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https://github.com/Atmosphere-NX/Atmosphere.git
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Use specs file, remove -nostartfiles
This commit is contained in:
parent
0258324872
commit
5bade9ee1c
4 changed files with 17 additions and 19 deletions
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@ -28,7 +28,7 @@ CFLAGS = \
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-Werror \
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-Werror \
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-Wall
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-Wall
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LDFLAGS = -g $(ARCH) -nostartfiles -Wl,--nmagic,--gc-sections
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LDFLAGS = -specs=linker.specs -g $(ARCH)
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objects = $(patsubst $(dir_source)/%.s, $(dir_build)/%.o, \
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objects = $(patsubst $(dir_source)/%.s, $(dir_build)/%.o, \
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$(patsubst $(dir_source)/%.c, $(dir_build)/%.o, \
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$(patsubst $(dir_source)/%.c, $(dir_build)/%.o, \
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@ -55,7 +55,7 @@ $(dir_out)/$(name).bin: $(dir_build)/$(name).elf
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$(OBJCOPY) -S -O binary $< $@
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$(OBJCOPY) -S -O binary $< $@
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$(dir_build)/$(name).elf: $(objects)
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$(dir_build)/$(name).elf: $(objects)
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$(LINK.o) -T linker.ld $(OUTPUT_OPTION) $^
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$(LINK.o) $(OUTPUT_OPTION) $^
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$(dir_bpmpfw)/out/bpmpfw.bin: $(dir_bpmpfw)
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$(dir_bpmpfw)/out/bpmpfw.bin: $(dir_bpmpfw)
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@$(MAKE) -C $<
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@$(MAKE) -C $<
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7
exosphere/linker.specs
Normal file
7
exosphere/linker.specs
Normal file
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@ -0,0 +1,7 @@
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%rename link old_link
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*link:
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%(old_link) -T linker.ld --nmagic --gc-sections
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*startfile:
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crti%O%s crtbegin%O%s
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@ -5,22 +5,10 @@
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#include "cache.h"
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#include "cache.h"
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extern uint8_t __pk2ldr_start__[], __pk2ldr_end__[];
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extern uint8_t __pk2ldr_start__[], __pk2ldr_end__[];
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extern void __jump_to_lower_el(uint64_t arg, uintptr_t ep, unsigned int el);
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extern void __jump_to_lower_el(uint64_t arg, uintptr_t ep, unsigned int el);
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void _init(void);
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void _fini(void);
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void coldboot_main(void);
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void coldboot_main(void);
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void _init(void) {
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/* Stubbed. Should have been provided by gcc but we have set -nostartfiles */
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}
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void _fini(void) {
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/* Stubbed. Should have been provided by gcc but we have set -nostartfiles */
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}
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void coldboot_main(void) {
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void coldboot_main(void) {
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uintptr_t *mmu_l3_table = (uintptr_t *)TZRAM_GET_SEGMENT_ADDRESS(TZRAM_SEGMENT_ID_L3_TRANSLATION_TABLE);
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uintptr_t *mmu_l3_table = (uintptr_t *)TZRAM_GET_SEGMENT_ADDRESS(TZRAM_SEGMENT_ID_L3_TRANSLATION_TABLE);
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uintptr_t pk2ldr = TZRAM_GET_SEGMENT_ADDRESS(TZRAM_SEGMENT_ID_PK2LDR);
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uintptr_t pk2ldr = TZRAM_GET_SEGMENT_ADDRESS(TZRAM_SEGMENT_ID_PK2LDR);
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@ -77,6 +77,7 @@ __start_cold:
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msr spsel, #0
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msr spsel, #0
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bl get_coldboot_crt0_stack_address
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bl get_coldboot_crt0_stack_address
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mov sp, x0
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mov sp, x0
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mov fp, #0
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bl coldboot_init
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bl coldboot_init
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ldr x16, =__jump_to_main_cold
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ldr x16, =__jump_to_main_cold
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br x16
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br x16
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@ -91,6 +92,7 @@ __start_warm:
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msr spsel, #0
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msr spsel, #0
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bl get_warmboot_crt0_stack_address
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bl get_warmboot_crt0_stack_address
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mov sp, x0
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mov sp, x0
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mov fp, #0
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bl warmboot_init
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bl warmboot_init
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ldr x16, =__jump_to_main_warm
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ldr x16, =__jump_to_main_warm
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br x16
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br x16
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@ -100,16 +102,17 @@ __start_warm:
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__jump_to_main_cold:
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__jump_to_main_cold:
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/* This is inspired by Nintendo's code but significantly different */
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/* This is inspired by Nintendo's code but significantly different */
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bl __set_exception_entry_stack_pointer
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bl __set_exception_entry_stack_pointer
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bl get_pk2ldr_stack_address
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mov sp, x0
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/*
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/*
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Normally Nintendo calls it in crt0, but it's fine to do that here
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Normally Nintendo calls it in crt0, but it's fine to do that here.
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note that package2.c shouldn't have constructed objects, because we
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Please note that package2.c shouldn't have constructed objects, because we
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call __libc_fini_array after load_package2 has been cleared, on EL3
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call __libc_fini_array after load_package2 has been cleared, on EL3
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to EL3 chainload.
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to EL3 chainload.
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*/
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*/
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bl __libc_init_array
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bl __libc_init_array
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bl get_pk2ldr_stack_address
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mov sp, x0
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bl load_package2
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bl load_package2
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mov w0, #3 /* use core3 stack temporarily */
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mov w0, #3 /* use core3 stack temporarily */
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