diff options
Diffstat (limited to 'sysdeps')
| -rw-r--r-- | sysdeps/Makefile | 10 | ||||
| -rw-r--r-- | sysdeps/kvm.c | 79 |
2 files changed, 89 insertions, 0 deletions
diff --git a/sysdeps/Makefile b/sysdeps/Makefile new file mode 100644 index 0000000..092047e --- /dev/null +++ b/sysdeps/Makefile @@ -0,0 +1,10 @@ +OUT ?= /dev/stdout + +gen: kvm + ./kvm > $(OUT) + +kvm: kvm.c + $(CC) $(CFLAGS) -Wpedantic -Wall -Wextra -Werror -o $@ $^ + +clean: + $(RM) kvm diff --git a/sysdeps/kvm.c b/sysdeps/kvm.c new file mode 100644 index 0000000..1665349 --- /dev/null +++ b/sysdeps/kvm.c @@ -0,0 +1,79 @@ +#include <linux/kvm.h> + +#include <stdio.h> +#include <stdalign.h> // alignof operator +#include <stddef.h> // offsetof operator + +int main() { + /* Global constants */ + + printf("pub(crate) const KVM_API_VERSION : i32 = 0x%x;\n", KVM_API_VERSION); + + /* ioctl's for /dev/kvm */ + + // param: none + // ret : constant KVM_API_VERSION (=12) + printf("pub(crate) const KVM_GET_API_VERSION : u64 = 0x%x;\n", KVM_GET_API_VERSION); + // param: machine type identifier (most cases just 0) + // ret : VM fd + printf("pub(crate) const KVM_CREATE_VM : u64 = 0x%x;\n", KVM_CREATE_VM); + // param: none + // ret : size of vcpu mmap region in bytes + printf("pub(crate) const KVM_GET_VCPU_MMAP_SIZE : u64 = 0x%x;\n", KVM_GET_VCPU_MMAP_SIZE); + + /* ioctl's for VM fd */ + + // param: vpcu id + // ret : VCPU fd + printf("pub(crate) const KVM_CREATE_VCPU : u64 = 0x%x;\n", KVM_CREATE_VCPU); + // param: struct kvm_userspace_memory_region + // ret : 0 success, -1 error + printf("pub(crate) const KVM_SET_USER_MEMORY_REGION : u64 = 0x%lx;\n", KVM_SET_USER_MEMORY_REGION); + + /* ioctl's for VCPU fd */ + + // param: none + // ret : 0 success, -1 error + printf("pub(crate) const KVM_RUN : u64 = 0x%x;\n", KVM_RUN); + // param: struct kvm_regs + // ret : 0 success, -1 error + printf("pub(crate) const KVM_GET_REGS : u64 = 0x%lx;\n", KVM_GET_REGS); + // param: struct kvm_regs + // ret : 0 success, -1 error + printf("pub(crate) const KVM_SET_REGS : u64 = 0x%lx;\n", KVM_SET_REGS); + // param: struct kvm_sregs + // ret : 0 success, -1 error + printf("pub(crate) const KVM_GET_SREGS : u64 = 0x%lx;\n", KVM_GET_SREGS); + // param: struct kvm_sregs + // ret : 0 success, -1 error + printf("pub(crate) const KVM_SET_SREGS : u64 = 0x%lx;\n", KVM_SET_SREGS); + + /* struct kvm_run constants */ + + printf("pub(crate) const KVM_EXIT_HLT : u64 = 0x%x;\n", KVM_EXIT_HLT); + printf("pub(crate) const KVM_EXIT_IO : u64 = 0x%x;\n", KVM_EXIT_IO); + printf("pub(crate) const KVM_EXIT_IO_IN : u64 = 0x%x;\n", KVM_EXIT_IO_IN); + printf("pub(crate) const KVM_EXIT_IO_OUT : u64 = 0x%x;\n", KVM_EXIT_IO_OUT); + printf("pub(crate) const KVM_EXIT_MMIO : u64 = 0x%x;\n", KVM_EXIT_MMIO); + + /* Testing constants */ + + printf("#[cfg(test)] const TEST_KVM_REGS_SIZE : usize = %ld;\n", sizeof(struct kvm_regs)); + printf("#[cfg(test)] const TEST_KVM_REGS_ALIGN : usize = %ld;\n", alignof(struct kvm_regs)); + printf("#[cfg(test)] const TEST_KVM_SREGS_SIZE : usize = %ld;\n", sizeof(struct kvm_sregs)); + printf("#[cfg(test)] const TEST_KVM_SREGS_ALIGN : usize = %ld;\n", alignof(struct kvm_sregs)); + printf("#[cfg(test)] const TEST_KVM_SREGS_INTERRTUP_BITMAP_SIZE : usize = %ld;\n", sizeof(((struct kvm_sregs*)0)->interrupt_bitmap)); + printf("#[cfg(test)] const TEST_KVM_SEGMENT_SIZE : usize = %ld;\n", sizeof(struct kvm_segment)); + printf("#[cfg(test)] const TEST_KVM_SEGMENT_ALIGN : usize = %ld;\n", alignof(struct kvm_segment)); + printf("#[cfg(test)] const TEST_KVM_DTABLE_SIZE : usize = %ld;\n", sizeof(struct kvm_dtable)); + printf("#[cfg(test)] const TEST_KVM_DTABLE_ALIGN : usize = %ld;\n", alignof(struct kvm_dtable)); + printf("#[cfg(test)] const TEST_KVM_USERSPACE_MEMORY_REGION_SIZE : usize = %ld;\n", sizeof(struct kvm_userspace_memory_region)); + printf("#[cfg(test)] const TEST_KVM_USERSPACE_MEMORY_REGION_ALIGN : usize = %ld;\n", alignof(struct kvm_userspace_memory_region)); + printf("#[cfg(test)] const TEST_KVM_RUN_SIZE : usize = %ld;\n", sizeof(struct kvm_run)); + printf("#[cfg(test)] const TEST_KVM_RUN_ALIGN : usize = %ld;\n", alignof(struct kvm_run)); + printf("#[cfg(test)] const TEST_KVM_RUN_IO_SIZE : usize = %ld;\n", sizeof(((struct kvm_run*)0)->io)); + printf("#[cfg(test)] const TEST_KVM_RUN_MMIO_SIZE : usize = %ld;\n", sizeof(((struct kvm_run*)0)->mmio)); + printf("#[cfg(test)] const TEST_KVM_RUN_UNION_S_SIZE : usize = %ld;\n", sizeof(((struct kvm_run*)0)->s)); + + return 0; +} |