This commit is contained in:
souldbminersmwc
2026-04-12 16:53:01 -04:00
12 changed files with 1222 additions and 0 deletions

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@@ -28,6 +28,7 @@
#endif
#include "customize.hpp"
#include "oc_log.hpp"
#define PATCH_OFFSET(offset, value) \
static_assert(sizeof(__typeof__(offset)) <= sizeof(u64)); \

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@@ -0,0 +1,128 @@
/*
* Copyright (c) 2019 m4xw <m4x@m4xw.net>
* Copyright (c) 2019 Atmosphere-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/* See https://github.com/lulle2007200/emuMMC/blob/internal-emummc/source/ */
#include "oc_common.hpp"
#if defined(AMS_BUILD_FOR_AUDITING) || defined(AMS_BUILD_FOR_DEBUGGING)
#include "fatal_handler_bin.h"
#endif
namespace ams::ldr::hoc {
#define ATMOSPHERE_REBOOT_TO_FATAL_MAGIC 0x32454641
#define ATMOSPHERE_IRAM_PAYLOAD_BASE 0x40010000
#define ATMOSPHERE_FATAL_ERROR_ADDR 0x4003E000
_Alignas(4096) u8 working_buf[4096];
void SmcRebootToIramPayload() {
SecmonArgs args;
args.X[0] = 0xC3000401;
args.X[1] = 65001;
args.X[2] = 0;
args.X[3] = 2;
svcCallSecureMonitor(&args);
}
Result SmcCopyToIram(uintptr_t dest, const void *src, u32 size) {
SecmonArgs args;
args.X[0] = 0xF0000201;
args.X[1] = (u64)src;
args.X[2] = (u64)dest;
args.X[3] = size;
args.X[4] = 1;
svcCallSecureMonitor(&args);
Result rc = 0;
if (args.X[0] != 0) {
rc = (26u | ((u32)args.X[0] << 9u));
}
return rc;
}
Result SmcCopyFromIram(void *dest, uintptr_t src, u32 size) {
SecmonArgs args;
args.X[0] = 0xF0000201;
args.X[1] = (u64)dest;
args.X[2] = (u64)src;
args.X[3] = size;
args.X[4] = 0;
svcCallSecureMonitor(&args);
Result rc = 0;
if (args.X[0] != 0) {
rc = (26u | ((u32)args.X[0] << 9u));
}
return rc;
}
struct log_ctx_t {
u32 magic;
u32 sz;
u32 start;
u32 end;
char buf[];
};
#define IRAM_LOG_CTX_ADDR 0x4003C000
#define IRAM_LOG_MAX_SZ 4096
#if defined(AMS_BUILD_FOR_AUDITING) || defined(AMS_BUILD_FOR_DEBUGGING)
void Log(const char *data, ...) {
static const u32 max_log_sz = sizeof(working_buf) - sizeof(log_ctx_t);
static bool initDone = false;
log_ctx_t *log_ctx = (log_ctx_t*)working_buf;
SmcCopyFromIram(working_buf, IRAM_LOG_CTX_ADDR, sizeof(working_buf));
if (!initDone) {
initDone = true;
log_ctx->buf[0] = '\0';
log_ctx->magic = 0xaabbccdd;
log_ctx->start = 0;
log_ctx->end = 0;
}
va_list args;
va_start(args, data);
s32 res = vsnprintf(log_ctx->buf + log_ctx->end, max_log_sz - log_ctx->end, data, args);
va_end(args);
if (res < 0 || res >= (static_cast<s32>(max_log_sz - log_ctx->end))) {
SmcCopyToIram(IRAM_LOG_CTX_ADDR, working_buf, sizeof(working_buf));
return;
}
log_ctx->end += res;
SmcCopyToIram(IRAM_LOG_CTX_ADDR, working_buf, sizeof(working_buf));
}
#endif
#if defined(AMS_BUILD_FOR_AUDITING) || defined(AMS_BUILD_FOR_DEBUGGING)
void ViewLog() {
constexpr size_t PageSize = 4096;
for (size_t ofs = 0; ofs < fatal_handler_bin_size; ofs += PageSize) {
memcpy(&working_buf, fatal_handler_bin + ofs, std::min(fatal_handler_bin_size - ofs, PageSize));
SmcCopyToIram(ATMOSPHERE_IRAM_PAYLOAD_BASE + ofs, &working_buf, std::min(fatal_handler_bin_size - ofs, PageSize));
}
SmcRebootToIramPayload();
while(true){}
}
#endif
}

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@@ -0,0 +1,27 @@
/*
* Copyright (c) 2019 m4xw <m4x@m4xw.net>
* Copyright (c) 2019 Atmosphere-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/* See https://github.com/lulle2007200/emuMMC/blob/internal-emummc/source/ */
#pragma once
namespace ams::ldr::hoc {
void Log(const char *data, ...);
void ViewLog();
}

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@@ -0,0 +1,81 @@
ifeq ($(strip $(DEVKITARM)),)
$(error "Please set DEVKITARM in your environment. export DEVKITARM=<path to>devkitARM")
endif
include $(DEVKITARM)/base_rules
################################################################################
IPL_LOAD_ADDR := 0x40010000
################################################################################
THIS_MAKEFILE := $(abspath $(lastword $(MAKEFILE_LIST)))
CURRENT_DIRECTORY := $(abspath $(dir $(THIS_MAKEFILE)))
BUILDDIR := build
OUTPUTDIR := out
SOURCEDIR = fatal_handler
BDKDIR := bdk
GFXDIR := fatal_handler/gfx
TARGET := fatal_handler
BDKINC := -I$(BDKDIR)
GFXINC := -I$(GFXDIR)
GFX_INC := '"gfx.h"'
VPATH = $(dir ./$(SOURCEDIR)/) $(dir $(wildcard ./$(SOURCEDIR)/*/)) $(dir $(wildcard ./$(SOURCEDIR)/*/*/))
VPATH += $(dir $(wildcard ./$(BDKDIR)/)) $(dir $(wildcard ./$(BDKDIR)/*/)) $(dir $(wildcard ./$(BDKDIR)/*/*/))
OBJS = $(addprefix $(BUILDDIR)/$(TARGET)/, \
start.o exception_handlers.o irq.o main.o \
timer.o heap.o hw_init.o clock.o i2c.o gpio.o \
max7762x.o di.o util.o fuse.o pinmux.o \
secmon_exo.o gfx.o bpmp.o sdram.o minerva.o btn.o max77620-rtc.o se.o mc.o)
