletions
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2
bootloader/hos/hos.c
View file

@ -904,7 +904,7 @@ int hos_launch(ini_sec_t *cfg)
}
// Configure and manage Warmboot binary.
if (!pkg1_warmboot_config(&ctxt, warmboot_base))
if (!pkg1_warmboot_config(&ctxt, warmboot_base, ctxt.pkg1_id->fuses, kb))
{
// Can only happen on T210B01.
_hos_crit_error("Failed to match warmboot with fuses!\nIf you continue, sleep wont work!");

36
bootloader/hos/pkg1.c
View file

@ -143,7 +143,7 @@ static const u8 sec_map_100[3] = { PK11_SECTION_SM, PK11_SECTION_LD, PK11_SECTIO
static const u8 sec_map_2xx[3] = { PK11_SECTION_WB, PK11_SECTION_LD, PK11_SECTION_SM };
static const u8 sec_map_4xx[3] = { PK11_SECTION_LD, PK11_SECTION_SM, PK11_SECTION_WB };
// ID (Timestamp), KB, Fuses, TSEC, PK11, SECMON, Warmboot.
// ID (Timestamp), KB, Fuses, TSEC, PK11, SECMON, Warmboot.
static const pkg1_id_t _pkg1_ids[] = {
{ "20161121183008", 0, 1, 0x1900, 0x3FE0, SM_100_ADR, 0x8000D000, _secmon_1_patchset }, // 1.0.0 (Patched relocator).
{ "20170210155124", 0, 2, 0x1900, 0x3FE0, 0x4002D000, 0x8000D000, _secmon_2_patchset }, // 2.0.0 - 2.3.0.
@ -341,32 +341,30 @@ static void _warmboot_filename(char *out, u32 fuses)
strcat(out, ".bin");
}
int pkg1_warmboot_config(void *hos_ctxt, u32 warmboot_base)
int pkg1_warmboot_config(void *hos_ctxt, u32 warmboot_base, u32 fuses_fw, u8 kb)
{
launch_ctxt_t *ctxt = (launch_ctxt_t *)hos_ctxt;
u32 kb = ctxt->pkg1_id->kb;
int res = 1;
// Set warmboot address in PMC if required.
if (kb <= KB_FIRMWARE_VERSION_301)
PMC(APBDEV_PMC_SCRATCH1) = warmboot_base;
if (h_cfg.t210b01)
{
u32 pa_id;
u32 fuses_max = 32; // Current ODM7 max.
u32 fuses_fw = ctxt->pkg1_id->fuses;
u8 burnt_fuses = bit_count(fuse_read_odm(7));
// Save current warmboot in storage cache (MWS) and check if another one is needed.
if (!ctxt->warmboot)
{
char path[128];
f_mkdir("warmboot_mariko");
strcpy(path, "warmboot_mariko/wb_");
_warmboot_filename(path, fuses_fw);
if (f_stat(path, NULL))
// Check if warmboot fw exists and save it.
if (ctxt->warmboot_size && f_stat(path, NULL))
{
f_mkdir("warmboot_mariko");
sd_save_to_file((void *)warmboot_base, ctxt->warmboot_size, path);
}
// Load warmboot fw from storage (MWS) if not matched.
if (burnt_fuses > fuses_fw)
@ -386,7 +384,7 @@ int pkg1_warmboot_config(void *hos_ctxt, u32 warmboot_base)
tmp_fuses++;
}
// Check if proper warmboot firmware was found.
// Check if proper warmboot firmware was not found.
if (!ctxt->warmboot)
res = 0;
}
@ -397,15 +395,11 @@ int pkg1_warmboot_config(void *hos_ctxt, u32 warmboot_base)
// Configure Warmboot parameters. Anything lower is not supported.
switch (burnt_fuses)
{
case 7:
pa_id = 0x87;
case 7 ... 8:
pa_id = 0x21 * (burnt_fuses - 3) + 3;
break;
case 8: // 0x21 raise.
pa_id = 0xA8;
break;
default: // From 7.0.0 and up PA id raises by 0x21 with a static base.
pa_id = 0x108;
pa_id += 0x21 * (burnt_fuses - 8);
default: // From 7.0.0 and up PA id is 0x21 multiplied with fuses.
pa_id = 0x21 * burnt_fuses;
break;
}
@ -415,6 +409,10 @@ int pkg1_warmboot_config(void *hos_ctxt, u32 warmboot_base)
}
else
{
// Set warmboot address in PMC if required.
if (kb <= KB_FIRMWARE_VERSION_301)
PMC(APBDEV_PMC_SCRATCH1) = warmboot_base;
// Set Warmboot Physical Address ID for 3.0.0 - 3.0.2.
if (kb == KB_FIRMWARE_VERSION_300)
PMC(APBDEV_PMC_SECURE_SCRATCH32) = 0xE3; // Warmboot 3.0.0 PA address id.

2
bootloader/hos/pkg1.h
View file

@ -99,7 +99,7 @@ int pkg1_decrypt(const pkg1_id_t *id, u8 *pkg1);
const u8 *pkg1_unpack(void *wm_dst, u32 *wb_sz, void *sm_dst, void *ldr_dst, const pkg1_id_t *id, u8 *pkg1);
void pkg1_secmon_patch(void *hos_ctxt, u32 secmon_base, bool t210b01);
void pkg1_warmboot_patch(void *hos_ctxt);
int pkg1_warmboot_config(void *hos_ctxt, u32 warmboot_base);
int pkg1_warmboot_config(void *hos_ctxt, u32 warmboot_base, u32 fuses_fw, u8 kb);
void pkg1_warmboot_rsa_mod(u32 warmboot_base);
#endif