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https://github.com/Atmosphere-NX/Atmosphere
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67 lines
1.6 KiB
C
67 lines
1.6 KiB
C
#ifndef EXOSPHERE_CPU_CTX_H
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#define EXOSPHERE_CPU_CTX_H
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#include "utils.h"
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#include "synchronization.h"
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/* Exosphere CPU Management functionality. */
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extern critical_section_t g_boot_critical_section;
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typedef struct {
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uint64_t argument;
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uint64_t ELR_EL3;
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int is_active;
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int is_saved;
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uint32_t OSDTRRX_EL1;
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uint32_t OSDTRTX_EL1;
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uint32_t MDSCR_EL1;
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uint32_t OSECCR_EL1;
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uint32_t MDCCINT_EL1;
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uint32_t DBGCLAIMCLR_EL1;
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uint32_t DBGVCR32_EL2;
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uint32_t SDER32_EL3;
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uint32_t MDCR_EL2;
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uint32_t MDCR_EL3;
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uint64_t DBGBVR0_EL1;
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uint64_t DBGBCR0_EL1;
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uint64_t DBGBVR1_EL1;
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uint64_t DBGBCR1_EL1;
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uint64_t DBGBVR2_EL1;
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uint64_t DBGBCR2_EL1;
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uint64_t DBGBVR3_EL1;
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uint64_t DBGBCR3_EL1;
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uint64_t DBGBVR4_EL1;
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uint64_t DBGBCR4_EL1;
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uint64_t DBGBVR5_EL1;
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uint64_t DBGBCR5_EL1;
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uint64_t DBGWVR0_EL1;
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uint64_t DBGWCR0_EL1;
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uint64_t DBGWVR1_EL1;
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uint64_t DBGWCR1_EL1;
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uint64_t DBGWVR2_EL1;
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uint64_t DBGWCR2_EL1;
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uint64_t DBGWVR3_EL1;
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uint64_t DBGWCR3_EL1;
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} saved_cpu_context_t;
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#define NUM_CPU_CORES 4
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void save_current_core_context(void);
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void restore_current_core_context(void);
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bool is_core_active(uint32_t core);
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void set_core_is_active(uint32_t core, bool is_active);
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void set_current_core_active(void);
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void set_current_core_inactive(void);
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void use_core_entrypoint_and_argument(uint32_t core, uintptr_t *entrypoint_addr, uint64_t *argument);
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void set_core_entrypoint_and_argument(uint32_t core, uintptr_t entrypoint_addr, uint64_t argument);
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void __attribute__((noreturn)) core_jump_to_lower_el(void);
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uint32_t cpu_on(uint32_t core, uintptr_t entrypoint_addr, uint64_t argument);
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uint32_t cpu_off(void);
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#endif
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