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qemu-linux-user.8001
0047-monitor-i386-use-debug-APIs-when-ac.patch
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File 0047-monitor-i386-use-debug-APIs-when-ac.patch of Package qemu-linux-user.8001
From 4b1d416b2f81ac9e4ef1e4105613df98f9e8f945 Mon Sep 17 00:00:00 2001 From: Brijesh Singh <brijesh.singh@amd.com> Date: Wed, 28 Feb 2018 14:24:00 -0700 Subject: [PATCH] monitor/i386: use debug APIs when accessing guest memory Updates HMP commands to use the debug version of APIs when accessing the guest memory. Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Peter Crosthwaite <crosthwaite.peter@gmail.com> Cc: Richard Henderson <rth@twiddle.net> Cc: "Dr. David Alan Gilbert" <dgilbert@redhat.com> Cc: Markus Armbruster <armbru@redhat.com> Cc: Eduardo Habkost <ehabkost@redhat.com> Reviewed-by: "Dr. David Alan Gilbert" <dgilbert@redhat.com> Signed-off-by: Brijesh Singh <brijesh.singh@amd.com> [BR: FATE#322124] Signed-off-by: Bruce Rogers <brogers@suse.com> --- cpus.c | 2 +- disas.c | 2 +- monitor.c | 6 ++--- target/i386/helper.c | 14 +++++----- target/i386/monitor.c | 60 +++++++++++++++++++++++-------------------- 5 files changed, 44 insertions(+), 40 deletions(-) diff --git a/cpus.c b/cpus.c index 96bb688d7b..a7468af35e 100644 --- a/cpus.c +++ b/cpus.c @@ -2034,7 +2034,7 @@ void qmp_pmemsave(int64_t addr, int64_t size, const char *filename, l = sizeof(buf); if (l > size) l = size; - cpu_physical_memory_read(addr, buf, l); + cpu_physical_memory_read_debug(addr, buf, l); if (fwrite(buf, 1, l, f) != l) { error_setg(errp, QERR_IO_ERROR); goto exit; diff --git a/disas.c b/disas.c index d4ad1089ef..fcedbf2633 100644 --- a/disas.c +++ b/disas.c @@ -586,7 +586,7 @@ static int physical_read_memory(bfd_vma memaddr, bfd_byte *myaddr, int length, struct disassemble_info *info) { - cpu_physical_memory_read(memaddr, myaddr, length); + cpu_physical_memory_read_debug(memaddr, myaddr, length); return 0; } diff --git a/monitor.c b/monitor.c index e36fb5308d..6b484e3e0d 100644 --- a/monitor.c +++ b/monitor.c @@ -1359,7 +1359,7 @@ static void memory_dump(Monitor *mon, int count, int format, int wsize, if (l > line_size) l = line_size; if (is_physical) { - cpu_physical_memory_read(addr, buf, l); + cpu_physical_memory_read_debug(addr, buf, l); } else { if (cpu_memory_rw_debug(cs, addr, buf, l, 0) < 0) { monitor_printf(mon, " Cannot access memory\n"); @@ -1565,8 +1565,8 @@ static void hmp_sum(Monitor *mon, const QDict *qdict) sum = 0; for(addr = start; addr < (start + size); addr++) { - uint8_t val = address_space_ldub(&address_space_memory, addr, - MEMTXATTRS_UNSPECIFIED, NULL); + uint8_t val; + cpu_physical_memory_read_debug(addr, &val, 1); /* BSD sum algorithm ('sum' Unix command) */ sum = (sum >> 1) | (sum << 15); sum += val; diff --git a/target/i386/helper.c b/target/i386/helper.c index f63eb3d3f4..5dc9e8839b 100644 --- a/target/i386/helper.c +++ b/target/i386/helper.c @@ -757,7 +757,7 @@ hwaddr x86_cpu_get_phys_page_debug(CPUState *cs, vaddr addr) if (la57) { pml5e_addr = ((env->cr[3] & ~0xfff) + (((addr >> 48) & 0x1ff) << 3)) & a20_mask; - pml5e = x86_ldq_phys(cs, pml5e_addr); + pml5e = ldq_phys_debug(cs, pml5e_addr); if (!(pml5e & PG_PRESENT_MASK)) { return -1; } @@ -767,7 +767,7 @@ hwaddr x86_cpu_get_phys_page_debug(CPUState *cs, vaddr addr) pml4e_addr = ((pml5e & PG_ADDRESS_MASK) + (((addr >> 39) & 0x1ff) << 3)) & a20_mask; - pml4e = x86_ldq_phys(cs, pml4e_addr); + pml4e = ldq_phys_debug(cs, pml4e_addr); if (!(pml4e & PG_PRESENT_MASK)) { return -1; } @@ -788,14 +788,14 @@ hwaddr x86_cpu_get_phys_page_debug(CPUState *cs, vaddr addr) { pdpe_addr = ((env->cr[3] & ~0x1f) + ((addr >> 27) & 0x18)) & a20_mask; - pdpe = x86_ldq_phys(cs, pdpe_addr); + pdpe = ldq_phys_debug(cs, pdpe_addr); if (!(pdpe & PG_PRESENT_MASK)) return -1; } pde_addr = ((pdpe & PG_ADDRESS_MASK) + (((addr >> 21) & 0x1ff) << 3)) & a20_mask; - pde = x86_ldq_phys(cs, pde_addr); + pde = ldq_phys_debug(cs, pde_addr); if (!(pde & PG_PRESENT_MASK)) { return -1; } @@ -808,7 +808,7 @@ hwaddr x86_cpu_get_phys_page_debug(CPUState *cs, vaddr addr) pte_addr = ((pde & PG_ADDRESS_MASK) + (((addr >> 12) & 0x1ff) << 3)) & a20_mask; page_size = 4096; - pte = x86_ldq_phys(cs, pte_addr); + pte = ldq_phys_debug(cs, pte_addr); } if (!(pte & PG_PRESENT_MASK)) { return -1; @@ -818,7 +818,7 @@ hwaddr x86_cpu_get_phys_page_debug(CPUState *cs, vaddr addr) /* page directory entry */ pde_addr = ((env->cr[3] & ~0xfff) + ((addr >> 20) & 0xffc)) & a20_mask; - pde = x86_ldl_phys(cs, pde_addr); + pde = ldl_phys_debug(cs, pde_addr); if (!(pde & PG_PRESENT_MASK)) return -1; if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) { @@ -827,7 +827,7 @@ hwaddr x86_cpu_get_phys_page_debug(CPUState *cs, vaddr addr) } else { /* page directory entry */ pte_addr = ((pde & ~0xfff) + ((addr >> 10) & 0xffc)) & a20_mask; - pte = x86_ldl_phys(cs, pte_addr); + pte = ldl_phys_debug(cs, pte_addr); if (!(pte & PG_PRESENT_MASK)) { return -1; } diff --git a/target/i386/monitor.c b/target/i386/monitor.c index 75e155ffb1..63f7125ba8 100644 --- a/target/i386/monitor.c +++ b/target/i386/monitor.c @@ -66,7 +66,7 @@ static void tlb_info_32(Monitor *mon, CPUArchState *env) pgd = env->cr[3] & ~0xfff; for(l1 = 0; l1 < 1024; l1++) { - cpu_physical_memory_read(pgd + l1 * 4, &pde, 4); + cpu_physical_memory_read_debug(pgd + l1 * 4, &pde, 4); pde = le32_to_cpu(pde); if (pde & PG_PRESENT_MASK) { if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) { @@ -74,7 +74,8 @@ static void tlb_info_32(Monitor *mon, CPUArchState *env) print_pte(mon, env, (l1 << 22), pde, ~((1 << 21) - 1)); } else { for(l2 = 0; l2 < 1024; l2++) { - cpu_physical_memory_read((pde & ~0xfff) + l2 * 4, &pte, 4); + cpu_physical_memory_read_debug((pde & ~0xfff) + l2 * 4, + &pte, 4); pte = le32_to_cpu(pte); if (pte & PG_PRESENT_MASK) { print_pte(mon, env, (l1 << 22) + (l2 << 12), @@ -95,12 +96,12 @@ static void tlb_info_pae32(Monitor *mon, CPUArchState *env) pdp_addr = env->cr[3] & ~0x1f; for (l1 = 0; l1 < 4; l1++) { - cpu_physical_memory_read(pdp_addr + l1 * 8, &pdpe, 8); + cpu_physical_memory_read_debug(pdp_addr + l1 * 8, &pdpe, 8); pdpe = le64_to_cpu(pdpe); if (pdpe & PG_PRESENT_MASK) { pd_addr = pdpe & 0x3fffffffff000ULL; for (l2 = 0; l2 < 512; l2++) { - cpu_physical_memory_read(pd_addr + l2 * 8, &pde, 8); + cpu_physical_memory_read_debug(pd_addr + l2 * 8, &pde, 8); pde = le64_to_cpu(pde); if (pde & PG_PRESENT_MASK) { if (pde & PG_PSE_MASK) { @@ -110,7 +111,8 @@ static void tlb_info_pae32(Monitor *mon, CPUArchState *env) } else { pt_addr = pde & 0x3fffffffff000ULL; for (l3 = 0; l3 < 512; l3++) { - cpu_physical_memory_read(pt_addr + l3 * 8, &pte, 8); + cpu_physical_memory_read_debug(pt_addr + l3 * 8, + &pte, 8); pte = le64_to_cpu(pte); if (pte & PG_PRESENT_MASK) { print_pte(mon, env, (l1 << 30) + (l2 << 21) @@ -135,7 +137,7 @@ static void tlb_info_la48(Monitor *mon, CPUArchState *env, uint64_t pdp_addr, pd_addr, pt_addr; for (l1 = 0; l1 < 512; l1++) { - cpu_physical_memory_read(pml4_addr + l1 * 8, &pml4e, 8); + cpu_physical_memory_read_debug(pml4_addr + l1 * 8, &pml4e, 8); pml4e = le64_to_cpu(pml4e); if (!(pml4e & PG_PRESENT_MASK)) { continue; @@ -143,7 +145,7 @@ static void tlb_info_la48(Monitor *mon, CPUArchState *env, pdp_addr = pml4e & 0x3fffffffff000ULL; for (l2 = 0; l2 < 512; l2++) { - cpu_physical_memory_read(pdp_addr + l2 * 8, &pdpe, 8); + cpu_physical_memory_read_debug(pdp_addr + l2 * 8, &pdpe, 8); pdpe = le64_to_cpu(pdpe); if (!(pdpe & PG_PRESENT_MASK)) { continue; @@ -158,7 +160,7 @@ static void tlb_info_la48(Monitor *mon, CPUArchState *env, pd_addr = pdpe & 0x3fffffffff000ULL; for (l3 = 0; l3 < 512; l3++) { - cpu_physical_memory_read(pd_addr + l3 * 8, &pde, 8); + cpu_physical_memory_read_debug(pd_addr + l3 * 8, &pde, 8); pde = le64_to_cpu(pde); if (!