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https://github.com/Atmosphere-NX/Atmosphere
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Fix section alignment, attempt to clean up the crt0 a bit
This commit is contained in:
TuxSH
parent
661bcaa3ec
commit
92d2abaf1c
2 changed files with 18 additions and 32 deletions
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@ -155,7 +155,7 @@ void coldboot_init_dma_controllers(void) {
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(*((volatile uint32_t *)(0x6000C054))) = 0x80;
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}
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void coldboot_init(coldboot_crt0_reloc_list_t *reloc_list, boot_func_list_t *func_list) {
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void coldboot_init(coldboot_crt0_reloc_list_t *reloc_list, boot_func_list_t *func_list, boot_func_list_t *func_list_warmboot) {
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/* Custom approach */
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reloc_list->reloc_base = (uintptr_t)__start_cold;
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@ -183,4 +183,6 @@ void coldboot_init(coldboot_crt0_reloc_list_t *reloc_list, boot_func_list_t *fun
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func_list->funcs.flush_dcache_all();
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func_list->funcs.invalidate_icache_all();
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/* At this point we can access all the mapped segments (all other functions, data...) normally */
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*func_list_warmboot = *func_list;
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}
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@ -70,8 +70,8 @@
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msr oslar_el1, x0
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.endm
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.align 6
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.section .cold_crt0.text.start, "ax", %progbits
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.align 6
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.global __start_cold
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__start_cold:
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ERRATUM_INVALIDATE_BTB_AT_BOOT
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@ -81,18 +81,17 @@ __start_cold:
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mov sp, x0
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mov fp, #0
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adr x0, g_coldboot_crt0_relocation_list
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adr x1, g_coldboot_crt0_main_func_list
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adr x0, g_coldboot_crt0_relocation_list
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mov x19, x0
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adr x1, g_coldboot_crt0_main_func_list
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ldr x2, =g_warmboot_crt0_main_func_list
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bl coldboot_init
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adr x0, g_coldboot_crt0_relocation_list
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ldr x1, =__start_reloc_list_addr
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str x0, [x1]
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ldr x16, =__jump_to_main_cold
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br x16
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.align 6
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.section .warm_crt0.text.start, "ax", %progbits
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.align 6
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.global __start_warm
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__start_warm:
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ERRATUM_INVALIDATE_BTB_AT_BOOT
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@ -103,14 +102,14 @@ __start_warm:
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mov sp, x0
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mov fp, #0
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adrp x0, g_warmboot_crt0_main_func_list
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add x0, x0, #:lo12:g_warmboot_crt0_main_func_list
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adr x0, g_warmboot_crt0_main_func_list
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bl warmboot_init
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ldr x16, =__jump_to_main_warm
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br x16
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/* Used by coldboot as well */
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.section .warm_crt0.text.__set_memory_registers, "ax", %progbits
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.align 4
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.global __set_memory_registers
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.type __set_memory_registers, %function
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__set_memory_registers:
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@ -134,8 +133,8 @@ __set_memory_registers:
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isb
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ret
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.align 4
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.section .text.__jump_to_main_cold, "ax", %progbits
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.align 4
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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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bl __set_exception_entry_stack_pointer
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@ -150,8 +149,7 @@ __jump_to_main_cold:
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bl get_pk2ldr_stack_address
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mov sp, x0
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ldr x1, =__start_reloc_list_addr
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ldr x0, [x1]
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mov x0, x19
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bl load_package2
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mov w0, #3 /* use core3 stack temporarily */
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@ -168,11 +166,7 @@ __jump_to_main_warm:
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/* Nintendo doesn't do that here, causing issues if an exception occurs */
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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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bl load_package2
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mov w0, #3 /* use core0,1,2 stack bottom + 0x800 (VA of warmboot crt0 sp) temporarily */
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mov w0, #0 /* use core0,1,2 stack bottom + 0x800 (VA of warmboot crt0 sp) temporarily */
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bl get_exception_entry_stack_address
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add sp, x0, #0x800
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b warmboot_main
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@ -210,8 +204,8 @@ __jump_to_lower_el:
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eret
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/* Custom stuff */
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.align 3
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.section .cold_crt0.data.g_coldboot_crt0_relocation_list, "aw", %progbits
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.align 3
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.global g_coldboot_crt0_relocation_list
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g_coldboot_crt0_relocation_list:
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.quad 0, __loaded_end_lma__ /* __start_cold, to be set & loaded size */
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@ -225,8 +219,8 @@ g_coldboot_crt0_relocation_list:
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.quad __main_bss_start__, __main_end__, 0
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.quad __pk2ldr_bss_start__, __pk2ldr_end__, 0
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.align 3
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.section .cold_crt0.data.g_coldboot_crt0_main_func_list, "aw", %progbits
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.align 3
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.global g_coldboot_crt0_main_func_list
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g_coldboot_crt0_main_func_list:
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.quad 3 /* Number of functions */
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@ -235,18 +229,8 @@ g_coldboot_crt0_main_func_list:
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.quad flush_dcache_all
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.quad invalidate_icache_all
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.align 3
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.section .warm_crt0.data.g_warmboot_crt0_main_func_list, "aw", %progbits
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.align 3
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.global g_warmboot_crt0_main_func_list
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g_warmboot_crt0_main_func_list:
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.quad 3 /* Number of functions */
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/* Functions */
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.quad set_memory_registers_enable_mmu
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.quad flush_dcache_all
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.quad invalidate_icache_all
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.align 3
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.section .bss.__start_reloc_list_addr, "w", %nobits
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.global __start_reloc_list_addr
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__start_reloc_list_addr:
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.space 8
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.space (4 * 8)
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