Macintosh-SW/powerpc-ofw-boot
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memcpy

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thamugadi 2021-10-10 20:44:34 +01:00
parent e9f77bf60c
commit 5793603952
1 changed files with 18 additions and 6 deletions
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24
entry/boot.c
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@ -6,13 +6,12 @@
#define __VRAM__MAC99 0x81000000 #define __VRAM__MAC99 0x81000000
#define __BIOS__MAC99 0XFFF00000 #define __BIOS__MAC99 0XFFF00000
#define __USB_KEYBOARD__MAC99 0x80080038
#define __USB_MOUSE__MAC99 0x8008003C
unsigned char IO_TYPE; unsigned char IO_TYPE;
unsigned char* p_vram; unsigned char* p_vram;
unsigned char* p_bios; unsigned char* p_bios;
unsigned char* p_usb_keyboard;
unsigned char* p_usb_mouse;
void get_io_type(void) void get_io_type(void)
{ {
if (*(unsigned char*)__VRAM__BEIGE == beige) IO_TYPE = beige; if (*(unsigned char*)__VRAM__BEIGE == beige) IO_TYPE = beige;
@ -36,11 +35,12 @@ void main(void)
{ {
get_io_type(); get_io_type();
init(); init();
clearscreen(100,85,100, 0x100000); //fillscreen(85,100,85, 0x100000);
for(;;); for(;;) memcpy(0x81000000, 0, 100000);
} }
void clearscreen(unsigned char a, unsigned char b, unsigned char c, int n) void fillscreen(unsigned char a, unsigned char b, unsigned char c, int n)
{ {
init(); init();
for (unsigned int i = 0; i<n; i++) for (unsigned int i = 0; i<n; i++)
@ -56,3 +56,15 @@ void clearscreen(unsigned char a, unsigned char b, unsigned char c, int n)
p_vram++; p_vram++;
} }
} }
void memcpy(unsigned char* dest, unsigned char* src, int n)
{
unsigned char* destination = dest;
unsigned char* source = src;
for (int i = 0; i<n; i++)
{
*destination = *source;
destination++;
source++;
}
}