RTOS/rtems
1
0
Fork 0
forked from Imagelibrary/rtems
Code Pull Requests Activity

smp: Add and use _Per_CPU_Get()

Browse Source 
Add and use _Per_CPU_Get_by_index() and _Per_CPU_Get_index().  Add
_Per_CPU_Send_interrupt().  This avoids direct access of
_Per_CPU_Information.
This commit is contained in:
Sebastian Huber
2013-07-26 14:10:25 +02:00
parent ff63d2dbf9
commit fe52e7c07c
10 changed files with 81 additions and 49 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
c/src/lib/libbsp/i386/shared/smp/smp-imps.c
View File

@@ -269,7 +269,7 @@ boot_cpu(imps_processor *proc)
);
reset[1] = (uint32_t)secondary_cpu_initialize;
reset[2] = (uint32_t)_Per_CPU_Information[apicid].interrupt_stack_high;
reset[2] = (uint32_t)_Per_CPU_Get_by_index(apicid)->interrupt_stack_high;
/*
* Generic CPU startup sequence starts here.

7
c/src/lib/libbsp/powerpc/qoriq/startup/smp.c
View File

@@ -87,6 +87,7 @@ static void mmu_config_undo(void)
static void release_core_1(void)
{
const Per_CPU_Control *second_cpu = _Per_CPU_Get_by_index(1);
uboot_spin_table *spin_table = (uboot_spin_table *) SPIN_TABLE;
qoriq_mmu_context mmu_context;
@@ -96,7 +97,7 @@ static void release_core_1(void)
qoriq_mmu_write_to_tlb1(&mmu_context, TLB_BEGIN);
spin_table->pir = 1;
spin_table->r3_lower = (uint32_t) _Per_CPU_Information[1].interrupt_stack_high;
spin_table->r3_lower = (uint32_t) second_cpu->interrupt_stack_high;
spin_table->addr_upper = 0;
rtems_cache_flush_multiple_data_lines(spin_table, sizeof(*spin_table));
ppc_synchronize_data();
@@ -108,13 +109,15 @@ static void release_core_1(void)
void qoriq_secondary_cpu_initialize(void)
{
const Per_CPU_Control *second_cpu = _Per_CPU_Get_by_index(1);
/* Disable decrementer */
PPC_CLEAR_SPECIAL_PURPOSE_REGISTER_BITS(BOOKE_TCR, BOOKE_TCR_DIE);
/* Initialize exception handler */
ppc_exc_initialize_with_vector_base(
PPC_INTERRUPT_DISABLE_MASK_DEFAULT,
(uintptr_t) _Per_CPU_Information[1].interrupt_stack_low,
(uintptr_t) second_cpu->interrupt_stack_low,
rtems_configuration_get_interrupt_stack_size(),
bsp_exc_vector_base
);

10
c/src/lib/libbsp/sparc/leon3/smp/smp_leon3.c
View File

@@ -86,12 +86,13 @@ uint32_t bsp_smp_initialize( uint32_t configured_cpu_count )
return 1;
for ( cpu=1 ; cpu < found_cpus ; cpu++ ) {
const Per_CPU_Control *per_cpu = _Per_CPU_Get_by_index( cpu );
#if defined(RTEMS_DEBUG)
printk( "Waking CPU %d\n", cpu );
#endif
bsp_ap_stack = _Per_CPU_Information[cpu].interrupt_stack_high -
bsp_ap_stack = per_cpu->interrupt_stack_high -
CPU_MINIMUM_STACK_FRAME_SIZE;
bsp_ap_entry = leon3_secondary_cpu_initialize;
@@ -101,9 +102,8 @@ uint32_t bsp_smp_initialize( uint32_t configured_cpu_count )
printk(
"CPU %d is %s\n",
cpu,
_Per_CPU_Information[cpu].state
== PER_CPU_STATE_READY_TO_BEGIN_MULTITASKING ?
"online" : "offline"
per_cpu->state == PER_CPU_STATE_READY_TO_BEGIN_MULTITASKING ?
"online" : "offline"
);
#endif
}