################################################################################
# BDK defines.
CUSTOMDEFINES := -DGFX_INC=$(GFX_INC)
CUSTOMDEFINES += -DBDK_MALLOC_NO_DEFRAG -DBDK_MC_ENABLE_AHB_REDIRECT -DBDK_EMUMMC_ENABLE
CUSTOMDEFINES += -DBDK_WATCHDOG_FIQ_ENABLE -DBDK_RESTART_BL_ON_WDT
INCDIRS := $(BDKINC) $(GFXINC)
WARNINGS := -Wall -Wsign-compare -Wno-array-bounds -Wno-stringop-overflow
ARCH := -march=armv4t -mtune=arm7tdmi -mthumb-interwork
CFLAGS = $(ARCH) -O2 -g -nostdlib -ffunction-sections -fdata-sections -fomit-frame-pointer -std=gnu11 $(WARNINGS) $(CUSTOMDEFINES)
LDFLAGS = $(ARCH) -nostartfiles -lgcc -Wl,--nmagic,--gc-sections -Xlinker --defsym=IPL_LOAD_ADDR=$(IPL_LOAD_ADDR)
################################################################################
BIN_TARGET := $(OUTPUTDIR)/$(TARGET).bin
BIN_OBJ := $(OUTPUTDIR)/$(TARGET).bin.o
BIN_HEADER := $(OUTPUTDIR)/$(TARGET)_bin.h
BIN_SYM := $(subst .,_,$(subst /,_,$(TARGET)))_bin
define bin2o
$(eval SYM := $(BIN_SYM))
$(eval BIN_SIZE := $(shell wc -c < $(BIN_TARGET)))
@$(OBJCOPY) --input-target binary --output-target elf32-littlearm --binary-architecture arm \
--redefine-sym _binary_$(shell echo $(BIN_TARGET) | tr '/.-' '___')_start=$(SYM) \
--redefine-sym _binary_$(shell echo $(BIN_TARGET) | tr '/.-' '___')_end=$(SYM)_end \
--redefine-sym _binary_$(shell echo $(BIN_TARGET) | tr '/.-' '___')_size=$(SYM)_size \
$(BIN_TARGET) $(BIN_OBJ)
@printf '#pragma once\n#include <stddef.h>\n#include <stdint.h>\nextern const uint8_t $(SYM)[];\nextern const uint8_t $(SYM)_end[];\n#if __cplusplus >= 201103L\nstatic constexpr size_t $(SYM)_size=$(BIN_SIZE);\n#else\nstatic const size_t $(SYM)_size=$(BIN_SIZE);\n#endif\n' > $(BIN_HEADER)
endef
################################################################################
.PHONY: all clean
all: $(BIN_OBJ) $(BIN_HEADER)
$(BIN_OBJ) $(BIN_HEADER): $(BIN_TARGET)
$(bin2o)
$(BIN_TARGET): $(BUILDDIR)/$(TARGET)/$(TARGET).elf
$(OBJCOPY) -S -O binary $< $(BIN_TARGET)
clean:
@rm -rf $(OBJS) $(BIN_OBJ) $(BIN_HEADER)
$(BUILDDIR)/$(TARGET)/$(TARGET).elf: $(OBJS)
@$(CC) $(LDFLAGS) -T $(SOURCEDIR)/link.ld $^ -o $@
$(BUILDDIR)/$(TARGET)/%.o: %.c
@$(CC) $(CFLAGS) $(INCDIRS) -c $< -o $@
$(BUILDDIR)/$(TARGET)/%.o: %.S
@$(CC) $(CFLAGS) -c $< -o $@
$(OBJS): $(BUILDDIR)/$(TARGET)
$(BUILDDIR)/$(TARGET):
@mkdir -p "$(BUILDDIR)"
@mkdir -p "$(BUILDDIR)/$(TARGET)"
@mkdir -p "$(OUTPUTDIR)"

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@@ -0,0 +1,558 @@
/*
* Copyright (c) 2018 naehrwert
* Copyright (c) 2018-2022 CTCaer
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdarg.h>
#include <string.h>
#include "gfx.h"
// Global gfx console and context.
gfx_ctxt_t gfx_ctxt;
gfx_con_t gfx_con;
static bool gfx_con_init_done = false;
static const u8 _gfx_font[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Char 032 ( )
0x00, 0x30, 0x30, 0x18, 0x18, 0x00, 0x0C, 0x00, // Char 033 (!)
