diff options
| author | Fabiano Rosas <farosas@linux.ibm.com> | 2019-02-28 19:57:57 -0300 |
|---|---|---|
| committer | David Gibson <david@gibson.dropbear.id.au> | 2019-03-12 14:33:04 +1100 |
| commit | 2cbd158131e5a5e392417fb4511075a5d2af1bdd (patch) | |
| tree | a9aecf8fb82cc451d9a93d4259edb9ad0e12e365 /target | |
| parent | 2586a4d7a07b6be3fc54d9618a154b5b25fbf977 (diff) | |
target/ppc: Move handling of hardware breakpoints to a separate function
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>
Diffstat (limited to 'target')
| -rw-r--r-- | target/ppc/kvm.c | 47 |
1 files changed, 28 insertions, 19 deletions
diff --git a/target/ppc/kvm.c b/target/ppc/kvm.c index 1da28039a8..a54fb9f0a8 100644 --- a/target/ppc/kvm.c +++ b/target/ppc/kvm.c @@ -1597,35 +1597,44 @@ void kvm_arch_update_guest_debug(CPUState *cs, struct kvm_guest_debug *dbg) } } +static int kvm_handle_hw_breakpoint(CPUState *cs, + struct kvm_debug_exit_arch *arch_info) +{ + int handle = 0; + int n; + int flag = 0; + + if (nb_hw_breakpoint + nb_hw_watchpoint > 0) { + if (arch_info->status & KVMPPC_DEBUG_BREAKPOINT) { + n = find_hw_breakpoint(arch_info->address, GDB_BREAKPOINT_HW); + if (n >= 0) { + handle = 1; + } + } else if (arch_info->status & (KVMPPC_DEBUG_WATCH_READ | + KVMPPC_DEBUG_WATCH_WRITE)) { + n = find_hw_watchpoint(arch_info->address, &flag); + if (n >= 0) { + handle = 1; + cs->watchpoint_hit = &hw_watchpoint; + hw_watchpoint.vaddr = hw_debug_points[n].addr; + hw_watchpoint.flags = flag; + } + } + } + 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; - int n; - int flag = 0; if (cs->singlestep_enabled) { handle = 1; } else if (arch_info->status) { - if (nb_hw_breakpoint + nb_hw_watchpoint > 0) { - if (arch_info->status & KVMPPC_DEBUG_BREAKPOINT) { - n = find_hw_breakpoint(arch_info->address, GDB_BREAKPOINT_HW); - if (n >= 0) { - handle = 1; - } - } else if (arch_info->status & (KVMPPC_DEBUG_WATCH_READ | - KVMPPC_DEBUG_WATCH_WRITE)) { - n = find_hw_watchpoint(arch_info->address, &flag); - if (n >= 0) { - handle = 1; - cs->watchpoint_hit = &hw_watchpoint; - hw_watchpoint.vaddr = hw_debug_points[n].addr; - hw_watchpoint.flags = flag; - } - } - } + handle = kvm_handle_hw_breakpoint(cs, arch_info); } else if (kvm_find_sw_breakpoint(cs, arch_info->address)) { handle = 1; } else { |