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arm: implement vcpu_show_execution_state
Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Acked-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Committed-by: Ian Campbell <ian.campbell@citrix.com>
This commit is contained in:
Ian Campbell committed
1 parent
7597b978e5
commit
e7f335238d
2 files changed
+51
-6
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@@ -21,7 +21,6 @@ DUMMY(pirq_set_affinity);
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DUMMY(arch_get_info_guest);
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DUMMY(arch_vcpu_reset);
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NOP(update_vcpu_system_time);
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DUMMY(vcpu_show_execution_state);
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/* Page Reference & Type Maintenance */
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DUMMY(get_page);
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+51
-5
@@ -170,7 +170,13 @@ void panic_PAR(uint64_t par, const char *when)
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panic("Error during %s-to-physical address translation\n", when);
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}
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void show_registers(struct cpu_user_regs *regs)
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struct reg_ctxt {
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uint32_t sctlr;
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uint32_t ttbr0, ttbr1, ttbcr;
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};
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static void _show_registers(struct cpu_user_regs *regs,
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struct reg_ctxt *ctxt,
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int guest_mode)
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{
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static const char *mode_strings[] = {
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[PSR_MODE_USR] = "USR",
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@@ -187,7 +193,7 @@ void show_registers(struct cpu_user_regs *regs)
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print_xen_info();
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printk("CPU: %d\n", smp_processor_id());
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printk("PC: %08"PRIx32, regs->pc);
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if ( !guest_mode(regs) )
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if ( !guest_mode )
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print_symbol(" %s", regs->pc);
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printk("\n");
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printk("CPSR: %08"PRIx32" MODE:%s\n", regs->cpsr,
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@@ -199,7 +205,7 @@ void show_registers(struct cpu_user_regs *regs)
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printk(" R8: %08"PRIx32" R9: %08"PRIx32" R10:%08"PRIx32" R11:%08"PRIx32" R12:%08"PRIx32"\n",
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regs->r8, regs->r9, regs->r10, regs->r11, regs->r12);
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if ( guest_mode(regs) )
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if ( guest_mode )
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{
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printk("USR: SP: %08"PRIx32" LR: %08"PRIx32" CPSR:%08"PRIx32"\n",
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regs->sp_usr, regs->lr_usr, regs->cpsr);
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@@ -217,8 +223,8 @@ void show_registers(struct cpu_user_regs *regs)
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regs->r8_fiq, regs->r9_fiq, regs->r10_fiq, regs->r11_fiq, regs->r11_fiq);
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printk("\n");
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printk("TTBR0 %08"PRIx32" TTBR1 %08"PRIx32" TTBCR %08"PRIx32"\n",
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READ_CP32(TTBR0), READ_CP32(TTBR1), READ_CP32(TTBCR));
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printk("SCTLR %08"PRIx32"\n", READ_CP32(SCTLR));
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ctxt->ttbr0, ctxt->ttbr1, ctxt->ttbcr);
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printk("SCTLR %08"PRIx32"\n", ctxt->sctlr);
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printk("VTTBR %010"PRIx64"\n", READ_CP64(VTTBR));
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printk("\n");
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}
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@@ -241,6 +247,26 @@ void show_registers(struct cpu_user_regs *regs)
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printk("\n");
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}
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void show_registers(struct cpu_user_regs *regs)
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{
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struct reg_ctxt ctxt;
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ctxt.sctlr = READ_CP32(SCTLR);
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ctxt.ttbcr = READ_CP32(TTBCR);
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ctxt.ttbr0 = READ_CP32(TTBR0);
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ctxt.ttbr1 = READ_CP32(TTBR1);
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_show_registers(regs, &ctxt, guest_mode(regs));
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}
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void vcpu_show_registers(const struct vcpu *v)
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{
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struct reg_ctxt ctxt;
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ctxt.sctlr = v->arch.sctlr;
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ctxt.ttbcr = v->arch.ttbcr;
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ctxt.ttbr0 = v->arch.ttbr0;
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ctxt.ttbr1 = v->arch.ttbr1;
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_show_registers(&v->arch.cpu_info->guest_cpu_user_regs, &ctxt, 1);
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}
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static void show_guest_stack(struct cpu_user_regs *regs)
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{
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printk("GUEST STACK GOES HERE\n");
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@@ -334,6 +360,26 @@ void show_execution_state(struct cpu_user_regs *regs)
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show_stack(regs);
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}
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void vcpu_show_execution_state(struct vcpu *v)
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{
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printk("*** Dumping Dom%d vcpu#%d state: ***\n",
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v->domain->domain_id, v->vcpu_id);
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if ( v == current )
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{
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show_execution_state(guest_cpu_user_regs());
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return;
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}
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vcpu_pause(v); /* acceptably dangerous */
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vcpu_show_registers(v);
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if ( !usr_mode(&v->arch.cpu_info->guest_cpu_user_regs) )
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show_guest_stack(&v->arch.cpu_info->guest_cpu_user_regs);
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vcpu_unpause(v);
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}
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static void do_unexpected_trap(const char *msg, struct cpu_user_regs *regs)
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{
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printk("Unexpected Trap: %s\n", msg);
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