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Justin C. Miller
0e6b27e741
Move process init from each process needing a main.s with _start to crt0.s in libc. Also change to a sysv-like initial stack with a j6-specific array of initialization values after the program arguments.
31 lines
774 B
C
31 lines
774 B
C
#pragma once
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/// \file init.h
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/// Types used in process and thread initialization
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#include <stdint.h>
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enum j6_init_type { // `value` is a:
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j6_init_handle_system, // Handle to the system
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j6_init_handle_process, // Handle to this process
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j6_init_handle_thread, // Handle to this thread
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j6_init_handle_space, // Handle to this process' address space
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j6_init_desc_framebuffer // Pointer to a j6_init_framebuffer descriptor
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};
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struct j6_init_value {
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enum j6_init_type type;
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uint64_t value;
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};
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/// Structure defining a framebuffer.
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/// `flags` has the following bits:
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/// 0-3: Pixel layout. 0000: bgr8, 0001: rgb8
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struct j6_init_framebuffer {
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void* addr;
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size_t size;
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uint32_t vertical;
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uint32_t horizontal;
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uint32_t scanline;
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uint32_t flags;
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};
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