diff mbox

[PULL,4/8] mips/kvm: Support unsigned KVM registers

Message ID 1456485420-18937-5-git-send-email-leon.alrae@imgtec.com
State New
Headers show

Commit Message

Leon Alrae Feb. 26, 2016, 11:16 a.m. UTC 
From: James Hogan <james.hogan@imgtec.com>

Add KVM register access functions for the uint32_t type. This is
required for FP and MSA control registers, which are represented as
unsigned 32-bit integers.

Signed-off-by: James Hogan <james.hogan@imgtec.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Leon Alrae <leon.alrae@imgtec.com>
Cc: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
---
 target-mips/kvm.c | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
diff mbox

Patch

diff --git a/target-mips/kvm.c b/target-mips/kvm.c
index 57cde9d..abdd6b6 100644
--- a/target-mips/kvm.c
+++ b/target-mips/kvm.c
@@ -248,6 +248,17 @@  static inline int kvm_mips_put_one_reg(CPUState *cs, uint64_t reg_id,
     return kvm_vcpu_ioctl(cs, KVM_SET_ONE_REG, &cp0reg);
 }
 
+static inline int kvm_mips_put_one_ureg(CPUState *cs, uint64_t reg_id,
+                                        uint32_t *addr)
+{
+    struct kvm_one_reg cp0reg = {
+        .id = reg_id,
+        .addr = (uintptr_t)addr
+    };
+
+    return kvm_vcpu_ioctl(cs, KVM_SET_ONE_REG, &cp0reg);
+}
+
 static inline int kvm_mips_put_one_ulreg(CPUState *cs, uint64_t reg_id,
                                          target_ulong *addr)
 {
@@ -282,6 +293,17 @@  static inline int kvm_mips_get_one_reg(CPUState *cs, uint64_t reg_id,
     return kvm_vcpu_ioctl(cs, KVM_GET_ONE_REG, &cp0reg);
 }
 
+static inline int kvm_mips_get_one_ureg(CPUState *cs, uint64_t reg_id,
+                                        uint32_t *addr)
+{
+    struct kvm_one_reg cp0reg = {
+        .id = reg_id,
+        .addr = (uintptr_t)addr
+    };
+
+    return kvm_vcpu_ioctl(cs, KVM_GET_ONE_REG, &cp0reg);
+}
+
 static inline int kvm_mips_get_one_ulreg(CPUState *cs, uint64_t reg_id,
                                          target_ulong *addr)
 {