diff options
Diffstat (limited to 'target/s390x/mmu_helper.c')
| -rw-r--r-- | target/s390x/mmu_helper.c | 25 |
1 files changed, 18 insertions, 7 deletions
diff --git a/target/s390x/mmu_helper.c b/target/s390x/mmu_helper.c index d8f4838..3b1e75f 100644 --- a/target/s390x/mmu_helper.c +++ b/target/s390x/mmu_helper.c @@ -17,14 +17,15 @@ #include "qemu/osdep.h" #include "qemu/error-report.h" -#include "exec/address-spaces.h" +#include "system/address-spaces.h" #include "cpu.h" #include "s390x-internal.h" #include "kvm/kvm_s390x.h" #include "system/kvm.h" #include "system/tcg.h" -#include "exec/exec-all.h" +#include "system/memory.h" #include "exec/page-protection.h" +#include "exec/target_page.h" #include "hw/hw.h" #include "hw/s390x/storage-keys.h" #include "hw/boards.h" @@ -522,6 +523,7 @@ int s390_cpu_pv_mem_rw(S390CPU *cpu, unsigned int offset, void *hostbuf, int s390_cpu_virt_mem_rw(S390CPU *cpu, vaddr laddr, uint8_t ar, void *hostbuf, int len, bool is_write) { + const MemTxAttrs attrs = MEMTXATTRS_UNSPECIFIED; int currlen, nr_pages, i; target_ulong *pages; uint64_t tec; @@ -539,19 +541,28 @@ int s390_cpu_virt_mem_rw(S390CPU *cpu, vaddr laddr, uint8_t ar, void *hostbuf, pages = g_malloc(nr_pages * sizeof(*pages)); ret = translate_pages(cpu, laddr, nr_pages, pages, is_write, &tec); - if (ret) { - trigger_access_exception(&cpu->env, ret, tec); - } else if (hostbuf != NULL) { + if (ret == 0 && hostbuf != NULL) { + AddressSpace *as = CPU(cpu)->as; + /* Copy data by stepping through the area page by page */ for (i = 0; i < nr_pages; i++) { + MemTxResult res; + currlen = MIN(len, TARGET_PAGE_SIZE - (laddr % TARGET_PAGE_SIZE)); - cpu_physical_memory_rw(pages[i] | (laddr & ~TARGET_PAGE_MASK), - hostbuf, currlen, is_write); + res = address_space_rw(as, pages[i] | (laddr & ~TARGET_PAGE_MASK), + attrs, hostbuf, currlen, is_write); + if (res != MEMTX_OK) { + ret = PGM_ADDRESSING; + break; + } laddr += currlen; hostbuf += currlen; len -= currlen; } } + if (ret) { + trigger_access_exception(&cpu->env, ret, tec); + } g_free(pages); return ret; |