csx/notes.txt at master · bsekisser/csx · GitHub

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loader...
active irq vectors for
	irq1_uart3
	irq2_uart1
	irq2_uart2
	irq2_usb
	irq2_usb_non_iso_on
	software_irq_105
vectors also provided for (weak hang)
	irq1_timer1
	irq1_timer2
	irq1_timer3
	irq1_gpio1
	irq1_gpio2
	irq1_gpio3
	irq1_gpio4
	irq2_os_timer
all other vectors goto same
	invalid_irq


0x00000000 -- 0x0000ffff -- 64K boot rom
0x00010000 -- 0x0003ffff -- 192K boot rom reserved
0x0c000000 -- 0x0fffffff -- 64M cs3 -- K9K8G08U0A-Y -- 1G*8 NAND
	0x0c080000 -- 0x0c08dfff -- block 4 -- loader?
0x10000000 -- 0x13ffffff -- 64M sdram
	0x10000000 -- 0x11ffffff -- HYB18L256 -- 32M*8
	0x10000000 -- 0x1000dfff -- loader?

	0x10020000 -- application?
	0x10400000 -- 0x104368a4 -- bss?
	0x10436550 -- sp -- fiq
	0x10436750 -- sp -- irq
	0x10436790 -- sp -- svc
	0x10436890 -- sp -- sys
	0x104368a4 -- _bss_end
	0x104368a4 -- 0x1043690f -- relocated data segment
0x20000000 -- 0x2003e7ff -- 250K framebuffer/sram
	0x20000000 -- ivt?
0xfffb0000 -- 0xfffeffff -- mmio region


// 038201000610_loader.rgn
0x10020000 -- 0x1004510b -- loader
	0x1003682c -- 0x1004422c -- saved to block 4, loaded at 0x10000000
	0x100450B0 -- 0x1004511c -- data segment
0x10400000 -- 0x1063daa4 -- bss?
	0x1063D750 -- sp -- fiq
	0x1063D950 -- sp -- irq
	0x1063D990 -- sp -- svc
	0x1063DA90 -- sp -- sys
0x1063daa4 -- 0x1063db10 -- relocated data segment

loader deposits to block 4...rows 0x100..0x11b -- loads at 0x10000000?
sits at wait for interrupt

// 038201000610_fw_all.rgn
0x10020000 -- 0x10323db8 -- fw_all
	0x10323D60 -- 0x10323DCC -- data segment
0x10400000 -- 0x10D0F148 -- bss?
0x10D0EDB0 -- 0x10D0EDEF -- initialized to 0xff
	0x10D0EDF0 -- sp -- fiq
0x10D0EDF0 -- 0x10D0EFEF -- initialized to 0xff
	0x10D0EFF0 -- sp -- irq
0x10D0EFF0 -- 0x10D0F02F -- initialized to 0xff
	0x10D0F030 -- sp -- svc
0x10D0F030 -- 0x10D0F12F -- initialized to 0xff
	0x10D0F130 -- sp -- sys
0x10D0F148 -- 0x10D0F1B4 -- relocated data segment
0x10f00000 -- ttbr

* Credits to inspiring projects, in alphabetical order.

QEMU ... https://www.qemu.org/
SIMAVR ... https://github.com/buserror/simavr


* Project organization...

CSX ... MMIO / SOC / TRACE --- Conceptual parts.

SOC ... OMAP --- Physical soc parts.