0x00, 0x22, 0x22, 0x22, 0x00, 0x00, 0x00, 0x00, // Char 034 (")
0x00, 0x66, 0x66, 0xFF, 0x66, 0xFF, 0x66, 0x66, // Char 035 (#)
0x00, 0x18, 0x7C, 0x06, 0x3C, 0x60, 0x3E, 0x18, // Char 036 ($)
0x00, 0x46, 0x66, 0x30, 0x18, 0x0C, 0x66, 0x62, // Char 037 (%)
0x00, 0x3C, 0x66, 0x3C, 0x1C, 0xE6, 0x66, 0xFC, // Char 038 (&)
0x00, 0x18, 0x0C, 0x06, 0x00, 0x00, 0x00, 0x00, // Char 039 (')
0x00, 0x30, 0x18, 0x0C, 0x0C, 0x18, 0x30, 0x00, // Char 040 (()
0x00, 0x0C, 0x18, 0x30, 0x30, 0x18, 0x0C, 0x00, // Char 041 ())
0x00, 0x66, 0x3C, 0xFF, 0x3C, 0x66, 0x00, 0x00, // Char 042 (*)
0x00, 0x18, 0x18, 0x7E, 0x18, 0x18, 0x00, 0x00, // Char 043 (+)
0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x0C, 0x00, // Char 044 (,)
0x00, 0x00, 0x00, 0x3E, 0x00, 0x00, 0x00, 0x00, // Char 045 (-)
0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x00, // Char 046 (.)
0x00, 0x40, 0x60, 0x30, 0x18, 0x0C, 0x06, 0x00, // Char 047 (/)
0x00, 0x3C, 0x66, 0x76, 0x6E, 0x66, 0x3C, 0x00, // Char 048 (0)
0x00, 0x18, 0x1C, 0x18, 0x18, 0x18, 0x7E, 0x00, // Char 049 (1)
0x00, 0x3C, 0x62, 0x30, 0x0C, 0x06, 0x7E, 0x00, // Char 050 (2)
0x00, 0x3C, 0x62, 0x38, 0x60, 0x66, 0x3C, 0x00, // Char 051 (3)
0x00, 0x6C, 0x6C, 0x66, 0xFE, 0x60, 0x60, 0x00, // Char 052 (4)
0x00, 0x7E, 0x06, 0x7E, 0x60, 0x66, 0x3C, 0x00, // Char 053 (5)
0x00, 0x3C, 0x06, 0x3E, 0x66, 0x66, 0x3C, 0x00, // Char 054 (6)
0x00, 0x7E, 0x30, 0x30, 0x18, 0x18, 0x18, 0x00, // Char 055 (7)
0x00, 0x3C, 0x66, 0x3C, 0x66, 0x66, 0x3C, 0x00, // Char 056 (8)
0x00, 0x3C, 0x66, 0x7C, 0x60, 0x66, 0x3C, 0x00, // Char 057 (9)
0x00, 0x00, 0x18, 0x00, 0x00, 0x00, 0x18, 0x00, // Char 058 (:)
0x00, 0x00, 0x18, 0x00, 0x18, 0x18, 0x0C, 0x00, // Char 059 (;)
0x00, 0x70, 0x1C, 0x06, 0x06, 0x1C, 0x70, 0x00, // Char 060 (<)
0x00, 0x00, 0x3E, 0x00, 0x3E, 0x00, 0x00, 0x00, // Char 061 (=)
0x00, 0x0E, 0x38, 0x60, 0x60, 0x38, 0x0E, 0x00, // Char 062 (>)
0x00, 0x3C, 0x66, 0x30, 0x18, 0x00, 0x18, 0x00, // Char 063 (?)
0x00, 0x3C, 0x66, 0x76, 0x76, 0x06, 0x46, 0x3C, // Char 064 (@)
0x00, 0x3C, 0x66, 0x7E, 0x66, 0x66, 0x66, 0x00, // Char 065 (A)
0x00, 0x3E, 0x66, 0x3E, 0x66, 0x66, 0x3E, 0x00, // Char 066 (B)
0x00, 0x3C, 0x66, 0x06, 0x06, 0x66, 0x3C, 0x00, // Char 067 (C)
0x00, 0x1E, 0x36, 0x66, 0x66, 0x36, 0x1E, 0x00, // Char 068 (D)
0x00, 0x7E, 0x06, 0x1E, 0x06, 0x06, 0x7E, 0x00, // Char 069 (E)
0x00, 0x3E, 0x06, 0x1E, 0x06, 0x06, 0x06, 0x00, // Char 070 (F)
0x00, 0x3C, 0x66, 0x06, 0x76, 0x66, 0x3C, 0x00, // Char 071 (G)
0x00, 0x66, 0x66, 0x7E, 0x66, 0x66, 0x66, 0x00, // Char 072 (H)
0x00, 0x3C, 0x18, 0x18, 0x18, 0x18, 0x3C, 0x00, // Char 073 (I)
0x00, 0x78, 0x30, 0x30, 0x30, 0x36, 0x1C, 0x00, // Char 074 (J)
0x00, 0x66, 0x36, 0x1E, 0x1E, 0x36, 0x66, 0x00, // Char 075 (K)
0x00, 0x06, 0x06, 0x06, 0x06, 0x06, 0x7E, 0x00, // Char 076 (L)
0x00, 0x46, 0x6E, 0x7E, 0x56, 0x46, 0x46, 0x00, // Char 077 (M)
0x00, 0x66, 0x6E, 0x7E, 0x76, 0x66, 0x66, 0x00, // Char 078 (N)
0x00, 0x3C, 0x66, 0x66, 0x66, 0x66, 0x3C, 0x00, // Char 079 (O)
0x00, 0x3E, 0x66, 0x3E, 0x06, 0x06, 0x06, 0x00, // Char 080 (P)
