]> git.proxmox.com Git - mirror_ubuntu-jammy-kernel.git/blobdiff - arch/mips/mm/tlbex.c
MIPS: Move definition of SMP processor id register to header file
[mirror_ubuntu-jammy-kernel.git] / arch / mips / mm / tlbex.c
index 9bb3a9363b0618df3e19a43fafc68eb91dff18ba..444d92108396d6ab530d135f9b4a4fabe5e869ce 100644 (file)
@@ -340,10 +340,6 @@ static struct work_registers build_get_work_registers(u32 **p)
 {
        struct work_registers r;
 
-       int smp_processor_id_reg;
-       int smp_processor_id_sel;
-       int smp_processor_id_shift;
-
        if (scratch_reg >= 0) {
                /* Save in CPU local C0_KScratch? */
                UASM_i_MTC0(p, 1, c0_kscratch(), scratch_reg);
@@ -354,25 +350,9 @@ static struct work_registers build_get_work_registers(u32 **p)
        }
 
        if (num_possible_cpus() > 1) {
-#ifdef CONFIG_MIPS_PGD_C0_CONTEXT
-               smp_processor_id_shift = 51;
-               smp_processor_id_reg = 20; /* XContext */
-               smp_processor_id_sel = 0;
-#else
-# ifdef CONFIG_32BIT
-               smp_processor_id_shift = 25;
-               smp_processor_id_reg = 4; /* Context */
-               smp_processor_id_sel = 0;
-# endif
-# ifdef CONFIG_64BIT
-               smp_processor_id_shift = 26;
-               smp_processor_id_reg = 4; /* Context */
-               smp_processor_id_sel = 0;
-# endif
-#endif
                /* Get smp_processor_id */
-               UASM_i_MFC0(p, K0, smp_processor_id_reg, smp_processor_id_sel);
-               UASM_i_SRL_SAFE(p, K0, K0, smp_processor_id_shift);
+               UASM_i_CPUID_MFC0(p, K0, SMP_CPUID_REG);
+               UASM_i_SRL_SAFE(p, K0, K0, SMP_CPUID_REGSHIFT);
 
                /* handler_reg_save index in K0 */
                UASM_i_SLL(p, K0, K0, ilog2(sizeof(struct tlb_reg_save)));
@@ -837,20 +817,8 @@ build_get_pmde64(u32 **p, struct uasm_label **l, struct uasm_reloc **r,
                uasm_i_drotr(p, ptr, ptr, 11);
        }
 #elif defined(CONFIG_SMP)
-# ifdef         CONFIG_MIPS_MT_SMTC
-       /*
-        * SMTC uses TCBind value as "CPU" index
-        */
-       uasm_i_mfc0(p, ptr, C0_TCBIND);
-       uasm_i_dsrl_safe(p, ptr, ptr, 19);
-# else
-       /*
-        * 64 bit SMP running in XKPHYS has smp_processor_id() << 3
-        * stored in CONTEXT.
-        */
-       uasm_i_dmfc0(p, ptr, C0_CONTEXT);
-       uasm_i_dsrl_safe(p, ptr, ptr, 23);
-# endif
+       UASM_i_CPUID_MFC0(p, ptr, SMP_CPUID_REG);
+       uasm_i_dsrl_safe(p, ptr, ptr, SMP_CPUID_PTRSHIFT);
        UASM_i_LA_mostly(p, tmp, pgdc);
        uasm_i_daddu(p, ptr, ptr, tmp);
        uasm_i_dmfc0(p, tmp, C0_BADVADDR);
@@ -957,21 +925,9 @@ build_get_pgde32(u32 **p, unsigned int tmp, unsigned int ptr)
 
        /* 32 bit SMP has smp_processor_id() stored in CONTEXT. */
 #ifdef CONFIG_SMP
-#ifdef CONFIG_MIPS_MT_SMTC
-       /*
-        * SMTC uses TCBind value as "CPU" index
-        */
-       uasm_i_mfc0(p, ptr, C0_TCBIND);
+       uasm_i_mfc0(p, ptr, SMP_CPUID_REG);
        UASM_i_LA_mostly(p, tmp, pgdc);
-       uasm_i_srl(p, ptr, ptr, 19);
-#else
-       /*
-        * smp_processor_id() << 2 is stored in CONTEXT.
-        */
-       uasm_i_mfc0(p, ptr, C0_CONTEXT);
-       UASM_i_LA_mostly(p, tmp, pgdc);
-       uasm_i_srl(p, ptr, ptr, 23);
-#endif
+       uasm_i_srl(p, ptr, ptr, SMP_CPUID_PTRSHIFT);
        uasm_i_addu(p, ptr, tmp, ptr);
 #else
        UASM_i_LA_mostly(p, ptr, pgdc);