diff options
Diffstat (limited to 'pkg/csource/generated.go')
| -rw-r--r-- | pkg/csource/generated.go | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/pkg/csource/generated.go b/pkg/csource/generated.go index 75f228a7f..5e234d47a 100644 --- a/pkg/csource/generated.go +++ b/pkg/csource/generated.go @@ -7180,6 +7180,144 @@ static long syz_kvm_setup_cpu(volatile long a0, volatile long a1, volatile long return 0; } +#elif GOARCH_ppc64 || GOARCH_ppc64le + +#define ADDR_TEXT 0x0000 +#define ADDR_GDT 0x1000 +#define ADDR_LDT 0x1800 +#define ADDR_PML4 0x2000 +#define ADDR_PDP 0x3000 +#define ADDR_PD 0x4000 +#define ADDR_STACK0 0x0f80 +#define ADDR_VAR_HLT 0x2800 +#define ADDR_VAR_SYSRET 0x2808 +#define ADDR_VAR_SYSEXIT 0x2810 +#define ADDR_VAR_IDT 0x3800 +#define ADDR_VAR_TSS64 0x3a00 +#define ADDR_VAR_TSS64_CPL3 0x3c00 +#define ADDR_VAR_TSS16 0x3d00 +#define ADDR_VAR_TSS16_2 0x3e00 +#define ADDR_VAR_TSS16_CPL3 0x3f00 +#define ADDR_VAR_TSS32 0x4800 +#define ADDR_VAR_TSS32_2 0x4a00 +#define ADDR_VAR_TSS32_CPL3 0x4c00 +#define ADDR_VAR_TSS32_VM86 0x4e00 +#define ADDR_VAR_VMXON_PTR 0x5f00 +#define ADDR_VAR_VMCS_PTR 0x5f08 +#define ADDR_VAR_VMEXIT_PTR 0x5f10 +#define ADDR_VAR_VMWRITE_FLD 0x5f18 +#define ADDR_VAR_VMWRITE_VAL 0x5f20 +#define ADDR_VAR_VMXON 0x6000 +#define ADDR_VAR_VMCS 0x7000 +#define ADDR_VAR_VMEXIT_CODE 0x9000 +#define ADDR_VAR_USER_CODE 0x9100 +#define ADDR_VAR_USER_CODE2 0x9120 + +#define SEL_LDT (1 << 3) +#define SEL_CS16 (2 << 3) +#define SEL_DS16 (3 << 3) +#define SEL_CS16_CPL3 ((4 << 3) + 3) +#define SEL_DS16_CPL3 ((5 << 3) + 3) +#define SEL_CS32 (6 << 3) +#define SEL_DS32 (7 << 3) +#define SEL_CS32_CPL3 ((8 << 3) + 3) +#define SEL_DS32_CPL3 ((9 << 3) + 3) +#define SEL_CS64 (10 << 3) +#define SEL_DS64 (11 << 3) +#define SEL_CS64_CPL3 ((12 << 3) + 3) +#define SEL_DS64_CPL3 ((13 << 3) + 3) +#define SEL_CGATE16 (14 << 3) +#define SEL_TGATE16 (15 << 3) +#define SEL_CGATE32 (16 << 3) +#define SEL_TGATE32 (17 << 3) +#define SEL_CGATE64 (18 << 3) +#define SEL_CGATE64_HI (19 << 3) +#define SEL_TSS16 (20 << 3) +#define SEL_TSS16_2 (21 << 3) +#define SEL_TSS16_CPL3 ((22 << 3) + 3) +#define SEL_TSS32 (23 << 3) +#define SEL_TSS32_2 (24 << 3) +#define SEL_TSS32_CPL3 ((25 << 3) + 3) +#define SEL_TSS32_VM86 (26 << 3) +#define SEL_TSS64 (27 << 3) +#define SEL_TSS64_HI (28 << 3) +#define SEL_TSS64_CPL3 ((29 << 3) + 3) +#define SEL_TSS64_CPL3_HI (30 << 3) + +#define MSR_IA32_FEATURE_CONTROL 0x3a +#define MSR_IA32_VMX_BASIC 0x480 +#define MSR_IA32_SMBASE 0x9e +#define MSR_IA32_SYSENTER_CS 0x174 +#define MSR_IA32_SYSENTER_ESP 0x175 +#define MSR_IA32_SYSENTER_EIP 0x176 +#define MSR_IA32_STAR 0xC0000081 +#define MSR_IA32_LSTAR 0xC0000082 +#define MSR_IA32_VMX_PROCBASED_CTLS2 0x48B + +#define NEXT_INSN $0xbadc0de +#define PREFIX_SIZE 0xba1d + + +struct kvm_text { + uintptr_t typ; + const void* text; + uintptr_t size; +}; +static long syz_kvm_setup_cpu(volatile long a0, volatile long a1, volatile long a2, volatile long a3, volatile long a4, volatile long a5, volatile long a6, volatile long a7) +{ + const int vmfd = a0; + const int cpufd = a1; + char* const host_mem = (char*)a2; + const struct kvm_text* const text_array_ptr = (struct kvm_text*)a3; + const uintptr_t text_count = a4; + + const uintptr_t page_size = 16 << 10; + const uintptr_t guest_mem_size = 256 << 20; + const uintptr_t guest_mem = 0; + + (void)text_count; + const void* text = 0; + uintptr_t text_size = 0; + NONFAILING(text = text_array_ptr[0].text); + NONFAILING(text_size = text_array_ptr[0].size); + + for (uintptr_t i = 0; i < guest_mem_size / page_size; i++) { + struct kvm_userspace_memory_region memreg; + memreg.slot = i; + memreg.flags = 0; + memreg.guest_phys_addr = guest_mem + i * page_size; + memreg.memory_size = page_size; + memreg.userspace_addr = (uintptr_t)host_mem + i * page_size; + ioctl(vmfd, KVM_SET_USER_MEMORY_REGION, &memreg); + } + + struct kvm_regs regs; + struct kvm_sregs sregs; + if (ioctl(cpufd, KVM_GET_SREGS, &sregs)) + return -1; + if (ioctl(cpufd, KVM_GET_REGS, ®s)) + return -1; + regs.msr = 1ULL | (1ULL << 63); + + memcpy(host_mem, text, text_size); + + if (ioctl(cpufd, KVM_SET_SREGS, &sregs)) + return -1; + if (ioctl(cpufd, KVM_SET_REGS, ®s)) + return -1; +#define MAX_HCALL 0x450 + for (unsigned hcall = 4; hcall < MAX_HCALL; hcall += 4) { + struct kvm_enable_cap cap = { + .cap = KVM_CAP_PPC_ENABLE_HCALL, + .flags = 0, + .args = {hcall, 1}, + }; + ioctl(vmfd, KVM_ENABLE_CAP, &cap); + } + + return 0; +} + #elif !GOARCH_arm static long syz_kvm_setup_cpu(volatile long a0, volatile long a1, volatile long a2, volatile long a3, volatile long a4, volatile long a5, volatile long a6, volatile long a7) { |