/*
* Copyright (c) 2018 Guillem96
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdarg.h>
#include <string.h>
#include "gfx/di.h"
#include "gfx/gfx.h"
#include "mem/heap.h"
#include "soc/hw_init.h"
#include "soc/t210.h"
#include "soc/pmc.h"
#include "core/launcher.h"
#include "utils/util.h"
#include "utils/fs_utils.h"
#include "utils/btn.h"
#define CENTERED_TEXT_START(n) (((1280 - n * CHAR_WIDTH * g_gfx_con.scale) / 2))
extern void pivot_stack(u32 stack_top);
extern u8 get_payload_num(void);
bool g_render_embedded_splash = true;
static inline void setup_gfx()
{
u32 *fb = display_init_framebuffer();
gfx_init_ctxt(&g_gfx_ctxt, fb, 1280, 720, 720);
gfx_clear_color(&g_gfx_ctxt, 0xFF000000);
gfx_con_init(&g_gfx_con, &g_gfx_ctxt);
g_gfx_con.scale = 1;
}
void display_logo_with_message(int count, ...)
{
/* vardiac arg list for multiple strings. */
va_list strs;
va_start(strs, count);
/* save the scale factor so we can restore it later. */
u8 scale_old = g_gfx_con.scale;
if(g_render_embedded_splash)
{
/* set scale and position for logo */
g_gfx_con.scale = 3;
g_gfx_con.x = 370;
g_gfx_con.y = 98;
/* print logo. */
/* Logo chars are stored as part of the font, */
/* outside of normal ascii range. */
/* The logo is comprised of 4 rows and 12 columns. */
for(char i = 0; i < 4; i++)
{
for(char j = 0; j < 12; j++)
{
gfx_putc(&g_gfx_con, (i * 12) + j + 0x7F);
}
gfx_putc(&g_gfx_con, '\n');
g_gfx_con.x = 370;
}
}
/* set scale and y position for text. */
g_gfx_con.scale = 1;
g_gfx_con.y = 593;
/* Allocate space for pointers to each string, */
/* along with var to hold total number of chars to print */
/* and starting index to keep track of already processed strings */
char **str_ptrs = malloc(count * sizeof(char *));
int start = 0;
int total_len = 0;
for(int i = 0; i <= count; i++)
{
/* Get next string from va list */
char *str = va_arg(strs, char *);
str_ptrs[i] = str;
/* Handle newlines separately, so text centering isn't thrown off, */
/* and print characters that haven't been printed yet. */
if(str[0] == '\n' || i == count)
{
/* Set text position. Center text horizontally. */
g_gfx_con.x = CENTERED_TEXT_START(total_len);
/* Print each string, starting at calculated x position. */
for(int j = start; j < i; j++)
gfx_puts(&g_gfx_con, str_ptrs[j]);
/* Next string to worry about is after current string. */
/* Reset number of characters to print to zero for next line. */
start = i + 1;
total_len = 0;
gfx_putc(&g_gfx_con, '\n');
continue;
}
total_len += strlen(str);
}
/* Free list of pointers. */
free(str_ptrs);
str_ptrs = 0;
/* Restore the scale factor. */
g_gfx_con.scale = scale_old;
}
void find_and_launch_payload(const char *folder)
{
DIR dir;
FILINFO finfo;
//~ FRESULT res = f_findfirst(&dir, &finfo, folder, "*.bin");
FRESULT res = f_findfirst(&dir, &finfo, folder, "reboot_payload.bin");
if(res == FR_OK && (strlen(finfo.fname) != 0))
{
size_t path_size = strlen(finfo.fname) + strlen(folder) + 2;
char *payload_path = malloc(path_size);
if(payload_path != NULL)
{
memset(payload_path, 0, path_size);
strcpy(payload_path, folder);
strcat(payload_path, "/");
strcat(payload_path, finfo.fname);
if(g_render_embedded_splash)
display_logo_with_message(2, "Launching ", payload_path);
msleep(5000);
launch_payload(payload_path);
}
}
else if((strlen(finfo.fname) == 0) && (res != FR_NO_PATH))
{
g_gfx_con.fgcol = 0xFFFF0000;
display_logo_with_message(5, "No payload found in ", folder, "!", "\n", "Press any button to reboot into RCM.");
}
else if(res == FR_NO_PATH)
{
g_gfx_con.fgcol = 0xFFFF0000;
display_logo_with_message(7, "Folder not found!", "\n", "Please create ", folder, " on your SD card and add your payload to it.", "\n", "Press any button to reboot into RCM.");
}
}
void ipl_main()
{
config_hw();
/* Init the stack and the heap */
pivot_stack(0x90010000);
heap_init(0x90020000);
/* Init display and gfx module */
display_init();
setup_gfx();
display_backlight_pwm_init();
display_backlight_brightness(100, 1000);
//~ u8 payload_num = get_payload_num() + 1;
u8 payload_num = 0;
if(sd_mount())
{
if(sd_file_read("dragonboot/splash.raw", g_gfx_ctxt.next))
{
g_render_embedded_splash = false;
gfx_swap_buffer(&g_gfx_ctxt);
}
if(payload_num == 0)
find_and_launch_payload("atmosphere");
char folder[] = "dragonboot/\0\0\0";
const char *num_table[] = { "00", "01", "02", "03", "04", "05", "06", "07", "08" };
strcat(folder, num_table[payload_num]);
find_and_launch_payload(folder);
}
else
{
g_gfx_con.fgcol = 0xFFFF0000;
display_logo_with_message(3, "SD card not inserted!", "\n", "Press any button to reboot into RCM.");
}
btn_wait();
PMC(APBDEV_PMC_SCRATCH0) |= 2;
PMC(APBDEV_PMC_CNTRL) = PMC_CNTRL_MAIN_RST;
while(1);
}
