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6af29a7181
For the fb driver to have a font before loading from disk is available, create a hard-coded font as a byte array. To create this, added a new scripts/psf_to_cpp.py which also refactored out much of scripts/parse_font.py into a new shared module scripts/fontpsf.py.
56 lines
1.1 KiB
C++
56 lines
1.1 KiB
C++
#include <stdint.h>
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#include <stdlib.h>
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#include "j6/init.h"
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#include "j6/errors.h"
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#include "j6/signals.h"
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#include "j6/types.h"
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#include <j6libc/syscalls.h>
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#include "font.h"
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extern "C" {
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int main(int, const char **);
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void _get_init(size_t *initc, struct j6_init_value **initv);
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}
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int
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main(int argc, const char **argv)
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{
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_syscall_system_log("fb driver starting");
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size_t initc = 0;
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j6_init_value *initv = nullptr;
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_get_init(&initc, &initv);
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j6_init_framebuffer *fb = nullptr;
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for (unsigned i = 0; i < initc; ++i) {
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if (initv[i].type == j6_init_desc_framebuffer) {
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fb = reinterpret_cast<j6_init_framebuffer*>(initv[i].value);
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break;
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}
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}
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if (!fb)
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return 1;
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size_t font_size = sizeof(font_glyph_data);
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if (font_size != (font_glyph_size*font_glyph_count)) {
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_syscall_system_log("fb driver has wrong font data, exiting");
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return 1;
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}
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volatile uint8_t const * p = font_glyph_data;
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uint32_t *fbp = reinterpret_cast<uint32_t*>(fb->addr);
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size_t size = fb->size;
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for (size_t i=0; i < size/4; ++i) {
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fbp[i] = 0xff;
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}
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_syscall_system_log("fb driver done, exiting");
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return 0;
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}
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