mirror of
https://github.com/Atmosphere-NX/Atmosphere
synced 2024-11-09 22:56:35 +00:00
sept: fix undefined behavior with emummc
This commit is contained in:
Michael Scire
parent
a4daa0761a
commit
c8f2d17d02
6 changed files with 13 additions and 38 deletions
|
|
@ -39,7 +39,7 @@ DEFINES := -D__BPMP__ -DFUSEE_STAGE1_SRC -DATMOSPHERE_GIT_BRANCH=\"$(AMSBRANCH)\
|
|||
|
||||
CFLAGS := \
|
||||
-g \
|
||||
-O2 \
|
||||
-Os \
|
||||
-fomit-frame-pointer \
|
||||
-ffunction-sections \
|
||||
-fdata-sections \
|
||||
|
|
@ -76,15 +76,14 @@ export OUTPUT := $(CURDIR)/$(TARGET)
|
|||
export TOPDIR := $(CURDIR)
|
||||
|
||||
export VPATH := $(foreach dir,$(SOURCES),$(CURDIR)/$(dir)) \
|
||||
$(foreach dir,$(DATA),$(CURDIR)/$(dir)) \
|
||||
$(AMS)/exosphere/rebootstub
|
||||
$(foreach dir,$(DATA),$(CURDIR)/$(dir))
|
||||
|
||||
export DEPSDIR := $(CURDIR)/$(BUILD)
|
||||
|
||||
CFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.c)))
|
||||
CPPFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.cpp)))
|
||||
SFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.s)))
|
||||
BINFILES := $(foreach dir,$(DATA),$(notdir $(wildcard $(dir)/*.*))) rebootstub.bin
|
||||
BINFILES := $(foreach dir,$(DATA),$(notdir $(wildcard $(dir)/*.*)))
|
||||
|
||||
#---------------------------------------------------------------------------------
|
||||
# use CXX for linking C++ projects, CC for standard C
|
||||
|
|
@ -111,13 +110,10 @@ export INCLUDE := $(foreach dir,$(INCLUDES),-I$(CURDIR)/$(dir)) \
|
|||
|
||||
export LIBPATHS := $(foreach dir,$(LIBDIRS),-L$(dir)/lib)
|
||||
|
||||
.PHONY: $(BUILD) clean all check_rebootstub
|
||||
.PHONY: $(BUILD) clean all
|
||||
|
||||
#---------------------------------------------------------------------------------
|
||||
all: check_rebootstub $(BUILD)
|
||||
|
||||
check_rebootstub:
|
||||
@$(MAKE) -C $(AMS)/exosphere/rebootstub all
|
||||
all: $(BUILD)
|
||||
|
||||
$(BUILD):
|
||||
@[ -d $@ ] || mkdir -p $@
|
||||
|
|
@ -126,7 +122,6 @@ $(BUILD):
|
|||
#---------------------------------------------------------------------------------
|
||||
clean:
|
||||
@echo clean ...
