Ksched is interrupt driven
[akaros.git] / kern / src / manager.c
index cf9f9e6..04304b4 100644 (file)
@@ -4,18 +4,35 @@
  * See LICENSE for details.
  */
 
-#include <arch/types.h>
+
+#ifdef __SHARC__
+#pragma nosharc
+#endif
+
+#include <ros/common.h>
 #include <smp.h>
+#include <arch/init.h>
+#include <mm.h>
+#include <elf.h>
+#include <frontend.h>
 
+#include <kmalloc.h>
 #include <assert.h>
 #include <manager.h>
 #include <process.h>
 #include <schedule.h>
-#include <workqueue.h>
 #include <syscall.h>
 #include <testing.h>
 #include <kfs.h>
 #include <stdio.h>
+#include <time.h>
+#include <monitor.h>
+#include <colored_caches.h>
+#include <string.h>
+#include <pmap.h>
+#include <arch/console.h>
+#include <ros/time.h>
+#include <ros/arch/membar.h>
 
 /*
  * Currently, if you leave this function by way of proc_run (process_workqueue
  */
 void manager(void)
 {
-       static uint8_t progress = 0;
-       env_t *envs[256];
-       
+       #ifndef DEVELOPER_NAME
+               #define DEVELOPER_NAME brho
+       #endif
+
+       // LoL
+       #define PASTE(s1,s2) s1 ## s2
+       #define MANAGER_FUNC(dev) PASTE(manager_,dev)
+
+       void MANAGER_FUNC(DEVELOPER_NAME)(void);
+       MANAGER_FUNC(DEVELOPER_NAME)();
+}
+
+char *p_argv[] = {0, 0, 0};
+char *p_envp[] = {"LD_LIBRARY_PATH=/lib", 0};
+/* Helper macro for quickly running a process.  Pass it a string, *file, and a
+ * *proc. */
+#define quick_proc_run(x, p, f)                                                  \
+       (f) = do_file_open((x), 0, 0);                                               \
+       assert((f));                                                                 \
+       p_argv[0] = file_name((f));                                                  \
+       (p) = proc_create((f), p_argv, p_envp);                                      \
+       kref_put(&(f)->f_kref);                                                      \
+       spin_lock(&(p)->proc_lock);                                                  \
+       __proc_set_state((p), PROC_RUNNABLE_S);                                      \
+       spin_unlock(&(p)->proc_lock);                                                \
+       proc_run_s((p));                                                             \
+       proc_decref((p));
+
+#define quick_proc_create(x, p, f)                                               \
+       (f) = do_file_open((x), 0, 0);                                               \
+       assert((f));                                                                 \
+       p_argv[0] = file_name((f));                                                  \
+       (p) = proc_create((f), p_argv, p_envp);                                      \
+       kref_put(&(f)->f_kref);                                                      \
+       spin_lock(&(p)->proc_lock);                                                  \
+       __proc_set_state((p), PROC_RUNNABLE_S);                                      \
+       spin_unlock(&(p)->proc_lock);
+
+#define quick_proc_color_run(x, p, c, f)                                         \
+       (f) = do_file_open((x), 0, 0);                                               \
+       assert((f));                                                                 \
+       p_argv[0] = file_name((f));                                                  \
+       (p) = proc_create((f), p_argv, p_envp);                                      \
+       kref_put(&(f)->f_kref);                                                      \
+       spin_lock(&(p)->proc_lock);                                                  \
+       __proc_set_state((p), PROC_RUNNABLE_S);                                      \
+       spin_unlock(&(p)->proc_lock);                                                \
+       p->cache_colors_map = cache_colors_map_alloc();                              \
+       for (int i = 0; i < (c); i++)                                                \
+               cache_color_alloc(llc_cache, p->cache_colors_map);                       \
+       proc_run_s((p));                                                             \
+       proc_decref((p));
 
