diff options
author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-03-29 23:04:53 -0400 |
---|---|---|
committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-03-29 23:04:53 -0400 |
commit | 9ff9a26b786c35ee8d2a66222924a807ec851a9f (patch) | |
tree | db432a17bccca1ca2c16907f0ee83ac449ed4012 /arch/powerpc/kvm/44x.c | |
parent | 0a3108beea9143225119d5e7c72a8e2c64f3eb7d (diff) | |
parent | 0d34fb8e93ceba7b6dad0062dbb4a0813bacd75b (diff) |
Merge commit 'origin/master' into next
Manual merge of:
arch/powerpc/include/asm/elf.h
drivers/i2c/busses/i2c-mpc.c
Diffstat (limited to 'arch/powerpc/kvm/44x.c')
-rw-r--r-- | arch/powerpc/kvm/44x.c | 72 |
1 files changed, 1 insertions, 71 deletions
diff --git a/arch/powerpc/kvm/44x.c b/arch/powerpc/kvm/44x.c index a66bec57265a..0cef809cec21 100644 --- a/arch/powerpc/kvm/44x.c +++ b/arch/powerpc/kvm/44x.c | |||
@@ -28,72 +28,6 @@ | |||
28 | 28 | ||
29 | #include "44x_tlb.h" | 29 | #include "44x_tlb.h" |
30 | 30 | ||
31 | /* Note: clearing MSR[DE] just means that the debug interrupt will not be | ||
32 | * delivered *immediately*. Instead, it simply sets the appropriate DBSR bits. | ||
33 | * If those DBSR bits are still set when MSR[DE] is re-enabled, the interrupt | ||
34 | * will be delivered as an "imprecise debug event" (which is indicated by | ||
35 | * DBSR[IDE]. | ||
36 | */ | ||
37 | static void kvm44x_disable_debug_interrupts(void) | ||
38 | { | ||
39 | mtmsr(mfmsr() & ~MSR_DE); | ||
40 | } | ||
41 | |||
42 | void kvmppc_core_load_host_debugstate(struct kvm_vcpu *vcpu) | ||
43 | { | ||
44 | kvm44x_disable_debug_interrupts(); | ||
45 | |||
46 | mtspr(SPRN_IAC1, vcpu->arch.host_iac[0]); | ||
47 | mtspr(SPRN_IAC2, vcpu->arch.host_iac[1]); | ||
48 | mtspr(SPRN_IAC3, vcpu->arch.host_iac[2]); | ||
49 | mtspr(SPRN_IAC4, vcpu->arch.host_iac[3]); | ||
50 | mtspr(SPRN_DBCR1, vcpu->arch.host_dbcr1); | ||
51 | mtspr(SPRN_DBCR2, vcpu->arch.host_dbcr2); | ||
52 | mtspr(SPRN_DBCR0, vcpu->arch.host_dbcr0); | ||
53 | mtmsr(vcpu->arch.host_msr); | ||
54 | } | ||
55 | |||
56 | void kvmppc_core_load_guest_debugstate(struct kvm_vcpu *vcpu) | ||
57 | { | ||
58 | struct kvm_guest_debug *dbg = &vcpu->guest_debug; | ||
59 | u32 dbcr0 = 0; | ||
60 | |||
61 | vcpu->arch.host_msr = mfmsr(); | ||
62 | kvm44x_disable_debug_interrupts(); | ||
63 | |||
64 | /* Save host debug register state. */ | ||
65 | vcpu->arch.host_iac[0] = mfspr(SPRN_IAC1); | ||
66 | vcpu->arch.host_iac[1] = mfspr(SPRN_IAC2); | ||
67 | vcpu->arch.host_iac[2] = mfspr(SPRN_IAC3); | ||
68 | vcpu->arch.host_iac[3] = mfspr(SPRN_IAC4); | ||
69 | vcpu->arch.host_dbcr0 = mfspr(SPRN_DBCR0); | ||
70 | vcpu->arch.host_dbcr1 = mfspr(SPRN_DBCR1); | ||
71 | vcpu->arch.host_dbcr2 = mfspr(SPRN_DBCR2); | ||
72 | |||
73 | /* set registers up for guest */ | ||
74 | |||
75 | if (dbg->bp[0]) { | ||
76 | mtspr(SPRN_IAC1, dbg->bp[0]); | ||
77 | dbcr0 |= DBCR0_IAC1 | DBCR0_IDM; | ||
78 | } | ||
79 | if (dbg->bp[1]) { | ||
80 | mtspr(SPRN_IAC2, dbg->bp[1]); | ||
81 | dbcr0 |= DBCR0_IAC2 | DBCR0_IDM; | ||
82 | } | ||
83 | if (dbg->bp[2]) { | ||
84 | mtspr(SPRN_IAC3, dbg->bp[2]); | ||
85 | dbcr0 |= DBCR0_IAC3 | DBCR0_IDM; | ||
86 | } | ||
87 | if (dbg->bp[3]) { | ||
88 | mtspr(SPRN_IAC4, dbg->bp[3]); | ||
89 | dbcr0 |= DBCR0_IAC4 | DBCR0_IDM; | ||
90 | } | ||
91 | |||
92 | mtspr(SPRN_DBCR0, dbcr0); | ||
93 | mtspr(SPRN_DBCR1, 0); | ||
94 | mtspr(SPRN_DBCR2, 0); | ||
95 | } | ||
96 | |||
97 | void kvmppc_core_vcpu_load(struct kvm_vcpu *vcpu, int cpu) | 31 | void kvmppc_core_vcpu_load(struct kvm_vcpu *vcpu, int cpu) |
98 | { | 32 | { |
99 | kvmppc_44x_tlb_load(vcpu); | 33 | kvmppc_44x_tlb_load(vcpu); |
@@ -149,8 +83,6 @@ int kvmppc_core_vcpu_setup(struct kvm_vcpu *vcpu) | |||
149 | int kvmppc_core_vcpu_translate(struct kvm_vcpu *vcpu, | 83 | int kvmppc_core_vcpu_translate(struct kvm_vcpu *vcpu, |
150 | struct kvm_translation *tr) | 84 | struct kvm_translation *tr) |
151 | { | 85 | { |
152 | struct kvmppc_vcpu_44x *vcpu_44x = to_44x(vcpu); | ||
153 | struct kvmppc_44x_tlbe *gtlbe; | ||
154 | int index; | 86 | int index; |
155 | gva_t eaddr; | 87 | gva_t eaddr; |
156 | u8 pid; | 88 | u8 pid; |
@@ -166,9 +98,7 @@ int kvmppc_core_vcpu_translate(struct kvm_vcpu *vcpu, | |||
166 | return 0; | 98 | return 0; |
167 | } | 99 | } |
168 | 100 | ||
169 | gtlbe = &vcpu_44x->guest_tlb[index]; | 101 | tr->physical_address = kvmppc_mmu_xlate(vcpu, index, eaddr); |
170 | |||
171 | tr->physical_address = tlb_xlate(gtlbe, eaddr); | ||
172 | /* XXX what does "writeable" and "usermode" even mean? */ | 102 | /* XXX what does "writeable" and "usermode" even mean? */ |
173 | tr->valid = 1; | 103 | tr->valid = 1; |
174 | 104 | ||