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* print_debug.h.s -- PL3: Print debug string to eth.
* Copyright (C) Youness Alaoui (KaKaRoTo)
* This software is distributed under the terms of the GNU General Public
* License ("GPL") version 3, as published by the Free Software Foundation.
#ifndef __PRINT_DEBUG_H_S__
#define __PRINT_DEBUG_H_S__
#include "trace_helpers.h.S"
QUAD_MEM2 (print_tty)
mflr %r0
stdu %r1, -0x90(%r1)
std %r24, 0x70(%r1)
std %r25, 0x78(%r1)
// 0x80(%r1) == local buffer
std %r0, 0xA0(%r1)
mr %r24, %r4
mr %r25, %r5
stw %r5, 0x80(%r1)
addi %r3, %r1, 0x80
mr %r4, %r6
li %r5, 4
bl ABSOLUTE_MEM2(copy_to_user) // Store 'written' = size
mr %r3, %r24
addi %r4, %r1, 0x80
mr %r5, %r25
bl ABSOLUTE_MEM2(alloc_and_copy_from_user) // Alloc and copy buffer
ld %r3, 0x80(%r1)
mr %r4, %r25
bl send_eth // send kernel-space buffer
ld %r3, 0x80(%r1)
li %r4, 0x27
bl ABSOLUTE_MEM2(free) // Free the allocated buffer
li %r3, 0
ld %r0, 0xA0(%r1)
ld %r24, 0x70(%r1)
ld %r25, 0x78(%r1)
addi %r1, %r1, 0x90
mtlr %r0
mflr %r0
stdu %r1, -0x100(%r1)
std %r29, 0xC0(%r1)
std %r30, 0xC8(%r1)
std %r31, 0xD0(%r1)
std %r0, 0xF0(%r1)
bl store_regs
mr %r30, %r11
li %r12, 0x10
bl send_trace
bl load_regs
sc 1
ld %r29, 0xC0(%r1)
ld %r30, 0xC8(%r1)
ld %r31, 0xD0(%r1)
ld %r0, 0xF0(%r1)
addi %r1, %r1, 0x100
mtlr %r0
mflr %r0
stdu %r1, -0x70(%r1)
std %r0, 0x80(%r1)
bl send_eth
li %r3, 0
ld %r0, 0x80(%r1)
addi %r1, %r1, 0x70
mtlr %r0
#endif /* __PRINT_DEBUG_H_S__ */