0x00, 0x3C, 0x66, 0x66, 0x66, 0x3C, 0x70, 0x00, // Char 081 (Q)
0x00, 0x3E, 0x66, 0x3E, 0x1E, 0x36, 0x66, 0x00, // Char 082 (R)
0x00, 0x3C, 0x66, 0x0C, 0x30, 0x66, 0x3C, 0x00, // Char 083 (S)
0x00, 0x7E, 0x18, 0x18, 0x18, 0x18, 0x18, 0x00, // Char 084 (T)
0x00, 0x66, 0x66, 0x66, 0x66, 0x66, 0x3C, 0x00, // Char 085 (U)
0x00, 0x66, 0x66, 0x66, 0x66, 0x3C, 0x18, 0x00, // Char 086 (V)
0x00, 0x46, 0x46, 0x56, 0x7E, 0x6E, 0x46, 0x00, // Char 087 (W)
0x00, 0x66, 0x3C, 0x18, 0x3C, 0x66, 0x66, 0x00, // Char 088 (X)
0x00, 0x66, 0x66, 0x3C, 0x18, 0x18, 0x18, 0x00, // Char 089 (Y)
0x00, 0x7E, 0x30, 0x18, 0x0C, 0x06, 0x7E, 0x00, // Char 090 (Z)
0x00, 0x3C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x3C, // Char 091 ([)
0x00, 0x06, 0x0C, 0x18, 0x30, 0x60, 0x40, 0x00, // Char 092 (\)
0x00, 0x3C, 0x30, 0x30, 0x30, 0x30, 0x30, 0x3C, // Char 093 (])
0x00, 0x18, 0x3C, 0x66, 0x00, 0x00, 0x00, 0x00, // Char 094 (^)
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, // Char 095 (_)
0x00, 0x0C, 0x18, 0x30, 0x00, 0x00, 0x00, 0x00, // Char 096 (`)
0x00, 0x00, 0x3C, 0x60, 0x7C, 0x66, 0x7C, 0x00, // Char 097 (a)
0x00, 0x06, 0x06, 0x3E, 0x66, 0x66, 0x3E, 0x00, // Char 098 (b)
0x00, 0x00, 0x3C, 0x06, 0x06, 0x06, 0x3C, 0x00, // Char 099 (c)
0x00, 0x60, 0x60, 0x7C, 0x66, 0x66, 0x7C, 0x00, // Char 100 (d)
0x00, 0x00, 0x3C, 0x66, 0x7E, 0x06, 0x3C, 0x00, // Char 101 (e)
0x00, 0x38, 0x0C, 0x3E, 0x0C, 0x0C, 0x0C, 0x00, // Char 102 (f)
0x00, 0x00, 0x7C, 0x66, 0x7C, 0x40, 0x3C, 0x00, // Char 103 (g)
0x00, 0x06, 0x06, 0x3E, 0x66, 0x66, 0x66, 0x00, // Char 104 (h)
0x00, 0x18, 0x00, 0x1C, 0x18, 0x18, 0x3C, 0x00, // Char 105 (i)
0x00, 0x30, 0x00, 0x30, 0x30, 0x30, 0x1E, 0x00, // Char 106 (j)
0x00, 0x06, 0x06, 0x36, 0x1E, 0x36, 0x66, 0x00, // Char 107 (k)
0x00, 0x1C, 0x18, 0x18, 0x18, 0x18, 0x3C, 0x00, // Char 108 (l)
0x00, 0x00, 0x66, 0xFE, 0xFE, 0xD6, 0xC6, 0x00, // Char 109 (m)
0x00, 0x00, 0x3E, 0x66, 0x66, 0x66, 0x66, 0x00, // Char 110 (n)
0x00, 0x00, 0x3C, 0x66, 0x66, 0x66, 0x3C, 0x00, // Char 111 (o)
0x00, 0x00, 0x3E, 0x66, 0x66, 0x3E, 0x06, 0x00, // Char 112 (p)
0x00, 0x00, 0x7C, 0x66, 0x66, 0x7C, 0x60, 0x00, // Char 113 (q)
0x00, 0x00, 0x3E, 0x66, 0x06, 0x06, 0x06, 0x00, // Char 114 (r)
0x00, 0x00, 0x7C, 0x06, 0x3C, 0x60, 0x3E, 0x00, // Char 115 (s)
0x00, 0x18, 0x7E, 0x18, 0x18, 0x18, 0x70, 0x00, // Char 116 (t)
0x00, 0x00, 0x66, 0x66, 0x66, 0x66, 0x7C, 0x00, // Char 117 (u)
0x00, 0x00, 0x66, 0x66, 0x66, 0x3C, 0x18, 0x00, // Char 118 (v)
0x00, 0x00, 0xC6, 0xD6, 0xFE, 0x7C, 0x6C, 0x00, // Char 119 (w)
0x00, 0x00, 0x66, 0x3C, 0x18, 0x3C, 0x66, 0x00, // Char 120 (x)
0x00, 0x00, 0x66, 0x66, 0x7C, 0x60, 0x3C, 0x00, // Char 121 (y)
0x00, 0x00, 0x7E, 0x30, 0x18, 0x0C, 0x7E, 0x00, // Char 122 (z)
0x00, 0x18, 0x08, 0x08, 0x04, 0x08, 0x08, 0x18, // Char 123 ({)
0x00, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, // Char 124 (|)
0x00, 0x0C, 0x08, 0x08, 0x10, 0x08, 0x08, 0x0C, // Char 125 (})
0x00, 0x00, 0x00, 0x4C, 0x32, 0x00, 0x00, 0x00 // Char 126 (~)
};
void gfx_clear_grey(u8 color)
{
memset(gfx_ctxt.fb, color, gfx_ctxt.width * gfx_ctxt.height * 4);
}
