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
#include "hw.h"
#include "mips.h"
#include "cpu.h"
/* Raise IRQ to CPU if necessary. It must be called every time the active
IRQ may change */
void cpu_mips_update_irq(CPUState *env)
{
if ((env->CP0_Status & (1 << CP0St_IE)) &&
!(env->CP0_Status & (1 << CP0St_EXL)) &&
!(env->CP0_Status & (1 << CP0St_ERL)) &&
!(env->hflags & MIPS_HFLAG_DM)) {
if ((env->CP0_Status & env->CP0_Cause & CP0Ca_IP_mask) &&
!(env->interrupt_request & CPU_INTERRUPT_HARD)) {
cpu_interrupt(env, CPU_INTERRUPT_HARD);
}
} else
cpu_reset_interrupt(env, CPU_INTERRUPT_HARD);
}
static void cpu_mips_irq_request(void *opaque, int irq, int level)
{
CPUState *env = (CPUState *)opaque;
if (irq < 0 || irq > 7)
return;
if (level) {
env->CP0_Cause |= 1 << (irq + CP0Ca_IP);
} else {
env->CP0_Cause &= ~(1 << (irq + CP0Ca_IP));
}
cpu_mips_update_irq(env);
}
void cpu_mips_irq_init_cpu(CPUState *env)
{
qemu_irq *qi;
int i;
qi = qemu_allocate_irqs(cpu_mips_irq_request, env, 8);
for (i = 0; i < 8; i++) {
env->irq[i] = qi[i];
}
}