h1. MidasBootloader

When connected on the serial port, during boot, if you press the volume down button and press enter 4 times on the serial console, you can get a shell:
<pre>
PMIC rev = PASS2(4)
BUCK1OUT(vdd_mif) = 0x05
BUCK3DVS1(vdd_int) = 0x20
[MMC] there are pending interrupts 0x00010000
cardtype: 0x00000007
SB_MMC_HS_52MHZ_1_8V_3V_IO
mmc->card_caps: 0x00000311
mmc->host_caps: 0x00000311
mmc_initialize: mmc->capacity = 30777344

Samsung S-Boot 4.0-2836504 for GT-I9300 (Jun 15 2015 - 22:47:58)

EXYNOS4412(EVT 1.1) / 1022MB / 15028MB / Rev 12 / I9300XXUGOF1 /(PKG_ID 0x7050008)

- read_bl1
pit_check_signature (PIT) valid.
initialize_ddi_data: usable! (3:0xf)
PARAM ENV VERSION: v1.0..
set_charger_current: chg curr(3f), in curr(17)
set_charger_state: buck(1), chg(1), reg(0x05)
microusb_get_attached_device: STATUS1:0x3d, 2:0x00
set_auto_current: ta_state(0), curr(1000)
init_fuelgauge: fuelgauge power ok
init_fuelgauge: POR status
fuelgauge_por: POR start: vcell(4081), vfocv(4188), soc(100)
fuelgauge_por: update SDI M0 parameter
fuelgauge_por: RCOMP(0x0065), TEMPCO(0x0930)
fuelgauge_por: POR finish: vcell(4079), vfocv(4310), soc(88)
get_table_soc: vcell(4077) is caculated to t-soc(84.590)
init_fuelgauge: start: vcell(4077), vfocv(4301), soc(88), table soc(84)
init_fuelgauge: finish: vcell(4077), vfocv(4301), soc(88), table soc(84)
init_microusb_ic: MUIC: CONTROL1:0x1b
init_microusb_ic: MUIC: CONTROL1:0x1b
init_microusb_ic: MUIC: CONTROL2:0x3b
init_microusb_ic: MUIC: CONTROL2:0x3b
PMIC_ID      = 0x02 
PMIC_IRQSRC  = 0x00 
PMIC_IRQ1    = 0x06 
PMIC_IRQ2    = 0x00 
PMIC_IRQ1M   = 0xc0 
PMIC_IRQ2M   = 0x03 
PMIC_STATUS1 = 0x11 
PMIC_STATUS2 = 0x00 
PMIC_PWRON   = 0x03 
PMIC_RTCINT  = 0x00 
PMIC_RTCINTM = 0x3f 
s5p_check_keypad: 0x1100000
s5p_check_reboot_mode: INFORM3 = 0 ... skip
s5p_check_upload: MAGIC(0x277b3bbf), RST_STAT(0x10000)
microusb_get_attached_device: STATUS1:0x3d, 2:0x00
s5p_check_download: 0
microusb_get_attached_device: STATUS1:0x3d, 2:0x00
check_pm_status: non chargable jig, bypass check power
cmu_div:1, div:7, src_clk:800000000, pixel_clk:57153600
s5p_dsim_display_config : VIDEO MODE
a2, 60, 90, 

autoboot aborted..
S-BOOT # 
S-BOOT # 
S-BOOT # 
S-BOOT # 
S-BOOT # 
S-BOOT # 
S-BOOT # 
S-BOOT # 
S-BOOT # 
S-BOOT # help
Following commands are supported:
* chipinfo
* help
* log
* load_kernel
* boot
* reset
* findenv
* saveenv
* setenv
* printenv
* checksum_need
* usb
* upload
* keyread
* readadc
* printcsd
* rpmbwritedata
* rpmbreadcount
* rpmbsetkey
* rpmbclose
* rpmbopen
* sdcard_read
* sdcard
* fuelgauge
* usb_write
* usb_read
To get commands help, Type "help <command>"
S-BOOT #
</pre>