void gfx_clear_partial_grey(u8 color, u32 pos_x, u32 height)
{
memset(gfx_ctxt.fb + pos_x * gfx_ctxt.stride, color, height * 4 * gfx_ctxt.stride);
}
void gfx_clear_color(u32 color)
{
for (u32 i = 0; i < gfx_ctxt.width * gfx_ctxt.height; i++)
gfx_ctxt.fb[i] = color;
}
void gfx_init_ctxt(u32 *fb, u32 width, u32 height, u32 stride)
{
gfx_ctxt.fb = fb;
gfx_ctxt.width = width;
gfx_ctxt.height = height;
gfx_ctxt.stride = stride;
}
void gfx_con_init()
{
gfx_con.gfx_ctxt = &gfx_ctxt;
gfx_con.fntsz = 16;
gfx_con.x = 0;
gfx_con.y = 0;
gfx_con.savedx = 0;
gfx_con.savedy = 0;
gfx_con.fgcol = TXT_CLR_DEFAULT;
gfx_con.fillbg = 1;
gfx_con.bgcol = TXT_CLR_BG;
gfx_con.mute = 0;
gfx_con_init_done = true;
}
void gfx_con_setcol(u32 fgcol, int fillbg, u32 bgcol)
{
gfx_con.fgcol = fgcol;
gfx_con.fillbg = fillbg;
gfx_con.bgcol = bgcol;
}
void gfx_con_getpos(u32 *x, u32 *y)
{
*x = gfx_con.x;
*y = gfx_con.y;
}
void gfx_con_setpos(u32 x, u32 y)
{
gfx_con.x = x;
gfx_con.y = y;
}
void gfx_putc(char c)
{
// Duplicate code for performance reasons.
switch (gfx_con.fntsz)
{
case 16:
if (c >= 32 && c <= 126)
{
u8 *cbuf = (u8 *)&_gfx_font[8 * (c - 32)];
u32 *fb = gfx_ctxt.fb + gfx_con.x + gfx_con.y * gfx_ctxt.stride;
for (u32 i = 0; i < 16; i += 2)
{
u8 v = *cbuf;
for (u32 k = 0; k < 2; k++)
{
for (u32 j = 0; j < 8; j++)
{
if (v & 1)
{
*fb = gfx_con.fgcol;
fb++;
*fb = gfx_con.fgcol;
}
else if (gfx_con.fillbg)
{
*fb = gfx_con.bgcol;
fb++;
*fb = gfx_con.bgcol;
}
else
fb++;
v >>= 1;
fb++;
}
fb += gfx_ctxt.stride - 16;
v = *cbuf;
}
cbuf++;
}
gfx_con.x += 16;
}
else if (c == '\n')
{
gfx_con.x = 0;
gfx_con.y += 16;
if (gfx_con.y > gfx_ctxt.height - 16)
gfx_con.y = 0;
}
break;
case 8:
default:
if (c >= 32 && c <= 126)
{
u8 *cbuf = (u8 *)&_gfx_font[8 * (c - 32)];
u32 *fb = gfx_ctxt.fb + gfx_con.x + gfx_con.y * gfx_ctxt.stride;
for (u32 i = 0; i < 8; i++)
{
u8 v = *cbuf++;
for (u32 j = 0; j < 8; j++)
{
if (v & 1)
*fb = gfx_con.fgcol;
else if (gfx_con.fillbg)
*fb = gfx_con.bgcol;
v >>= 1;
fb++;
}
fb += gfx_ctxt.stride - 8;
}
gfx_con.x += 8;
}
else if (c == '\n')
{
gfx_con.x = 0;
gfx_con.y += 8;
if (gfx_con.y > gfx_ctxt.height - 8)
gfx_con.y = 0;
}
break;
}
}
void gfx_puts(const char *s)
{
if (!s || !gfx_con_init_done || gfx_con.mute)
return;
for (; *s; s++)
gfx_putc(*s);
}
static void _gfx_putn(u32 v, int base, char fill, int fcnt)
{
static const char digits[] = "0123456789ABCDEF";
char *p;
char buf[65];
int c = fcnt;
bool negative = false;
if (base != 10 && base != 16)
return;
// Account for negative numbers.
if (base == 10 && v & 0x80000000)
{
negative = true;
v = (int)v * -1;
c--;
}
p = buf + 64;
*p = 0;
do
{
c--;
*--p = digits[v % base];
v /= base;
} while (v);
if (negative)
*--p = '-';
if (fill != 0)
{
while (c > 0 && p > buf)
{
*--p = fill;
c--;
}
}
gfx_puts(p);
}
void gfx_put_small_sep()
{
u8 prevFontSize = gfx_con.fntsz;
gfx_con.fntsz = 8;
gfx_putc('\n');
gfx_con.fntsz = prevFontSize;
}
void gfx_put_big_sep()
{
u8 prevFontSize = gfx_con.fntsz;
gfx_con.fntsz = 16;
gfx_putc('\n');
gfx_con.fntsz = prevFontSize;
}
void gfx_printf(const char *fmt, ...)