+#define quick_proc_color_create(x, p, c, f)                                      \
+       (f) = do_file_open((x), 0, 0);                                               \
+       assert((f));                                                                 \
+       p_argv[0] = file_name((f));                                                  \
+       (p) = proc_create((f), p_argv, p_envp);                                      \
+       kref_put(&(f)->f_kref);                                                      \
+       spin_lock(&(p)->proc_lock);                                                  \
+       __proc_set_state((p), PROC_RUNNABLE_S);                                      \
+       spin_unlock(&(p)->proc_lock);                                                \
+       p->cache_colors_map = cache_colors_map_alloc();                              \
+       for (int i = 0; i < (c); i++)                                                \
+               cache_color_alloc(llc_cache, p->cache_colors_map);
+
+void manager_brho(void)
+{
+       static bool first = TRUE;
+       struct per_cpu_info *pcpui = &per_cpu_info[core_id()];
+
+       if (first) {    
+               printk("*** Hit shift-g to get into the monitor. ***\n");
+               first = FALSE;
+       }
+       while (1) {
+               enable_irq();
+               /* one time keyboard / serial check for some magic, then monitor */
+               if (cons_getc() == 'G') {
+                       printk("Heard the call of the giraffe!\n");
+                       monitor(0);
+               }
+               process_routine_kmsg(0);
+               /* would like to idle here, but without reset stacks, people will run
+                * off the kstack.  so just idle if we have an owning proc (which we
+                * should then 'restart'). */
+               if (pcpui->owning_proc)
+                       smp_idle();
+       }
+       /* whatever we do in the manager, keep in mind that we need to not do
+        * anything too soon (like make processes), since we'll drop in here during
+        * boot if the boot sequence required any I/O (like EXT2), and we need to
+        * PRKM() */
+       assert(0);
+
+#if 0 /* ancient tests below: (keeping around til we ditch the manager) */
+       // for testing taking cores, check in case 1 for usage
+       uint32_t corelist[MAX_NUM_CPUS];
+       uint32_t num = 3;
+       struct file *temp_f;
+       static struct proc *p;
+
+       static uint8_t RACY progress = 0;       /* this will wrap around. */
        switch (progress++) {
                case 0:
-                       envs[0] = kfs_proc_create(kfs_lookup_path("roslib_hello"));
-                       proc_set_state(envs[0], PROC_RUNNABLE_S);
-                       proc_run(envs[0]);
+                       printk("Top of the manager to ya!\n");
+                       /* 124 is half of the available boxboro colors (with the kernel
+                        * getting 8) */
+                       //quick_proc_color_run("msr_dumb_while", p, 124, temp_f);
+                       quick_proc_run("/bin/hello", p, temp_f);
+                       #if 0
+                       // this is how you can transition to a parallel process manually
+                       // make sure you don't proc run first
+                       __proc_set_state(p, PROC_RUNNING_S);
+                       __proc_set_state(p, PROC_RUNNABLE_M);
+                       p->resources[RES_CORES].amt_wanted = 5;
+                       spin_unlock(&p->proc_lock);
+                       core_request(p);
+                       panic("This is okay");
+                       #endif
                        break;
-       #ifdef __i386__
                case 1:
-                       panic("Do not panic");
-                       envs[0] = kfs_proc_create(kfs_lookup_path("parlib_channel_test_client"));
-                       envs[1] = kfs_proc_create(kfs_lookup_path("parlib_channel_test_server"));
-                       smp_call_function_single(1, run_env_handler, envs[0], 0);
-                       smp_call_function_single(2, run_env_handler, envs[1], 0);
-                       break;
-               case 2:
-               case 3:
-       #else // sparc
-               case 1:
-                       panic("Do not panic");
-                       envs[0] = kfs_proc_create(kfs_lookup_path("roslib_proctests"));
-                       envs[1] = kfs_proc_create(kfs_lookup_path("roslib_proctests"));
-                       envs[2] = kfs_proc_create(kfs_lookup_path("roslib_proctests"));
-                       envs[3] = kfs_proc_create(kfs_lookup_path("roslib_fptest"));
-                       envs[4] = kfs_proc_create(kfs_lookup_path("roslib_fptest"));
-                       envs[4] = kfs_proc_create(kfs_lookup_path("roslib_fptest"));
-                       envs[5] = kfs_proc_create(kfs_lookup_path("roslib_hello"));
-                       envs[6] = kfs_proc_create(kfs_lookup_path("roslib_null"));
-                       proc_run(envs[0]);
-                       break;
-               case 2:
                        #if 0
-                       // reminder of how to spawn remotely
-                       for (int i = 0; i < 8; i++) {
-                               envs[i] = kfs_proc_create(kfs_lookup_path("roslib_hello"));
-                               proc_set_state(envs[i], PROC_RUNNABLE_S);
-                               smp_call_function_single(i, run_env_handler, envs[i], 0);
-                       }
-                       process_workqueue();
-                       #endif
-               case 3:
-       #endif
+                       udelay(10000000);
+                       // this is a ghetto way to test restarting an _M
+                               printk("\nattempting to ghetto preempt...\n");
+                               spin_lock(&p->proc_lock);
+                               proc_take_allcores(p, __death);
+                               __proc_set_state(p, PROC_RUNNABLE_M);
+                               spin_unlock(&p->proc_lock);
+                               udelay(5000000);
+                               printk("\nattempting to restart...\n");
+                               core_request(p); // proc still wants the cores
+                       panic("This is okay");
+                       // this tests taking some cores, and later killing an _M
+                               printk("taking 3 cores from p\n");
+                               for (int i = 0; i < num; i++)
+                                       corelist[i] = 7-i; // 7, 6, and 5
+                               spin_lock(&p->proc_lock);
+                               proc_take_cores(p, corelist, &num, __death);
+                               spin_unlock(&p->proc_lock);
+                               udelay(5000000);
+                               printk("Killing p\n");
+                               proc_destroy(p);
+                               printk("Killed p\n");
+                       panic("This is okay");
 
