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
#ifndef QEMU_CACHE_UTILS_H
#define QEMU_CACHE_UTILS_H
#ifdef __powerpc__
struct qemu_cache_conf {
unsigned long dcache_bsize;
unsigned long icache_bsize;
};
extern struct qemu_cache_conf qemu_cache_conf;
extern void qemu_cache_utils_init(char **envp);
/* mildly adjusted code from tcg-dyngen.c */
static inline void flush_icache_range(unsigned long start, unsigned long stop)
{
unsigned long p, start1, stop1;
unsigned long dsize = qemu_cache_conf.dcache_bsize;
unsigned long isize = qemu_cache_conf.icache_bsize;
start1 = start & ~(dsize - 1);
stop1 = (stop + dsize - 1) & ~(dsize - 1);
for (p = start1; p < stop1; p += dsize) {
asm volatile ("dcbst 0,%0" : : "r"(p) : "memory");
}
asm volatile ("sync" : : : "memory");
start &= start & ~(isize - 1);
stop1 = (stop + isize - 1) & ~(isize - 1);
for (p = start1; p < stop1; p += isize) {
asm volatile ("icbi 0,%0" : : "r"(p) : "memory");
}
asm volatile ("sync" : : : "memory");
asm volatile ("isync" : : : "memory");
}
#else
#define qemu_cache_utils_init(envp) do { (void) (envp); } while (0)
#endif
#endif /* QEMU_CACHE_UTILS_H */