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HV:Added implementation for PMI handler function

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irq.c/.h:
	Added new variables(ctx_rflags, ctx_rip, ctx_cs) in irq_desc
	On each interrupt this information is populated
	Added api's to access the irq_desc members

profiling.c:
	profiling_pmi_handler:On each PMI generates gets the context and other information that	caused it

Tracked-On: projectacrn#1409
Acked-by: Eddie Dong <eddie.dong@intel.com>
Signed-off-by: Chinthapally, Manisha <manisha.chinthapally@intel.com>
This commit is contained in:
Chinthapally, Manisha
2018-10-22 16:39:41 -07:00
committed by wenlingz
parent a7cbee1802
commit 5985c1216e
6 changed files with 219 additions and 5 deletions
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9
hypervisor/arch/x86/irq.c
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@@ -12,7 +12,7 @@ static spinlock_t irq_alloc_spinlock = { .head = 0U, .tail = 0U, };
#define IRQ_ALLOC_BITMAP_SIZE INT_DIV_ROUNDUP(NR_IRQS, 64U)
static uint64_t irq_alloc_bitmap[IRQ_ALLOC_BITMAP_SIZE];
static struct irq_desc irq_desc_array[NR_IRQS];
struct irq_desc irq_desc_array[NR_IRQS];
static uint32_t vector_to_irq[NR_MAX_VECTOR + 1];
spurious_handler_t spurious_handler;
@@ -350,7 +350,12 @@ void dispatch_interrupt(const struct intr_excp_ctx *ctx)
/* mask irq if possible */
goto ERR;
}
#ifdef PROFILING_ON
/* Saves ctx info into irq_desc */
desc->ctx_rip = ctx->rip;
desc->ctx_rflags = ctx->rflags;
desc->ctx_cs = ctx->cs;
#endif
handle_irq(desc);
return;
ERR: