diff options
-rw-r--r-- | src/include/kernel/scheduler.H | 4 | ||||
-rw-r--r-- | src/include/kernel/taskmgr.H | 5 | ||||
-rw-r--r-- | src/kernel/cpumgr.C | 2 | ||||
-rw-r--r-- | src/kernel/kernel.C | 17 | ||||
-rw-r--r-- | src/kernel/scheduler.C | 6 | ||||
-rw-r--r-- | src/kernel/taskmgr.C | 2 | ||||
-rw-r--r-- | src/makefile | 2 | ||||
-rw-r--r-- | src/sys/init/init_main.C | 8 | ||||
-rw-r--r-- | src/sys/init/makefile | 10 | ||||
-rw-r--r-- | src/sys/makefile | 12 |
10 files changed, 59 insertions, 9 deletions
diff --git a/src/include/kernel/scheduler.H b/src/include/kernel/scheduler.H index 93854ac3b..31cdde70e 100644 --- a/src/include/kernel/scheduler.H +++ b/src/include/kernel/scheduler.H @@ -15,7 +15,8 @@ class Scheduler void setNextRunnable(); protected: - Scheduler() : iv_direction(false) {}; + Scheduler(cpu_t* cpu) : + iv_direction(false), iv_idleTask(NULL), iv_cpu(cpu) {}; ~Scheduler() {}; void setIdleTask(task_t* t) { iv_idleTask = t; }; @@ -26,6 +27,7 @@ class Scheduler Util::Lockfree::Stack<task_t> iv_taskList[2]; task_t* iv_idleTask; + cpu_t* iv_cpu; }; #endif diff --git a/src/include/kernel/taskmgr.H b/src/include/kernel/taskmgr.H index fbaf94f8a..34267324c 100644 --- a/src/include/kernel/taskmgr.H +++ b/src/include/kernel/taskmgr.H @@ -9,9 +9,10 @@ class TaskManager static task_t* getCurrentTask(); static void setCurrentTask(task_t* t); - typedef void(*task_fn_t)(); + typedef void(*task_fn_t)(void*); friend class CpuManager; + friend class Kernel; protected: TaskManager(); ~TaskManager() {}; @@ -24,7 +25,7 @@ class TaskManager tid_t iv_nextTid; - static void idleTaskLoop(); + static void idleTaskLoop(void*); task_t* _createIdleTask(); task_t* _createTask(task_fn_t, void*, bool); }; diff --git a/src/kernel/cpumgr.C b/src/kernel/cpumgr.C index 6855bfc1e..d43b28ca8 100644 --- a/src/kernel/cpumgr.C +++ b/src/kernel/cpumgr.C @@ -45,7 +45,7 @@ void CpuManager::startCPU(ssize_t i) // Initialize CPU. cpu->cpu = i; - cpu->scheduler = new Scheduler(); + cpu->scheduler = new Scheduler(cpu); cpu->kernel_stack = (void*) (((uint64_t)PageManager::allocatePage(4)) + 16320); diff --git a/src/kernel/kernel.C b/src/kernel/kernel.C index 148ffe0bf..b071d9999 100644 --- a/src/kernel/kernel.C +++ b/src/kernel/kernel.C @@ -4,10 +4,15 @@ #include <kernel/heapmgr.H> #include <kernel/cpumgr.H> #include <util/singleton.H> +#include <kernel/cpu.H> +#include <kernel/task.H> +#include <kernel/scheduler.H> +#include <kernel/taskmgr.H> #include <stdlib.h> extern "C" void kernel_dispatch_task(); +extern void init_main(void* unused); class Kernel { @@ -15,6 +20,7 @@ class Kernel void cppBootstrap(); void memBootstrap(); void cpuBootstrap(); + void inittaskBootstrap(); protected: Kernel() {}; @@ -29,8 +35,9 @@ int main() kernel.memBootstrap(); kernel.cpuBootstrap(); - kernel_dispatch_task(); + kernel.inittaskBootstrap(); + kernel_dispatch_task(); // no return. while(1); return 0; } @@ -59,3 +66,11 @@ void Kernel::cpuBootstrap() CpuManager::init(); } +void Kernel::inittaskBootstrap() +{ + task_t * t = TaskManager::createTask(&init_main, NULL); + t->cpu = CpuManager::getCurrentCPU(); + TaskManager::setCurrentTask(t); + +} + diff --git a/src/kernel/scheduler.C b/src/kernel/scheduler.C index 1df91b9eb..b96dd7c7b 100644 --- a/src/kernel/scheduler.C +++ b/src/kernel/scheduler.C @@ -5,7 +5,9 @@ void Scheduler::addTask(task_t* t) { if (iv_idleTask != t) + { iv_taskList[iv_direction ? 0 : 1].push(t); + } } void Scheduler::returnRunnable() @@ -22,7 +24,7 @@ void Scheduler::setNextRunnable() if (NULL == t) { - iv_taskList[direction ? 0 : 1].pop(); + t = iv_taskList[direction ? 0 : 1].pop(); __sync_bool_compare_and_swap(&iv_direction, direction, !direction); } @@ -30,6 +32,6 @@ void Scheduler::setNextRunnable() { t = iv_idleTask; } - + TaskManager::setCurrentTask(t); } diff --git a/src/kernel/taskmgr.C b/src/kernel/taskmgr.C index 5917abfeb..fabb70cde 100644 --- a/src/kernel/taskmgr.C +++ b/src/kernel/taskmgr.C @@ -3,7 +3,7 @@ #include <kernel/task.H> #include <kernel/pagemgr.H> -void TaskManager::idleTaskLoop() +void TaskManager::idleTaskLoop(void* unused) { while(1) { diff --git a/src/makefile b/src/makefile index e0265b92e..022348601 100644 --- a/src/makefile +++ b/src/makefile @@ -2,7 +2,7 @@ IMGDIR = ../img OBJDIR = ../obj include ../config.mk -SUBDIRS = kernel.d lib.d libc++.d +SUBDIRS = kernel.d lib.d libc++.d sys.d IMAGES += ${IMGDIR}/kernel.elf IMAGES += ${IMGDIR}/kernel.bin diff --git a/src/sys/init/init_main.C b/src/sys/init/init_main.C new file mode 100644 index 000000000..99a7cfe0b --- /dev/null +++ b/src/sys/init/init_main.C @@ -0,0 +1,8 @@ +#include <kernel/console.H> // TODO : Remove this. + +void init_main(void* unused) +{ + printk("Starting init!\n"); + + while(1); +} diff --git a/src/sys/init/makefile b/src/sys/init/makefile new file mode 100644 index 000000000..4a1ecf48b --- /dev/null +++ b/src/sys/init/makefile @@ -0,0 +1,10 @@ +OBJDIR = ../../../obj +include ../../../config.mk + +OBJS = init_main.o +OBJECTS = $(addprefix ${OBJDIR}/, ${OBJS}) + +all: ${OBJECTS} + +clean: + (rm -f ${OBJECTS} ) diff --git a/src/sys/makefile b/src/sys/makefile new file mode 100644 index 000000000..5a553e1d2 --- /dev/null +++ b/src/sys/makefile @@ -0,0 +1,12 @@ +IMGDIR = ../../img +OBJDIR = ../../obj +include ../../config.mk + +SUBDIRS = init.d +IMAGES += ${IMGDIR}/kernel.elf +IMAGES += ${IMGDIR}/kernel.bin + +all: ${SUBDIRS} + +clean: $(patsubst %.d,%.clean, ${SUBDIRS}) + (rm -f ${IMAGES} ) |