{
if (!gfx_con_init_done || gfx_con.mute)
return;
va_list ap;
int fill, fcnt;
va_start(ap, fmt);
while (*fmt)
{
if (*fmt == '%')
{
fmt++;
fill = 0;
fcnt = 0;
if ((*fmt >= '0' && *fmt <= '9') || *fmt == ' ')
{
fcnt = *fmt;
fmt++;
if (*fmt >= '0' && *fmt <= '9')
{
fill = fcnt;
fcnt = *fmt - '0';
fmt++;
}
else
{
fill = ' ';
fcnt -= '0';
}
}
switch(*fmt)
{
case 'c':
gfx_putc(va_arg(ap, u32));
break;
case 's':
gfx_puts(va_arg(ap, char *));
break;
case 'd':
_gfx_putn(va_arg(ap, u32), 10, fill, fcnt);
break;
case 'p':
case 'P':
case 'x':
case 'X':
_gfx_putn(va_arg(ap, u32), 16, fill, fcnt);
break;
case 'k':
gfx_con.fgcol = va_arg(ap, u32);
break;
case 'K':
gfx_con.bgcol = va_arg(ap, u32);
gfx_con.fillbg = 1;
break;
case '%':
gfx_putc('%');
break;
case '\0':
goto out;
default:
gfx_putc('%');
gfx_putc(*fmt);
break;
}
}
else
gfx_putc(*fmt);
fmt++;
}
out:
va_end(ap);
}
static void _gfx_cputs(u32 color, const char *s)
{
gfx_con.fgcol = color;
gfx_puts(s);
gfx_putc('\n');
gfx_con.fgcol = TXT_CLR_DEFAULT;
}
void gfx_wputs(const char *s) { _gfx_cputs(TXT_CLR_WARNING, s); }
void gfx_eputs(const char *s) { _gfx_cputs(TXT_CLR_ERROR, s); }
void gfx_hexdump(u32 base, const void *buf, u32 len)
{
if (!gfx_con_init_done || gfx_con.mute)
return;
u8 *buff = (u8 *)buf;
u8 prevFontSize = gfx_con.fntsz;
gfx_con.fntsz = 8;
for (u32 i = 0; i < len; i++)
{
if (i % 0x10 == 0)
{
if (i != 0)
{
gfx_puts("| ");
for (u32 j = 0; j < 0x10; j++)
{
u8 c = buff[i - 0x10 + j];
if (c >= 32 && c <= 126)
gfx_putc(c);
else
gfx_putc('.');
}
gfx_putc('\n');
}
gfx_printf("%08x: ", base + i);
}
gfx_printf("%02x ", buff[i]);
if (i == len - 1)
{
int ln = len % 0x10 != 0;
u32 k = 0x10 - 1;
if (ln)
{
k = (len & 0xF) - 1;
for (u32 j = 0; j < 0x10 - k; j++)
gfx_puts(" ");
}
gfx_puts("| ");
for (u32 j = 0; j < (ln ? k : k + 1); j++)
{
u8 c = buff[i - k + j];
if (c >= 32 && c <= 126)
gfx_putc(c);
else
gfx_putc('.');
}
gfx_putc('\n');
}
}
gfx_putc('\n');
gfx_con.fntsz = prevFontSize;
}
static int abs(int x)
{
if (x < 0)
return -x;
return x;
}
void gfx_set_pixel(u32 x, u32 y, u32 color)
{
gfx_ctxt.fb[x + y * gfx_ctxt.stride] = color;
}
void gfx_line(int x0, int y0, int x1, int y1, u32 color)
{
int dx = abs(x1 - x0), sx = x0 < x1 ? 1 : -1;
int dy = abs(y1 - y0), sy = y0 < y1 ? 1 : -1;
int err = (dx > dy ? dx : -dy) / 2, e2;
while (1)
{
gfx_set_pixel(x0, y0, color);
if (x0 == x1 && y0 == y1)
break;
e2 = err;
if (e2 >-dx)
{
err -= dy;
x0 += sx;
}
if (e2 < dy)
{
err += dx;
y0 += sy;
}
}
}
void gfx_set_rect_grey(const u8 *buf, u32 size_x, u32 size_y, u32 pos_x, u32 pos_y)
{
u32 pos = 0;
for (u32 y = pos_y; y < (pos_y + size_y); y++)
{
for (u32 x = pos_x; x < (pos_x + size_x); x++)
{
memset(&gfx_ctxt.fb[x + y*gfx_ctxt.stride], buf[pos], 4);
pos++;
}
}
}
void gfx_set_rect_rgb(const u8 *buf, u32 size_x, u32 size_y, u32 pos_x, u32 pos_y)
{
u32 pos = 0;
for (u32 y = pos_y; y < (pos_y + size_y); y++)
{
for (u32 x = pos_x; x < (pos_x + size_x); x++)
{
gfx_ctxt.fb[x + y * gfx_ctxt.stride] = buf[pos + 2] | (buf[pos + 1] << 8) | (buf[pos] << 16);
pos+=3;
}
}
}
void gfx_set_rect_argb(const u32 *buf, u32 size_x, u32 size_y, u32 pos_x, u32 pos_y)
{
u32 *ptr = (u32 *)buf;
for (u32 y = pos_y; y < (pos_y + size_y); y++)
for (u32 x = pos_x; x < (pos_x + size_x); x++)
gfx_ctxt.fb[x + y * gfx_ctxt.stride] = *ptr++;
}
void gfx_render_bmp_argb(const u32 *buf, u32 size_x, u32 size_y, u32 pos_x, u32 pos_y)
{
for (u32 y = pos_y; y < (pos_y + size_y); y++)
{
for (u32 x = pos_x; x < (pos_x + size_x); x++)
gfx_ctxt.fb[x + y * gfx_ctxt.stride] = buf[(size_y + pos_y - 1 - y ) * size_x + x - pos_x];
}
}

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@@ -0,0 +1,94 @@
/*
* Copyright (c) 2018 naehrwert
* Copyright (c) 2018-2021 CTCaer
* Copyright (c) 2018 M4xw
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _GFX_H_
#define _GFX_H_
#include <bdk.h>
#define TXT_CLR_BG 0xFF1B1B1B // Dark Grey.
