From: Stefan Hajnoczi Date: Thu, 24 Apr 2025 17:44:39 +0000 (-0400) Subject: Merge tag 'pull-loongarch-20250424' of https://github.com/gaosong715/qemu into staging X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=d9bf9713239945a5d4187593599de49da3351416;p=thirdparty%2Fqemu.git Merge tag 'pull-loongarch-20250424' of https://github.com/gaosong715/qemu into staging pull-loongarch-20230424 # -----BEGIN PGP SIGNATURE----- # # iLMEAAEKAB0WIQS4/x2g0v3LLaCcbCxAov/yOSY+3wUCaAmmRQAKCRBAov/yOSY+ # 3yZoA/4udi9ZmLsaiPqfKCS+0eF8XScIT493lVD359lFTBTT7mshh9PPhTLzdtiC # 8fcfYi7jSjfC9gGTjPgnNCOzKIg3Gbdl61AFDgIwd8q/5HQAgonHAywTUtmqDaPK # bXZ/JkkJQby2dla6015XKQS/d/EXWHgYjrcb1JZIRoaLworZPw== # =zBCJ # -----END PGP SIGNATURE----- # gpg: Signature made Wed 23 Apr 2025 22:47:33 EDT # gpg: using RSA key B8FF1DA0D2FDCB2DA09C6C2C40A2FFF239263EDF # gpg: Good signature from "Song Gao " [unknown] # gpg: WARNING: This key is not certified with a trusted signature! # gpg: There is no indication that the signature belongs to the owner. # Primary key fingerprint: B8FF 1DA0 D2FD CB2D A09C 6C2C 40A2 FFF2 3926 3EDF * tag 'pull-loongarch-20250424' of https://github.com/gaosong715/qemu: target/loongarch: Guard BCEQZ/BCNEZ instructions with FP feature target/loongarch: Add CRC feature flag and use it to gate CRC instructions linux-user/loongarch64: Decode BRK break codes for FPE signals target/loongarch: Move definition of TCG specified function to tcg directory target/loongarch: Add static definition with function loongarch_tlb_search() target/loongarch: Move function loongarch_tlb_search to directory tcg target/loongarch: Define function loongarch_get_addr_from_tlb() non-static target/loongarch: Set function loongarch_map_address() with common code target/loongarch: Add stub function loongarch_get_addr_from_tlb target/loongarch: Move function get_dir_base_width to common directory target/loongarch: Add function loongarch_get_addr_from_tlb target/loongarch: Move header file helper.h to directory tcg hw/intc/loongarch_pch_msi: Remove gpio input handler Signed-off-by: Stefan Hajnoczi --- d9bf9713239945a5d4187593599de49da3351416 diff --cc target/loongarch/cpu.c index fe9462b3b7e,588f5fd021f..0e6c89eb1b1 --- a/target/loongarch/cpu.c +++ b/target/loongarch/cpu.c @@@ -29,9 -29,10 +29,10 @@@ #include #endif #ifdef CONFIG_TCG -#include "exec/cpu_ldst.h" +#include "accel/tcg/cpu-ldst.h" #include "tcg/tcg.h" #endif + #include "tcg/tcg_loongarch.h" const char * const regnames[32] = { "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", diff --cc target/loongarch/cpu_helper.c index bb343078bf7,998857b8dca..e172b11ce15 --- a/target/loongarch/cpu_helper.c +++ b/target/loongarch/cpu_helper.c @@@ -7,140 -7,38 +7,40 @@@ */ #include "qemu/osdep.h" + #include "system/tcg.h" #include "cpu.h" +#include "accel/tcg/cpu-mmu-index.h" +#include "exec/target_page.h" #include "internals.h" #include "cpu-csr.h" + #include "tcg/tcg_loongarch.h" - #ifdef CONFIG_TCG - static int loongarch_map_tlb_entry(CPULoongArchState *env, hwaddr *physical, - int *prot, target_ulong address, - int access_type, int index, int mmu_idx) + void get_dir_base_width(CPULoongArchState *env, uint64_t *dir_base, + uint64_t *dir_width, target_ulong level) { - LoongArchTLB *tlb = &env->tlb[index]; - uint64_t plv = mmu_idx; - uint64_t tlb_entry, tlb_ppn; - uint8_t tlb_ps, n, tlb_v, tlb_d, tlb_plv, tlb_nx, tlb_nr, tlb_rplv; - - if (index >= LOONGARCH_STLB) { - tlb_ps = FIELD_EX64(tlb->tlb_misc, TLB_MISC, PS); - } else { - tlb_ps = FIELD_EX64(env->CSR_STLBPS, CSR_STLBPS, PS); - } - n = (address >> tlb_ps) & 0x1;/* Odd or even */ - - tlb_entry = n ? tlb->tlb_entry1 : tlb->tlb_entry0; - tlb_v = FIELD_EX64(tlb_entry, TLBENTRY, V); - tlb_d = FIELD_EX64(tlb_entry, TLBENTRY, D); - tlb_plv = FIELD_EX64(tlb_entry, TLBENTRY, PLV); - if (is_la64(env)) { - tlb_ppn = FIELD_EX64(tlb_entry, TLBENTRY_64, PPN); - tlb_nx = FIELD_EX64(tlb_entry, TLBENTRY_64, NX); - tlb_nr = FIELD_EX64(tlb_entry, TLBENTRY_64, NR); - tlb_rplv = FIELD_EX64(tlb_entry, TLBENTRY_64, RPLV); - } else { - tlb_ppn = FIELD_EX64(tlb_entry, TLBENTRY_32, PPN); - tlb_nx = 0; - tlb_nr = 0; - tlb_rplv = 0; - } - - /* Remove sw bit between bit12 -- bit PS*/ - tlb_ppn = tlb_ppn & ~(((0x1UL << (tlb_ps - 12)) -1)); - - /* Check access rights */ - if (!tlb_v) { - return TLBRET_INVALID; - } - - if (access_type == MMU_INST_FETCH && tlb_nx) { - return TLBRET_XI; + switch (level) { + case 1: + *dir_base = FIELD_EX64(env->CSR_PWCL, CSR_PWCL, DIR1_BASE); + *dir_width = FIELD_EX64(env->CSR_PWCL, CSR_PWCL, DIR1_WIDTH); + break; + case 2: + *dir_base = FIELD_EX64(env->CSR_PWCL, CSR_PWCL, DIR2_BASE); + *dir_width = FIELD_EX64(env->CSR_PWCL, CSR_PWCL, DIR2_WIDTH); + break; + case 3: + *dir_base = FIELD_EX64(env->CSR_PWCH, CSR_PWCH, DIR3_BASE); + *dir_width = FIELD_EX64(env->CSR_PWCH, CSR_PWCH, DIR3_WIDTH); + break; + case 4: + *dir_base = FIELD_EX64(env->CSR_PWCH, CSR_PWCH, DIR4_BASE); + *dir_width = FIELD_EX64(env->CSR_PWCH, CSR_PWCH, DIR4_WIDTH); + break; + default: + /* level may be zero for ldpte */ + *dir_base = FIELD_EX64(env->CSR_PWCL, CSR_PWCL, PTBASE); + *dir_width = FIELD_EX64(env->CSR_PWCL, CSR_PWCL, PTWIDTH); + break; } - - if (access_type == MMU_DATA_LOAD && tlb_nr) { - return TLBRET_RI; - } - - if (((tlb_rplv == 0) && (plv > tlb_plv)) || - ((tlb_rplv == 1) && (plv != tlb_plv))) { - return TLBRET_PE; - } - - if ((access_type == MMU_DATA_STORE) && !tlb_d) { - return TLBRET_DIRTY; - } - - *physical = (tlb_ppn << R_TLBENTRY_64_PPN_SHIFT) | - (address & MAKE_64BIT_MASK(0, tlb_ps)); - *prot = PAGE_READ; - if (tlb_d) { - *prot |= PAGE_WRITE; - } - if (!tlb_nx) { - *prot |= PAGE_EXEC; - } - return TLBRET_MATCH; - } - - /* - * One tlb entry holds an adjacent odd/even pair, the vpn is the - * content of the virtual page number divided by 2. So the - * compare vpn is bit[47:15] for 16KiB page. while the vppn - * field in tlb entry contains bit[47:13], so need adjust. - * virt_vpn = vaddr[47:13] - */ - bool loongarch_tlb_search(CPULoongArchState *env, target_ulong vaddr, - int *index) - { - LoongArchTLB *tlb; - uint16_t csr_asid, tlb_asid, stlb_idx; - uint8_t tlb_e, tlb_ps, tlb_g, stlb_ps; - int i, compare_shift; - uint64_t vpn, tlb_vppn; - - csr_asid = FIELD_EX64(env->CSR_ASID, CSR_ASID, ASID); - stlb_ps = FIELD_EX64(env->CSR_STLBPS, CSR_STLBPS, PS); - vpn = (vaddr & TARGET_VIRT_MASK) >> (stlb_ps + 1); - stlb_idx = vpn & 0xff; /* VA[25:15] <==> TLBIDX.index for 16KiB Page */ - compare_shift = stlb_ps + 1 - R_TLB_MISC_VPPN_SHIFT; - - /* Search STLB */ - for (i = 0; i < 8; ++i) { - tlb = &env->tlb[i * 256 + stlb_idx]; - tlb_e = FIELD_EX64(tlb->tlb_misc, TLB_MISC, E); - if (tlb_e) { - tlb_vppn = FIELD_EX64(tlb->tlb_misc, TLB_MISC, VPPN); - tlb_asid = FIELD_EX64(tlb->tlb_misc, TLB_MISC, ASID); - tlb_g = FIELD_EX64(tlb->tlb_entry0, TLBENTRY, G); - - if ((tlb_g == 1 || tlb_asid == csr_asid) && - (vpn == (tlb_vppn >> compare_shift))) { - *index = i * 256 + stlb_idx; - return true; - } - } - } - - /* Search MTLB */ - for (i = LOONGARCH_STLB; i < LOONGARCH_TLB_MAX; ++i) { - tlb = &env->tlb[i]; - tlb_e = FIELD_EX64(tlb->tlb_misc, TLB_MISC, E); - if (tlb_e) { - tlb_vppn = FIELD_EX64(tlb->tlb_misc, TLB_MISC, VPPN); - tlb_ps = FIELD_EX64(tlb->tlb_misc, TLB_MISC, PS); - tlb_asid = FIELD_EX64(tlb->tlb_misc, TLB_MISC, ASID); - tlb_g = FIELD_EX64(tlb->tlb_entry0, TLBENTRY, G); - compare_shift = tlb_ps + 1 - R_TLB_MISC_VPPN_SHIFT; - vpn = (vaddr & TARGET_VIRT_MASK) >> (tlb_ps + 1); - if ((tlb_g == 1 || tlb_asid == csr_asid) && - (vpn == (tlb_vppn >> compare_shift))) { - *index = i; - return true; - } - } - } - return false; } static int loongarch_page_table_walker(CPULoongArchState *env, hwaddr *physical, diff --cc target/loongarch/tcg/tlb_helper.c index 9a76a2a205f,2fdd10022be..af208d75ae9 --- a/target/loongarch/tcg/tlb_helper.c +++ b/target/loongarch/tcg/tlb_helper.c @@@ -15,10 -15,10 +15,11 @@@ #include "exec/cputlb.h" #include "exec/exec-all.h" #include "exec/page-protection.h" -#include "exec/cpu_ldst.h" +#include "exec/target_page.h" +#include "accel/tcg/cpu-ldst.h" #include "exec/log.h" #include "cpu-csr.h" + #include "tcg/tcg_loongarch.h" bool check_ps(CPULoongArchState *env, uint8_t tlb_ps) {