Changeset 7ce9284 in mainline for include

Timestamp:

2005-08-30T17:41:19Z (20 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

b45aa23

Parents:

10caad0

Message:

Dump implementation of THREAD, TASK and CPU.
Implement preemption-safe versions of THREAD, TASK and CPU using THE.
Get rid of CPU_ID_ARCH on all architectures.
Get rid of write_dr0() and read_dr0() on IA-32.
Get rid of cpu_private_data and cpu_private_data_t.

Location:

include

Files:

• arch.h (modified) (1 diff)
• cpu.h (modified) (1 diff)

include/arch.h

@@ -40 +40 @@
 #include <proc/task.h>
 
-/*
- * NOTE:
- * CPU, THREAD and TASK are not preemption-safe.
- * Provisions must be made to prevent preemption prior
- * to using these macros. Simple cpu_priority_high()
- * call will suffice.
- */
-#define CPU             (&cpus[CPU_ID_ARCH])
-#define THREAD          (cpu_private_data[CPU_ID_ARCH].thread)
-#define TASK            (cpu_private_data[CPU_ID_ARCH].task)
+#define CPU             THE->cpu
+#define THREAD          THE->thread
+#define TASK            THE->task
 
 /*

include/cpu.h

@@ -72 +72 @@
 };
 
-/*
- * read/write by associated CPU
- * read only by other CPUs
- */
-struct cpu_private_data {
-        thread_t *thread;
-        task_t *task;
-};
-
-extern cpu_private_data_t *cpu_private_data;
 extern cpu_t *cpus;