#define TXT_CLR_DEFAULT 0xFFCCCCCC // Light Grey.
#define TXT_CLR_WARNING 0xFFFFDD00 // Yellow.
#define TXT_CLR_ERROR 0xFFFF0000 // Red.
#define TXT_CLR_CYAN_L 0xFF00CCFF // Light Cyan.
#define TXT_CLR_TURQUOISE 0xFF00FFCC // Turquoise.
#define TXT_CLR_ORANGE 0xFFFFBA00 // Orange.
#define TXT_CLR_GREENISH 0xFF96FF00 // Toxic Green.
#define TXT_CLR_GREEN_D 0xFF008800 // Dark Green.
#define TXT_CLR_RED_D 0xFF880000 // Dark Red.
#define TXT_CLR_GREY_D 0xFF303030 // Darkest Grey.
#define TXT_CLR_GREY_DM 0xFF444444 // Darker Grey.
#define TXT_CLR_GREY_M 0xFF555555 // Dark Grey.
#define TXT_CLR_GREY 0xFF888888 // Grey.
#define EPRINTF(text) gfx_eputs(text)
#define EPRINTFARGS(text, args...) gfx_printf("%k"text"%k\n", TXT_CLR_ERROR, args, TXT_CLR_DEFAULT)
#define WPRINTF(text) gfx_wputs(text)
#define WPRINTFARGS(text, args...) gfx_printf("%k"text"%k\n", TXT_CLR_WARNING, args, TXT_CLR_DEFAULT)
typedef struct _gfx_ctxt_t
{
u32 *fb;
u32 width;
u32 height;
u32 stride;
} gfx_ctxt_t;
typedef struct _gfx_con_t
{
gfx_ctxt_t *gfx_ctxt;
u32 fntsz;
u32 x;
u32 y;
u32 savedx;
u32 savedy;
u32 fgcol;
int fillbg;
u32 bgcol;
bool mute;
} gfx_con_t;
// Global gfx console and context.
extern gfx_ctxt_t gfx_ctxt;
extern gfx_con_t gfx_con;
void gfx_init_ctxt(u32 *fb, u32 width, u32 height, u32 stride);
void gfx_clear_grey(u8 color);
void gfx_clear_partial_grey(u8 color, u32 pos_x, u32 height);
void gfx_clear_color(u32 color);
void gfx_con_init();
void gfx_con_setcol(u32 fgcol, int fillbg, u32 bgcol);
void gfx_con_getpos(u32 *x, u32 *y);
void gfx_con_setpos(u32 x, u32 y);
void gfx_putc(char c);
void gfx_puts(const char *s);
void gfx_wputs(const char *s);
void gfx_eputs(const char *s);
void gfx_printf(const char *fmt, ...) /* __attribute__((format(printf, 1, 2))) */;
void gfx_hexdump(u32 base, const void *buf, u32 len);
void gfx_set_pixel(u32 x, u32 y, u32 color);
void gfx_line(int x0, int y0, int x1, int y1, u32 color);
void gfx_put_small_sep();
void gfx_put_big_sep();
void gfx_set_rect_grey(const u8 *buf, u32 size_x, u32 size_y, u32 pos_x, u32 pos_y);
void gfx_set_rect_rgb(const u8 *buf, u32 size_x, u32 size_y, u32 pos_x, u32 pos_y);
void gfx_set_rect_argb(const u32 *buf, u32 size_x, u32 size_y, u32 pos_x, u32 pos_y);
void gfx_render_bmp_argb(const u32 *buf, u32 size_x, u32 size_y, u32 pos_x, u32 pos_y);
#endif

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@@ -0,0 +1,114 @@
/*
* Copyright (c) 2018-2024 CTCaer
* Copyright (c) 2019 Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <bdk.h>
#include "secmon_exo.h"
// Atmosphère reboot-to-fatal-error.
typedef struct _atm_fatal_error_ctx
{
u32 magic;
u32 error_desc;
u64 title_id;
union
{
u64 gprs[32];
struct
{
u64 _gprs[29];
u64 fp;
u64 lr;
u64 sp;
};
};
u64 pc;
u64 module_base;
u32 pstate;
u32 afsr0;
u32 afsr1;
u32 esr;
u64 far;
u64 report_identifier; // Normally just system tick.
u64 stack_trace_size;
u64 stack_dump_size;
u64 stack_trace[0x20];
u8 stack_dump[0x100];
u8 tls[0x100];
} atm_fatal_error_ctx;
#define ATM_FATAL_ERR_CTX_ADDR 0x4003E000
#define ATM_FATAL_MAGIC 0x30454641 // AFE0
#define HOS_PID_BOOT2 0x8
static const char *get_error_desc(u32 error_desc)
{
switch (error_desc)
{
case 0x100:
return "IABRT"; // Instruction Abort.
case 0x101:
return "DABRT"; // Data Abort.
case 0x102:
return "IUA"; // Instruction Unaligned Access.
case 0x103:
return "DUA"; // Data Unaligned Access.
case 0x104:
return "UDF"; // Undefined Instruction.
case 0x106:
return "SYS"; // System Error.
case 0x301:
return "SVC"; // Bad arguments or unimplemented SVC.
case 0xF00:
return "KRNL"; // Kernel panic.
case 0xFFD:
return "SO"; // Stack Overflow.