|
||||
@$(MAKE) -C $(AMS)/exosphere/rebootstub clean
|
||||
@rm -fr $(BUILD) $(TARGET).bin $(TARGET).elf
|
||||
|
||||
|
||||
|
|
|
|||
|
|
@ -12,7 +12,7 @@ PHDRS
|
|||
MEMORY
|
||||
{
|
||||
NULL : ORIGIN = 0x00000000, LENGTH = 0x1000
|
||||
main : ORIGIN = 0x40010040, LENGTH = 0x1000
|
||||
main : ORIGIN = 0x40010000, LENGTH = 0x1000
|
||||
high_iram : ORIGIN = 0x4003F000, LENGTH = 0x1000
|
||||
low_iram : ORIGIN = 0x40003000, LENGTH = 0x8000
|
||||
}
|
||||
|
|
@ -20,7 +20,7 @@ MEMORY
|
|||
SECTIONS
|
||||
{
|
||||
PROVIDE(__crt0_start__ = 0x4003F000);
|
||||
PROVIDE(__main_start__ = 0x40010040);
|
||||
PROVIDE(__main_start__ = 0x40010000);
|
||||
PROVIDE(__stack_top__ = 0x40010000);
|
||||
PROVIDE(__stack_bottom__ = 0x4000C000);
|
||||
PROVIDE(__heap_start__ = 0);
|
||||
|
|
|
|||
|
|
@ -190,7 +190,7 @@ int load_tsec_fw(void) {
|
|||
int main(void) {
|
||||
/* Setup vectors */
|
||||
setup_exception_vectors();
|
||||
|
||||
|
||||
volatile tegra_pmc_t *pmc = pmc_get_regs();
|
||||
volatile tegra_car_t *car = car_get_regs();
|
||||
|
||||
|
|
|
|||
|
|
@ -93,6 +93,10 @@ ipatch_word:
|
|||
.global jump_to_main
|
||||
.type jump_to_main, %function
|
||||
jump_to_main:
|
||||
/* Insert 0x40 of NOPs, for version compatibility. */
|
||||
.rept 16
|
||||
nop
|
||||
.endr
|
||||
/* Just jump to main */
|
||||
ldr sp, =__stack_top__
|
||||
b main
|
||||
|
|
|
|||
|
|
@ -27,12 +27,6 @@
|
|||
|
||||
#include <inttypes.h>
|
||||
|
||||
#define u8 uint8_t
|
||||
#define u32 uint32_t
|
||||
#include "rebootstub_bin.h"
|
||||
#undef u8
|
||||
#undef u32
|
||||
|
||||
void wait(uint32_t microseconds) {
|
||||
uint32_t old_time = TIMERUS_CNTR_1US_0;
|
||||
while (TIMERUS_CNTR_1US_0 - old_time <= microseconds) {
|
||||
|
|
@ -63,29 +57,12 @@ __attribute__((noreturn)) void pmc_reboot(uint32_t scratch0) {
|
|||
}
|
||||
}
|
||||
|
||||
__attribute__((noreturn)) void reboot_to_self(void) {
|
||||
/* Patch SDRAM init to perform an SVC immediately after second write */
|
||||
APBDEV_PMC_SCRATCH45_0 = 0x2E38DFFF;
|
||||
APBDEV_PMC_SCRATCH46_0 = 0x6001DC28;
|
||||
/* Set SVC handler to jump to reboot stub in IRAM. */
|
||||
APBDEV_PMC_SCRATCH33_0 = 0x4003F000;
|
||||
APBDEV_PMC_SCRATCH40_0 = 0x6000F208;
|
||||
|
||||
/* Copy reboot stub into IRAM high. */
|
||||
for (size_t i = 0; i < rebootstub_bin_size; i += sizeof(uint32_t)) {
|
||||
write32le((void *)0x4003F000, i, read32le(rebootstub_bin, i));
|
||||
}
|
||||
|
||||
/* Trigger warm reboot. */
|
||||
pmc_reboot(1 << 0);
|
||||
}
|
||||
|
||||
__attribute__((noreturn)) void wait_for_button_and_reboot(void) {
|
||||
uint32_t button;
|
||||
while (true) {
|
||||
button = btn_read();
|
||||
if (button & BTN_POWER) {
|
||||
reboot_to_self();
|
||||
pmc_reboot(2);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -121,7 +121,6 @@ void hexdump(const void* data, size_t size, uintptr_t addrbase);
|
|||
|
||||
__attribute__((noreturn)) void watchdog_reboot(void);
|
||||
__attribute__((noreturn)) void pmc_reboot(uint32_t scratch0);
|
||||
__attribute__((noreturn)) void reboot_to_self(void);
|
||||
__attribute__((noreturn)) void wait_for_button_and_reboot(void);
|
||||
|
||||
__attribute__((noreturn)) void generic_panic(void);
|
||||
|
|
|
|||
Loading…
Reference in a new issue