LowLevel/Luma3DS-3GX
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Minor stuff

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Aurora 2016-10-23 03:47:10 +02:00
parent 4f53b3ce35
commit 127ae6b945
1 changed files with 12 additions and 11 deletions
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23
patches/reboot.s
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@ -57,7 +57,7 @@ sd_notmounted equ 0xC8804465 ; Error code returned when SD is not mounted
; Copy the low TID (in UTF-16) of the wanted firm to the 5th byte of the payload
ldr r0, =payload_addr + 4
add r1, r8, 0x1A
add r1, r8, #0x1A
mov r2, #0x10
bl memcpy16
@ -87,9 +87,9 @@ sd_notmounted equ 0xC8804465 ; Error code returned when SD is not mounted
bx lr
panic:
mov r1, r0 ; unused register
mov r1, r0 ; unused register
mov r0, #0
swi 0x3C ; svcBreak(USERBREAK_PANIC)
swi 0x3C ; svcBreak(USERBREAK_PANIC)
b die
bytes_read: .word 0
@ -104,18 +104,18 @@ nand_mount: .dcw "nand"
kernelcode_start:
; Disable MPU
ldr r0, =0x42078 ; alt vector select, enable itcm
ldr r0, =0x42078 ; alt vector select, enable itcm
mcr p15, 0, r0, c1, c0, 0
; Clean and flush data cache
mov r1, #0 ; segment counter
mov r1, #0 ; segment counter
outer_loop:
mov r0, #0 ; line counter
mov r0, #0 ; line counter
inner_loop:
orr r2, r1, r0 ; generate segment and line address
mcr p15, 0, r2, c7, c14, 2 ; clean and flush the line
add r0, #0x20 ; increment to next line
orr r2, r1, r0 ; generate segment and line address
mcr p15, 0, r2, c7, c14, 2 ; clean and flush the line
add r0, #0x20 ; increment to next line
cmp r0, #0x400
bne inner_loop
@ -123,7 +123,8 @@ nand_mount: .dcw "nand"
cmp r1, #0
bne outer_loop
mcr p15, 0, r1, c7, c10, 4 ; drain write buffer
; Drain write buffer
mcr p15, 0, r1, c7, c10, 4
; Flush instruction cache
mcr p15, 0, r1, c7, c5, 0
@ -133,4 +134,4 @@ nand_mount: .dcw "nand"
bx r0
.pool
.close
.close