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Code Issues Releases Activity

chnldr: Support variable sizes of coreboot.rom

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CTCaer 2020-03-21 22:18:40 +02:00
parent 3405910f4c
commit d50af46b03
2 changed files with 20 additions and 10 deletions
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13
bootloader/main.c
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@ -228,12 +228,14 @@ void check_power_off_from_hos()
#define PATCHED_RELOC_SZ 0x94 #define PATCHED_RELOC_SZ 0x94
#define PATCHED_RELOC_STACK 0x40007000 #define PATCHED_RELOC_STACK 0x40007000
#define PATCHED_RELOC_ENTRY 0x40010000 #define PATCHED_RELOC_ENTRY 0x40010000
#define EXT_PAYLOAD_ADDR 0xC03C0000 #define EXT_PAYLOAD_ADDR 0xC0000000
#define RCM_PAYLOAD_ADDR (EXT_PAYLOAD_ADDR + ALIGN(PATCHED_RELOC_SZ, 0x10)) #define RCM_PAYLOAD_ADDR (EXT_PAYLOAD_ADDR + ALIGN(PATCHED_RELOC_SZ, 0x10))
#define COREBOOT_ADDR (0xD0000000 - 0x100000) #define COREBOOT_END_ADDR 0xD0000000
#define CBFS_DRAM_EN_ADDR 0x4003e000 #define CBFS_DRAM_EN_ADDR 0x4003e000
#define CBFS_DRAM_MAGIC 0x4452414D // "DRAM" #define CBFS_DRAM_MAGIC 0x4452414D // "DRAM"
static void *coreboot_addr;
void reloc_patcher(u32 payload_dst, u32 payload_src, u32 payload_size) void reloc_patcher(u32 payload_dst, u32 payload_src, u32 payload_size)
{ {
memcpy((u8 *)payload_src, (u8 *)IPL_LOAD_ADDR, PATCHED_RELOC_SZ); memcpy((u8 *)payload_src, (u8 *)IPL_LOAD_ADDR, PATCHED_RELOC_SZ);
@ -247,7 +249,7 @@ void reloc_patcher(u32 payload_dst, u32 payload_src, u32 payload_size)
if (payload_size == 0x7000) if (payload_size == 0x7000)
{ {
memcpy((u8 *)(payload_src + ALIGN(PATCHED_RELOC_SZ, 0x10)), (u8 *)COREBOOT_ADDR, 0x7000); //Bootblock memcpy((u8 *)(payload_src + ALIGN(PATCHED_RELOC_SZ, 0x10)), coreboot_addr, 0x7000); //Bootblock
*(vu32 *)CBFS_DRAM_EN_ADDR = CBFS_DRAM_MAGIC; *(vu32 *)CBFS_DRAM_EN_ADDR = CBFS_DRAM_MAGIC;
} }
} }
@ -313,7 +315,10 @@ int launch_payload(char *path, bool update)
if (size < 0x30000) if (size < 0x30000)
buf = (void *)RCM_PAYLOAD_ADDR; buf = (void *)RCM_PAYLOAD_ADDR;
else else
buf = (void *)COREBOOT_ADDR; {
coreboot_addr = (void *)(COREBOOT_END_ADDR - size);
buf = coreboot_addr;
}
if (f_read(&fp, buf, size, NULL)) if (f_read(&fp, buf, size, NULL))
{ {

15
nyx/nyx_gui/nyx.c
View file

@ -217,10 +217,12 @@ void emmcsn_path_impl(char *path, char *sub_dir, char *filename, sdmmc_storage_t
#define PATCHED_RELOC_ENTRY 0x40010000 #define PATCHED_RELOC_ENTRY 0x40010000
#define EXT_PAYLOAD_ADDR 0xC0000000 #define EXT_PAYLOAD_ADDR 0xC0000000
#define RCM_PAYLOAD_ADDR (EXT_PAYLOAD_ADDR + ALIGN(PATCHED_RELOC_SZ, 0x10)) #define RCM_PAYLOAD_ADDR (EXT_PAYLOAD_ADDR + ALIGN(PATCHED_RELOC_SZ, 0x10))
#define COREBOOT_ADDR (0xD0000000 - 0x100000) #define COREBOOT_END_ADDR 0xD0000000
#define CBFS_DRAM_EN_ADDR 0x4003e000 #define CBFS_DRAM_EN_ADDR 0x4003e000
#define CBFS_DRAM_MAGIC 0x4452414D // "DRAM" #define CBFS_DRAM_MAGIC 0x4452414D // "DRAM"
static void *coreboot_addr;
void reloc_patcher(u32 payload_dst, u32 payload_src, u32 payload_size) void reloc_patcher(u32 payload_dst, u32 payload_src, u32 payload_size)
{ {
memcpy((u8 *)payload_src, (u8 *)NYX_LOAD_ADDR, PATCHED_RELOC_SZ); memcpy((u8 *)payload_src, (u8 *)NYX_LOAD_ADDR, PATCHED_RELOC_SZ);
@ -234,7 +236,7 @@ void reloc_patcher(u32 payload_dst, u32 payload_src, u32 payload_size)
if (payload_size == 0x7000) if (payload_size == 0x7000)
{ {
memcpy((u8 *)(payload_src + ALIGN(PATCHED_RELOC_SZ, 0x10)), (u8 *)COREBOOT_ADDR, 0x7000); //Bootblock memcpy((u8 *)(payload_src + ALIGN(PATCHED_RELOC_SZ, 0x10)), coreboot_addr, 0x7000); //Bootblock
*(vu32 *)CBFS_DRAM_EN_ADDR = CBFS_DRAM_MAGIC; *(vu32 *)CBFS_DRAM_EN_ADDR = CBFS_DRAM_MAGIC;
} }
} }
@ -257,7 +259,6 @@ lv_res_t launch_payload(lv_obj_t *list)
if (f_open(&fp, path, FA_READ)) if (f_open(&fp, path, FA_READ))
{ {
EPRINTFARGS("Payload file is missing!\n(%s)", path); EPRINTFARGS("Payload file is missing!\n(%s)", path);
sd_unmount(false);
goto out; goto out;
} }
@ -269,12 +270,14 @@ lv_res_t launch_payload(lv_obj_t *list)
if (size < 0x30000) if (size < 0x30000)
buf = (void *)RCM_PAYLOAD_ADDR; buf = (void *)RCM_PAYLOAD_ADDR;
else else
buf = (void *)COREBOOT_ADDR; {
coreboot_addr = (void *)(COREBOOT_END_ADDR - size);
buf = coreboot_addr;
}
if (f_read(&fp, buf, size, NULL)) if (f_read(&fp, buf, size, NULL))
{ {
f_close(&fp); f_close(&fp);
sd_unmount(false);
goto out; goto out;
} }
@ -304,6 +307,8 @@ lv_res_t launch_payload(lv_obj_t *list)
} }
out: out:
sd_unmount(false);
return LV_RES_OK; return LV_RES_OK;
} }