Modify framebuffer and NGA framebuffer to read screen size from board model dtb file. Optimise memory usuage of frame buffer
Add example minigui application with hooks to profiler (which writes results to S:\). Modified NGA framebuffer to run its own dfc queue at high priority
/*
* MIPS o32 Linux syscall example
*
* http://www.linux-mips.org/wiki/RISC/os
* http://www.linux-mips.org/wiki/MIPSABIHistory
* http://www.linux.com/howtos/Assembly-HOWTO/mips.shtml
*
* mipsel-linux-gcc -nostdlib -mno-abicalls -fno-PIC -mabi=32 \
* -O2 -static -o hello-mips hello-mips.c
*
*/
#define __NR_SYSCALL_BASE 4000
#define __NR_exit (__NR_SYSCALL_BASE+ 1)
#define __NR_write (__NR_SYSCALL_BASE+ 4)
static inline void exit1(int status)
{
register unsigned long __a0 asm("$4") = (unsigned long) status;
__asm__ __volatile__ (
" .set push \n"
" .set noreorder \n"
" li $2, %0 \n"
" syscall \n"
" .set pop "
:
: "i" (__NR_exit), "r" (__a0)
: "$2", "$8", "$9", "$10", "$11", "$12", "$13", "$14", "$15", "$24",
"memory");
}
static inline int write(int fd, const char *buf, int len)
{
register unsigned long __a0 asm("$4") = (unsigned long) fd;
register unsigned long __a1 asm("$5") = (unsigned long) buf;
register unsigned long __a2 asm("$6") = (unsigned long) len;
register unsigned long __a3 asm("$7");
unsigned long __v0;
__asm__ __volatile__ (
" .set push \n"
" .set noreorder \n"
" li $2, %2 \n"
" syscall \n"
" move %0, $2 \n"
" .set pop "
: "=r" (__v0), "=r" (__a3)
: "i" (__NR_write), "r" (__a0), "r" (__a1), "r" (__a2)
: "$2", "$8", "$9", "$10", "$11", "$12", "$13", "$14", "$15", "$24",
"memory");
/* if (__a3 == 0) */
return (int) __v0;
/*
errno = __v0;
return -1;
*/
}
void __start(void)
{
write (1, "Hello, World!\n", 14);
exit1 (42);
}