(pde & PG_PRESENT_MASK)) { continue; @@ -173,9 +175,7 @@ static void tlb_info_la48(Monitor *mon, CPUArchState *env, pt_addr = pde & 0x3fffffffff000ULL; for (l4 = 0; l4 < 512; l4++) { - cpu_physical_memory_read(pt_addr - + l4 * 8, - &pte, 8); + cpu_physical_memory_read_debug(pt_addr + l4 * 8, &pte, 8); pte = le64_to_cpu(pte); if (pte & PG_PRESENT_MASK) { print_pte(mon, env, (l0 << 48) + (l1 << 39) + @@ -196,7 +196,7 @@ static void tlb_info_la57(Monitor *mon, CPUArchState *env) pml5_addr = env->cr[3] & 0x3fffffffff000ULL; for (l0 = 0; l0 < 512; l0++) { - cpu_physical_memory_read(pml5_addr + l0 * 8, &pml5e, 8); + cpu_physical_memory_read_debug(pml5_addr + l0 * 8, &pml5e, 8); pml5e = le64_to_cpu(pml5e); if (pml5e & PG_PRESENT_MASK) { tlb_info_la48(mon, env, l0, pml5e & 0x3fffffffff000ULL); @@ -271,7 +271,7 @@ static void mem_info_32(Monitor *mon, CPUArchState *env) last_prot = 0; start = -1; for(l1 = 0; l1 < 1024; l1++) { - cpu_physical_memory_read(pgd + l1 * 4, &pde, 4); + cpu_physical_memory_read_debug(pgd + l1 * 4, &pde, 4); pde = le32_to_cpu(pde); end = l1 << 22; if (pde & PG_PRESENT_MASK) { @@ -280,7 +280,8 @@ static void mem_info_32(Monitor *mon, CPUArchState *env) mem_print(mon, &start, &last_prot, end, prot); } else { for(l2 = 0; l2 < 1024; l2++) { - cpu_physical_memory_read((pde & ~0xfff) + l2 * 4, &pte, 4); + cpu_physical_memory_read_debug((pde & ~0xfff) + l2 * 4, + &pte, 4); pte = le32_to_cpu(pte); end = (l1 << 22) + (l2 << 12); if (pte & PG_PRESENT_MASK) { @@ -313,13 +314,13 @@ static void mem_info_pae32(Monitor *mon, CPUArchState *env) last_prot = 0; start = -1; for (l1 = 0; l1 < 4; l1++) { - cpu_physical_memory_read(pdp_addr + l1 * 8, &pdpe, 8); + cpu_physical_memory_read_debug(pdp_addr + l1 * 8, &pdpe, 8); pdpe = le64_to_cpu(pdpe); end = l1 << 30; if (pdpe & PG_PRESENT_MASK) { pd_addr = pdpe & 0x3fffffffff000ULL; for (l2 = 0; l2 < 512; l2++) { - cpu_physical_memory_read(pd_addr + l2 * 8, &pde, 8); + cpu_physical_memory_read_debug(pd_addr + l2 * 8, &pde, 8); pde = le64_to_cpu(pde); end = (l1 << 30) + (l2 << 21); if (pde & PG_PRESENT_MASK) { @@ -330,7 +331,8 @@ static void mem_info_pae32(Monitor *mon, CPUArchState *env) } else { pt_addr = pde & 0x3fffffffff000ULL; for (l3 = 0; l3 < 512; l3++) { - cpu_physical_memory_read(pt_addr + l3 * 8, &pte, 8); + cpu_physical_memory_read_debug(pt_addr + l3 * 8, + &pte, 8); pte = le64_to_cpu(pte); end = (l1 << 30) + (l2 << 21) + (l3 << 12); if (pte & PG_PRESENT_MASK) { @@ -369,13 +371,13 @@ static void mem_info_la48(Monitor *mon, CPUArchState *env) last_prot = 0; start = -1; for (l1 = 0; l1 < 512; l1++) { - cpu_physical_memory_read(pml4_addr + l1 * 8, &pml4e, 8); + cpu_physical_memory_read_debug(pml4_addr + l1 * 8, &pml4e, 8); pml4e = le64_to_cpu(pml4e); end = l1 << 39; if (pml4e & PG_PRESENT_MASK) { pdp_addr = pml4e & 0x3fffffffff000ULL; for (l2 = 0; l2 < 512; l2++) { - cpu_physical_memory_read(pdp_addr + l2 * 8, &pdpe, 8); + cpu_physical_memory_read_debug(pdp_addr + l2 * 8, &pdpe, 8); pdpe = le64_to_cpu(pdpe); end = (l1 << 39) + (l2 << 30); if (pdpe & PG_PRESENT_MASK) { @@ -387,7 +389,8 @@ static void mem_info_la48(Monitor *mon, CPUArchState *env) } else { pd_addr = pdpe & 0x3fffffffff000ULL; for (l3 = 0; l3 < 512; l3++) { - cpu_physical_memory_read(pd_addr + l3 * 8, &pde, 8); + cpu_physical_memory_read_debug(pd_addr + l3 * 8, + &pde, 8); pde = le64_to_cpu(pde); end = (l1 << 39) + (l2 << 30) + (l3 << 21); if (pde & PG_PRESENT_MASK) { @@ -399,9 +402,9 @@ static void mem_info_la48(Monitor *mon, CPUArchState *env) } else { pt_addr = pde & 0x3fffffffff000ULL; for (l4 = 0; l4 < 512; l4++) { - cpu_physical_memory_read(pt_addr - + l4 * 8, - &pte, 8); + cpu_physical_memory_read_debug(pt_addr + + l4 * 8, + &pte, 8); pte = le64_to_cpu(pte); end = (l1 << 39) + (l2 << 30) + (l3 << 21) + (l4 << 12); @@ -446,7 +449,7 @@ static void mem_info_la57(Monitor *mon, CPUArchState *env) last_prot = 0; start = -1; for (l0 = 0; l0 < 512; l0++) { - cpu_physical_memory_read(pml5_addr + l0 * 8, &pml5e, 8); + cpu_physical_memory_read_debug(pml5_addr + l0 * 8, &pml5e, 8); pml5e = le64_to_cpu(pml5e); end = l0 << 48; if (!(pml5e & PG_PRESENT_MASK)) { @@ -457,7 +460,7 @@ static void mem_info_la57(Monitor *mon, CPUArchState *env) pml4_addr = pml5e & 0x3fffffffff000ULL; for (l1 = 0; l1 < 512; l1++) { - cpu_physical_memory_read(pml4_addr + l1 * 8, &pml4e, 8); + cpu_physical_memory_read_debug(pml4_addr + l1 * 8, &pml4e, 8); pml4e = le64_to_cpu(pml4e); end = (l0 << 48) + (l1 << 39); if (!(pml4e & PG_PRESENT_MASK)) { @@ -468,7 +471,7 @@ static void mem_info_la57(Monitor *mon, CPUArchState *env) pdp_addr = pml4e & 0x3fffffffff000ULL; for (l2 = 0; l2 < 512; l2++) { - cpu_physical_memory_read(pdp_addr + l2 * 8, &pdpe, 8); + cpu_physical_memory_read_debug(pdp_addr + l2 * 8, &pdpe, 8); pdpe = le64_to_cpu(pdpe); end = (l0 << 48) + (l1 << 39) + (l2 << 30); if (pdpe & PG_PRESENT_MASK) { @@ -487,7 +490,7 @@ static void mem_info_la57(Monitor *mon, CPUArchState *env) pd_addr = pdpe & 0x3fffffffff000ULL; for (l3 = 0; l3 < 512; l3++) { - cpu_physical_memory_read(pd_addr + l3 * 8, &pde, 8); + cpu_physical_memory_read_debug(pd_addr + l3 * 8, &pde, 8); pde = le64_to_cpu(pde); end = (l0 << 48) + (l1 << 39) + (l2 << 30) + (l3 << 21); if (pde & PG_PRESENT_MASK) { @@ -506,7 +509,8 @@ static void mem_info_la57(Monitor *mon, CPUArchState *env) pt_addr = pde & 0x3fffffffff000ULL; for (l4 = 0; l4 < 512; l4++) { - cpu_physical_memory_read(pt_addr + l4 * 8, &pte, 8); + cpu_physical_memory_read_debug(pt_addr + l4 * 8, + &pte, 8); pte = le64_to_cpu(pte); end = (l0 << 48) + (l1 << 39) + (l2 << 30) + (l3 << 21) + (l4 << 12);
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