case 0xFFE:
return "std::abort";
default:
return "UNK";
}
}
void secmon_exo_check_panic()
{
volatile atm_fatal_error_ctx *rpt = (atm_fatal_error_ctx *)ATM_FATAL_ERR_CTX_ADDR;
// Mask magic to maintain compatibility with any AFE version, thanks to additive struct members.
if ((rpt->magic & 0xF0FFFFFF) != ATM_FATAL_MAGIC)
return;
gfx_clear_grey(0x1B);
gfx_con_setpos(0, 0);
WPRINTF("Panic occurred while running Atmosphere.\n\n");
WPRINTFARGS("Title ID: %08X%08X", (u32)((u64)rpt->title_id >> 32), (u32)rpt->title_id);
WPRINTFARGS("Error: %s (0x%x)\n", get_error_desc(rpt->error_desc), rpt->error_desc);
// Check if mixed atmosphere sysmodules.
if ((u32)rpt->title_id == HOS_PID_BOOT2)
WPRINTF("Mismatched Atmosphere files?\n");
// Change magic to invalid, to prevent double-display of error/bootlooping.
rpt->magic = 0;
display_backlight_brightness(100, 1000);
}

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/*
* Copyright (c) 2018-2021 CTCaer
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _SECMON_EXO_H_
#define _SECMON_EXO_H_
#include <bdk.h>
void secmon_exo_check_panic();
#endif

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@@ -0,0 +1,25 @@
ENTRY(_start)
SECTIONS {
PROVIDE(__ipl_start = IPL_LOAD_ADDR);
. = __ipl_start;
.text : {
*(.text._start);
KEEP(*(._boot_cfg));
KEEP(*(._ipl_version));
*(.text._irq_setup);
*(.text*);
}
.data : {
*(.data*);
*(.rodata*);
}
. = ALIGN(0x10);
__ipl_end = .;
.bss : {
__bss_start = .;
*(COMMON)
*(.bss*)
__bss_end = .;
}
}

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@@ -0,0 +1,92 @@
/*
* Copyright (c) 2018 naehrwert
*
* Copyright (c) 2018-2024 CTCaer
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <bdk.h>
#include "hos/secmon_exo.h"
typedef struct _log_ctx
{
u32 magic;
u32 sz;
u32 start;
u32 end;
char buf[];
} log_ctx_t;
#define IRAM_LOG_CTX_ADDR 0x4003C000
static void check_log(){
volatile log_ctx_t *log_ctx = (log_ctx_t*)IRAM_LOG_CTX_ADDR;
if(log_ctx->magic == 0xaabbccdd){
gfx_printf("\nLogs:\n");
gfx_printf((char*)log_ctx->buf);
}
}
volatile nyx_storage_t *nyx_str = (nyx_storage_t *)NYX_STORAGE_ADDR;
extern void pivot_stack(u32 stack_top);
void ipl_main()
{
// Do initial HW configuration. This is compatible with consecutive reruns without a reset.
hw_init();
// Pivot the stack under IPL. (Only max 4KB is needed).
pivot_stack(IPL_LOAD_ADDR);
// Place heap at a place outside of L4T/HOS configuration and binaries.
heap_init((void *)IPL_HEAP_START);
// Prep RTC regs for read. Needed for T210B01 R2C.
max77620_rtc_prep_read();
// Initialize display.
display_init();
u32 *fb = display_init_window_a_pitch();
gfx_init_ctxt(fb, 720, 1280, 720);
gfx_con_init();
// Initialize backlight PWM.
display_backlight_pwm_init();
display_backlight_brightness(100, 0);
// Show AMS errors
secmon_exo_check_panic();
check_log();
gfx_printf("\n\nPress POWER to power off\nPress VOLUME to boot RCM\n");
msleep(250);
do{
u8 btn = btn_read();
if(btn & BTN_POWER){
power_set_state(POWER_OFF);
}
if(btn & (BTN_VOL_DOWN | BTN_VOL_UP)){
power_set_state(REBOOT_RCM);
}
}while(true);
// Halt BPMP if we managed to get out of execution.
while (true)
bpmp_halt();
}

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@@ -0,0 +1,78 @@
/*
* Copyright (c) 2018 naehrwert
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
.section .text._start
.arm
.extern _reloc_ipl
.type _reloc_ipl, %function
.extern memset
.type memset, %function
.extern _irq_setup
.type _irq_setup, %function
.globl _start
.type _start, %function
_start:
ADR R0, _start
LDR R1, =__ipl_start
CMP R0, R1
BEQ _real_start
/* If we are not in the right location already, copy a relocator to upper IRAM. */
ADR R2, _reloc_ipl
LDR R3, =0x4003FF00
MOV R4, #(_real_start - _reloc_ipl)
_copy_loop:
LDMIA R2!, {R5}
STMIA R3!, {R5}
SUBS R4, #4
BNE _copy_loop
/* Use the relocator to copy ourselves into the right place. */
LDR R2, =__ipl_end
SUB R2, R2, R1
LDR R3, =_real_start
LDR R4, =0x4003FF00
BX R4
_reloc_ipl:
LDMIA R0!, {R4-R7}
STMIA R1!, {R4-R7}
SUBS R2, #0x10
BNE _reloc_ipl
/* Jump to the relocated entry. */
BX R3
_real_start:
/* Initially, we place our stack under relocator but will move it to under the payload. */
/* This depends on application scope. */
LDR SP, =0x4003FF00
LDR R0, =__bss_start
EOR R1, R1, R1
LDR R2, =__bss_end
SUB R2, R2, R0
BL memset
BL _irq_setup
B .
.globl pivot_stack
.type pivot_stack, %function
pivot_stack:
MOV SP, R0
BX LR