请问-e boot是什么意思呀?
OMAP-L138 ARM ubl.cmd
-e boot
IRAMStart = 0x80000000;
IRAMSize = 0x00008000;
DRAMStart = 0x80000000;
DRAMSize = 0x00008000;
ASYNC_MEM_START = 0x62000000;
INTERNAL_RAM_START = 0x80000000;
INTERNAL_RAM_SIZE = 0x00008000;
STACK_START = INTERNAL_RAM_START + INTERNAL_RAM_SIZE;
MEMORY
{
ARM_I_IVT (RX) : origin = 0xFFFFD000 length = 0x00000020
UBL_TEXT (RWX) : origin = 0x80000000 length = 0x00006800
UBL_DATA (RWX) : origin = 0x80006800 length = 0x00000800
UBL_BSS (RW) : origin = 0x80007000 length = 0x00000800
UBL_STACK (RW) : origin = 0x80007800 length = 0x00000800
UBL_DRAM (RWX) : origin = 0xC0000000 length = 0x10000000
}
SECTIONS
{
.text :
{
*(.boot)
. = align(4);
*(.text)
. = align(4);
} > UBL_TEXT
.data :
{
*(.const)
} > UBL_DATA
.bss :
{
*(.bss)
. = align(4);
} > UBL_BSS
.ddr_mem :
{
. += 0x10000000;
} run = UBL_DRAM, type=DSECT, RUN_START(EXTERNAL_RAM_START), RUN_END(EXTERNAL_RAM_END), SIZE(EXTERNAL_RAM_SIZE)
.stack :
{
.+=0x0400;
} run = UBL_STACK, type=DSECT, SIZE(STACK_SIZE)
}
IRAMStart = 0x80000000;
IRAMSize = 0x00008000;
DRAMStart = 0x80000000;
DRAMSize = 0x00008000;
ASYNC_MEM_START = 0x62000000;
INTERNAL_RAM_START = 0x80000000;
INTERNAL_RAM_SIZE = 0x00008000;
STACK_START = INTERNAL_RAM_START + INTERNAL_RAM_SIZE;
MEMORY
{
ARM_I_IVT (RX) : origin = 0xFFFFD000 length = 0x00000020
UBL_TEXT (RWX) : origin = 0x80000000 length = 0x00006800
UBL_DATA (RWX) : origin = 0x80006800 length = 0x00000800
UBL_BSS (RW) : origin = 0x80007000 length = 0x00000800
UBL_STACK (RW) : origin = 0x80007800 length = 0x00000800
UBL_DRAM (RWX) : origin = 0xC0000000 length = 0x10000000
}
SECTIONS
{
.text :
{
*(.boot)
. = align(4);
*(.text)
. = align(4);
} > UBL_TEXT
.data :
{
*(.const)
} > UBL_DATA
.bss :
{
*(.bss)
. = align(4);
} > UBL_BSS
.ddr_mem :
{
. += 0x10000000;
} run = UBL_DRAM, type=DSECT, RUN_START(EXTERNAL_RAM_START), RUN_END(EXTERNAL_RAM_END), SIZE(EXTERNAL_RAM_SIZE)
.stack :
{
.+=0x0400;
} run = UBL_STACK, type=DSECT, SIZE(STACK_SIZE)
}