19 	u_register_t reg;  in sme_enable()  local
26 	reg = read_ctx_reg(state, CTX_SCR_EL3);  in sme_enable()
27 	reg |= SCR_ENTP2_BIT;  in sme_enable()
28 	write_ctx_reg(state, CTX_SCR_EL3, reg);  in sme_enable()
33 	u_register_t reg;  in sme_enable_per_world()  local
36 	reg = per_world_ctx->ctx_cptr_el3;  in sme_enable_per_world()
37 	reg |= ESM_BIT;  in sme_enable_per_world()
38 	per_world_ctx->ctx_cptr_el3 = reg;  in sme_enable_per_world()
80 	u_register_t reg;  in sme_disable()  local
87 	reg = read_ctx_reg(state, CTX_SCR_EL3);  in sme_disable()
88 	reg &= ~SCR_ENTP2_BIT;  in sme_disable()
89 	write_ctx_reg(state, CTX_SCR_EL3, reg);  in sme_disable()
94 	u_register_t reg;  in sme_disable_per_world()  local
97 	reg = per_world_ctx->ctx_cptr_el3;  in sme_disable_per_world()
98 	reg &= ~ESM_BIT;	/* Trap SME */  in sme_disable_per_world()
99 	reg &= ~CPTR_EZ_BIT;	/* Trap SVE */  in sme_disable_per_world()
100 	per_world_ctx->ctx_cptr_el3 = reg;  in sme_disable_per_world()