arch/x86/registers.cpp

144 static void set_x87_initial_state(x86_xsave_legacy_area* legacy_area) {
145     legacy_area->fcw = 0x037f;
146     legacy_area->fsw = 0;
151     legacy_area->ftw = 0;
152     legacy_area->fop = 0;
153     legacy_area->fip = 0;
154     legacy_area->fdp = 0;
157     constexpr size_t fp_reg_size = sizeof(legacy_area->st);
159     memset(&legacy_area->st[0], 0, fp_reg_size);
164 static void set_sse_initial_state(x86_xsave_legacy_area* legacy_area) {
165     constexpr size_t sse_reg_size = sizeof(legacy_area->xmm);
167     memset(&legacy_area->xmm[0], 0, sse_reg_size);