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This commit is contained in:
Taku Shimosawa
2011-11-28 13:00:13 +09:00
parent ea0e1327c8
commit 480e1b12ef
21 changed files with 1866 additions and 89 deletions
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94
kernel/init.c
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@@ -4,6 +4,9 @@
#include <aal/cpu.h>
#include <aal/mm.h>
#include <aal/debug.h>
#include <aal/dma.h>
#include <aal/perfctr.h>
#include <process.h>
#include <cls.h>
extern struct aal_kmsg_buf kmsg_buf;
@@ -18,36 +21,98 @@ extern void mc_ikc_init(void);
extern void cpu_local_var_init(void);
extern void kmalloc_init(void);
extern void ap_start(void);
extern void aal_mc_dma_init(void);
extern void init_host_syscall_channel(void);
extern void sched_init(void);
static aal_mc_kernel_context_t idle_ctx;
static void idle(void)
{
while (1) {
cpu_enable_interrupt();
cpu_halt();
}
}
extern int syscall(int, aal_mc_user_context_t *);
extern long syscall(int, aal_mc_user_context_t *);
static void handler_init(void)
{
aal_mc_set_syscall_handler(syscall);
}
unsigned long data[1024] __attribute__((aligned(64)));
static void dma_test(void)
{
struct aal_dma_request req;
unsigned long fin = 0;
memset(&req, 0, sizeof(req));
req.src_phys = virt_to_phys(data);
req.dest_phys = virt_to_phys(data + 256);
req.size = 64;
req.notify = (void *)virt_to_phys(&fin);
req.priv = (void *)0x2984;
aal_mc_dma_request(0, &req);
while (!fin) {
barrier();
}
}
static void pc_test(void)
{
int i;
int kmode = PERFCTR_USER_MODE;
int x[2][4] = { { APT_TYPE_L1D_MISS, APT_TYPE_L1I_MISS,
APT_TYPE_L2_MISS, APT_TYPE_INSTRUCTIONS, },
{ APT_TYPE_STALL, APT_TYPE_L1I_MISS,
APT_TYPE_L2_MISS, APT_TYPE_INSTRUCTIONS, }};
for (i = 0; i < 4; i++) {
aal_mc_perfctr_init(i, x[1][i], kmode);
}
aal_mc_perfctr_start(0xf);
/*
aal_mc_perfctr_read_mask(0x0f, st);
for (i = 0; i < 100000; i++) {
data[i & 1023] += i;
asm volatile("" : : : "memory");
}
aal_mc_perfctr_read_mask(0x0f, ed);
aal_mc_perfctr_stop(1);
kprintf("INS = %ld, %ld, %ld\n", st[0], ed[0], ed[0] - st[0]);
kprintf("L2M = %ld, %ld, %ld\n", st[1], ed[1], ed[1] - st[1]);
*/
}
static void rest_init(void)
{
handler_init();
aal_mc_dma_init();
dma_test();
pc_test();
ap_init();
cpu_local_var_init();
kmalloc_init();
ikc_master_init();
mc_ikc_init();
sched_init();
ap_start();
}
int host_ikc_inited = 0;
static void post_init(void)
{
cpu_enable_interrupt();
while (!host_ikc_inited) {
barrier();
cpu_pause();
}
init_host_syscall_channel();
}
int main(void)
{
kmsg_init();
@@ -58,16 +123,15 @@ int main(void)
mem_init();
ikc_master_init();
rest_init();
arch_ready();
post_init();
kputs("MCK/AAL booted.\n");
aal_mc_init_context(&idle_ctx, NULL, idle);
aal_mc_switch_context(NULL, &idle_ctx);
schedule();
return 0;
}