GodMode9/arm11/source/boot.s

.section .text.boot
.align 4

#include <arm.h>

.global __boot
__boot:
	cpsid aif, #SR_SVC_MODE

    mov r0, #0
    mcr p15, 0, r0, c7, c7, 0
    mcr p15, 0, r0, c7, c14, 0
    mcr p15, 0, r0, c7, c10, 4

    ldr sp, =_stack_top

    @ Reset values
    ldr r0, =0x00054078
    ldr r1, =0x0000000F
    ldr r2, =0x00000000

    mcr p15, 0, r0, c1, c0, 0
    mcr p15, 0, r1, c1, c0, 1
    mcr p15, 0, r2, c1, c0, 2

    ldr r0, =__bss_start
    ldr r1, =__bss_end
    mov r2, #0
    .Lclearbss:
        cmp r0, r1
        strlt r2, [r0], #4
        blt .Lclearbss

    bl main
    b __boot

.section .bss.stack
.align 3
    .space (8192 * 4)
_stack_top:
Add screeninit to FIRM payload 2017-07-26 21:39:30 +02:00			`.section .text.boot`
Refactored screeninit 2017-08-21 21:01:18 -03:00			`.align 4`
Add screeninit to FIRM payload 2017-07-26 21:39:30 +02:00
Improved MPcore interrupt handler 2017-08-08 23:04:17 -03:00			`#include <arm.h>`

Add screeninit to FIRM payload 2017-07-26 21:39:30 +02:00			`.global __boot`
			`__boot:`
beginning of better ARM11: - moved I2C code to the ARM11 (with an ugly hack that MUST be fixed) - reworked the PXI protocol to have lower latencies and remove any potential async support 2019-04-08 17:38:38 -03:00			`cpsid aif, #SR_SVC_MODE`
Add screeninit to FIRM payload 2017-07-26 21:39:30 +02:00
			`mov r0, #0`
			`mcr p15, 0, r0, c7, c7, 0`
			`mcr p15, 0, r0, c7, c14, 0`
			`mcr p15, 0, r0, c7, c10, 4`

beginning of better ARM11: - moved I2C code to the ARM11 (with an ugly hack that MUST be fixed) - reworked the PXI protocol to have lower latencies and remove any potential async support 2019-04-08 17:38:38 -03:00			`ldr sp, =_stack_top`
Add screeninit to FIRM payload 2017-07-26 21:39:30 +02:00
			`@ Reset values`
			`ldr r0, =0x00054078`
			`ldr r1, =0x0000000F`
			`ldr r2, =0x00000000`

			`mcr p15, 0, r0, c1, c0, 0`
			`mcr p15, 0, r1, c1, c0, 1`
			`mcr p15, 0, r2, c1, c0, 2`

Added brightness adjustment through the volume slider, made the ARM11 finally do something rather than sit and wait for the entrypoint 2017-08-08 09:40:09 -03:00			`ldr r0, =__bss_start`
			`ldr r1, =__bss_end`
			`mov r2, #0`
			`.Lclearbss:`
			`cmp r0, r1`
Fixed the MPcore interrupt handler, added local ARM9 exception handler 2017-08-12 16:04:20 -03:00			`strlt r2, [r0], #4`
Added brightness adjustment through the volume slider, made the ARM11 finally do something rather than sit and wait for the entrypoint 2017-08-08 09:40:09 -03:00			`blt .Lclearbss`

Add screeninit to FIRM payload 2017-07-26 21:39:30 +02:00			`bl main`
			`b __boot`
beginning of better ARM11: - moved I2C code to the ARM11 (with an ugly hack that MUST be fixed) - reworked the PXI protocol to have lower latencies and remove any potential async support 2019-04-08 17:38:38 -03:00
			`.section .bss.stack`
			`.align 3`
			`.space (8192 * 4)`
			`_stack_top:`