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target/ppc: Move handling of hardware breakpoints to a separate function

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This is in preparation for a refactoring of the kvm_handle_debug
function in the next patch.

Signed-off-by: Fabiano Rosas <farosas@linux.ibm.com>
Message-Id: <20190228225759.21328-4-farosas@linux.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Fabiano Rosas 2019-02-28 19:57:57 -03:00 committed by David Gibson
parent 2586a4d7a0
commit 2cbd158131
1 changed files with 28 additions and 19 deletions
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23
target/ppc/kvm.c
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@ -1597,18 +1597,13 @@ void kvm_arch_update_guest_debug(CPUState *cs, struct kvm_guest_debug *dbg)
} }
} }
static int kvm_handle_debug(PowerPCCPU *cpu, struct kvm_run *run) static int kvm_handle_hw_breakpoint(CPUState *cs,
struct kvm_debug_exit_arch *arch_info)
{ {
CPUState *cs = CPU(cpu);
CPUPPCState *env = &cpu->env;
struct kvm_debug_exit_arch *arch_info = &run->debug.arch;
int handle = 0; int handle = 0;
int n; int n;
int flag = 0; int flag = 0;
if (cs->singlestep_enabled) {
handle = 1;
} else if (arch_info->status) {
if (nb_hw_breakpoint + nb_hw_watchpoint > 0) { if (nb_hw_breakpoint + nb_hw_watchpoint > 0) {
if (arch_info->status & KVMPPC_DEBUG_BREAKPOINT) { if (arch_info->status & KVMPPC_DEBUG_BREAKPOINT) {
n = find_hw_breakpoint(arch_info->address, GDB_BREAKPOINT_HW); n = find_hw_breakpoint(arch_info->address, GDB_BREAKPOINT_HW);
@ -1626,6 +1621,20 @@ static int kvm_handle_debug(PowerPCCPU *cpu, struct kvm_run *run)
} }
} }
} }
return handle;
}
static int kvm_handle_debug(PowerPCCPU *cpu, struct kvm_run *run)
{
CPUState *cs = CPU(cpu);
CPUPPCState *env = &cpu->env;
struct kvm_debug_exit_arch *arch_info = &run->debug.arch;
int handle = 0;
if (cs->singlestep_enabled) {
handle = 1;
} else if (arch_info->status) {
handle = kvm_handle_hw_breakpoint(cs, arch_info);
} else if (kvm_find_sw_breakpoint(cs, arch_info->address)) { } else if (kvm_find_sw_breakpoint(cs, arch_info->address)) {
handle = 1; handle = 1;
} else { } else {