70 lines
1.3 KiB
C++
70 lines
1.3 KiB
C++
#ifndef HILBERT_KERNEL_APPLICATION_HPP
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#define HILBERT_KERNEL_APPLICATION_HPP
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#include <hilbert/kernel/vfile.hpp>
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#include <cstdint>
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//TODO: end application, threading.
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namespace hilbert::kernel::application {
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enum class app_state {
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running,
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paused,
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zombie
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};
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struct app_instance {
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app_state state;
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uint64_t *p4;
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uint64_t *p3;
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uint64_t *p2s[512];
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uint64_t **p1s[512];
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bool **p1es_to_free_on_exit[512];
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uint64_t p4_paddr;
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//set to 0 if none
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uint64_t framebuffer_vaddr;
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//only valid if state is zombie
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int exit_code;
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//only valid if state is paused
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struct {
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uint64_t rip;
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uint64_t rsp;
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//TODO: etc.
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} saved_regs;
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app_instance();
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//vaddr and paddr must be aligned, and vaddr must be < 0x0080.0000.0000
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void map_page(uint64_t vaddr, uint64_t paddr,
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bool write, bool execute, bool free_pram_on_exit);
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//returns start of first page.
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uint64_t get_free_vaddr_pages(uint64_t count);
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//in lower half
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uint64_t count_mapped_vram_pages();
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};
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extern app_instance *running_app;
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enum class create_app_result {
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success,
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device_error,
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app_corrupt,
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fs_corrupt
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};
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create_app_result create_app(const vfile::vfile &file, app_instance *&out);
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}
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#endif
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