-               #if 0
-               case 4:
-                       printk("Beginning Tests\n");
-                       test_run_measurements(progress-1);  // should never return
+                       envs[0] = kfs_proc_create(kfs_lookup_path("roslib_hello"));
+                       __proc_set_state(envs[0], PROC_RUNNABLE_S);
+                       proc_run(envs[0]);
+                       warn("DEPRECATED");
                        break;
-               case 5:
-                       envs[0] = kfs_proc_create(kfs_lookup_path("parlib_channel_test_client"));
-                       envs[1] = kfs_proc_create(kfs_lookup_path("parlib_channel_test_server"));
-                       smp_call_function_single(1, run_env_handler, envs[0], 0);
-                       smp_call_function_single(2, run_env_handler, envs[1], 0);
-               case 6:
-               #endif
-               case 4:
+                       #endif
+               case 2:
                        /*
                        test_smp_call_functions();
                        test_checklists();
@@ -92,22 +204,14 @@ void manager(void)
                        test_ipi_sending();
                        test_pit();
                        */
-               case 5:
-               case 6:
-               case 7:
-               case 8:
-               case 9:
-               case 10:
-               case 11:
-               case 12:
-               case 13:
-               case 14:
-                       //test_run_measurements(progress-1);
                default:
-                       printk("Manager Progress: %d\n", progress);
+                       printd("Manager Progress: %d\n", progress);
+                       // delay if you want to test rescheduling an MCP that yielded
+                       //udelay(15000000);
                        schedule();
        }
        panic("If you see me, then you probably screwed up");
+       monitor(0);
 
        /*
        printk("Servicing syscalls from Core 0:\n\n");
@@ -117,5 +221,99 @@ void manager(void)
        }
        */
        return;
+#endif
 }
 
+void manager_klueska()
+{
+       static struct proc *envs[256];
+       static volatile uint8_t progress = 0;
+
+       if (progress == 0) {
+               progress++;
+               panic("what do you want to do?");
+               //envs[0] = kfs_proc_create(kfs_lookup_path("fillmeup"));
+               __proc_set_state(envs[0], PROC_RUNNABLE_S);
+               proc_run_s(envs[0]);
+               warn("DEPRECATED");
+       }
+       schedule();
+
+       panic("DON'T PANIC");
+}
+
+void manager_waterman()
+{
+       schedule();
+       monitor(0);
+       assert(0);
+}
+
+void manager_yuzhu()
+{
+       
+       static uint8_t RACY progress = 0;
+       static struct proc *p;
+
+       // for testing taking cores, check in case 1 for usage
+       uint32_t corelist[MAX_NUM_CPUS];
+       uint32_t num = 3;
+
+       //create_server(init_num_cores, loop);
+
+       monitor(0);
+
+       // quick_proc_run("hello", p);
+
+}
+
+#ifdef __sparc_v8__
+
+static char*
+itoa(int num, char* buf0, size_t base)
+{
+       if(base > 16)
+               return NULL;
+
+       char* buf = buf0;
+       int len = 0, i;
+
+       if(num < 0)
+       {
+               *buf++ = '-';
+               num = -num;
+       }
+
+       do {
+               buf[len++] = "0123456789abcdef"[num%base];
+               num /= base;
+       } while(num);
+
+       for(i = 0; i < len/2; i++)
+       {
+               char temp = buf[i];
+               buf[i] = buf[len-i-1];
+               buf[len-i-1] = temp;
+       }
+       buf[len] = 0;
+
+       return buf0;
+}
+
+void gsf_set_frame_cycles(int cycles)
+{
+       store_alternate(26*4,2,cycles);
+}
+
+void gsf_set_partition_credits(int partition, int credits)
+{
+       store_alternate((32+partition)*4,2,credits);
+}
+
+void gsf_set_core_partition(int core, int partition)
+{
+       store_alternate((64+core)*4,2,partition);
+}
+
+#endif
+