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-rw-r--r--target-i386/Makefile.objs2
-rw-r--r--target-i386/monitor.c494
2 files changed, 495 insertions, 1 deletions
diff --git a/target-i386/Makefile.objs b/target-i386/Makefile.objs
index 7a1df2c983..3da413e8bd 100644
--- a/target-i386/Makefile.objs
+++ b/target-i386/Makefile.objs
@@ -2,6 +2,6 @@ obj-y += translate.o helper.o cpu.o
obj-y += excp_helper.o fpu_helper.o cc_helper.o int_helper.o svm_helper.o
obj-y += smm_helper.o misc_helper.o mem_helper.o seg_helper.o
obj-y += gdbstub.o
-obj-$(CONFIG_SOFTMMU) += machine.o arch_memory_mapping.o arch_dump.o
+obj-$(CONFIG_SOFTMMU) += machine.o arch_memory_mapping.o arch_dump.o monitor.o
obj-$(CONFIG_KVM) += kvm.o
obj-$(call lnot,$(CONFIG_KVM)) += kvm-stub.o
diff --git a/target-i386/monitor.c b/target-i386/monitor.c
new file mode 100644
index 0000000000..6ac86360e9
--- /dev/null
+++ b/target-i386/monitor.c
@@ -0,0 +1,494 @@
+/*
+ * QEMU monitor
+ *
+ * Copyright (c) 2003-2004 Fabrice Bellard
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+#include "cpu.h"
+#include "monitor/monitor.h"
+#include "monitor/hmp-target.h"
+#include "hmp.h"
+
+
+static void print_pte(Monitor *mon, hwaddr addr,
+ hwaddr pte,
+ hwaddr mask)
+{
+#ifdef TARGET_X86_64
+ if (addr & (1ULL << 47)) {
+ addr |= -1LL << 48;
+ }
+#endif
+ monitor_printf(mon, TARGET_FMT_plx ": " TARGET_FMT_plx
+ " %c%c%c%c%c%c%c%c%c\n",
+ addr,
+ pte & mask,
+ pte & PG_NX_MASK ? 'X' : '-',
+ pte & PG_GLOBAL_MASK ? 'G' : '-',
+ pte & PG_PSE_MASK ? 'P' : '-',
+ pte & PG_DIRTY_MASK ? 'D' : '-',
+ pte & PG_ACCESSED_MASK ? 'A' : '-',
+ pte & PG_PCD_MASK ? 'C' : '-',
+ pte & PG_PWT_MASK ? 'T' : '-',
+ pte & PG_USER_MASK ? 'U' : '-',
+ pte & PG_RW_MASK ? 'W' : '-');
+}
+
+static void tlb_info_32(Monitor *mon, CPUArchState *env)
+{
+ unsigned int l1, l2;
+ uint32_t pgd, pde, pte;
+
+ pgd = env->cr[3] & ~0xfff;
+ for(l1 = 0; l1 < 1024; l1++) {
+ cpu_physical_memory_read(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)) {
+ /* 4M pages */
+ print_pte(mon, (l1 << 22), pde, ~((1 << 21) - 1));
+ } else {
+ for(l2 = 0; l2 < 1024; l2++) {
+ cpu_physical_memory_read((pde & ~0xfff) + l2 * 4, &pte, 4);
+ pte = le32_to_cpu(pte);
+ if (pte & PG_PRESENT_MASK) {
+ print_pte(mon, (l1 << 22) + (l2 << 12),
+ pte & ~PG_PSE_MASK,
+ ~0xfff);
+ }
+ }
+ }
+ }
+ }
+}
+
+static void tlb_info_pae32(Monitor *mon, CPUArchState *env)
+{
+ unsigned int l1, l2, l3;
+ uint64_t pdpe, pde, pte;
+ uint64_t pdp_addr, pd_addr, pt_addr;
+
+ pdp_addr = env->cr[3] & ~0x1f;
+ for (l1 = 0; l1 < 4; l1++) {
+ cpu_physical_memory_read(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);
+ pde = le64_to_cpu(pde);
+ if (pde & PG_PRESENT_MASK) {
+ if (pde & PG_PSE_MASK) {
+ /* 2M pages with PAE, CR4.PSE is ignored */
+ print_pte(mon, (l1 << 30 ) + (l2 << 21), pde,
+ ~((hwaddr)(1 << 20) - 1));
+ } else {
+ pt_addr = pde & 0x3fffffffff000ULL;
+ for (l3 = 0; l3 < 512; l3++) {
+ cpu_physical_memory_read(pt_addr + l3 * 8, &pte, 8);
+ pte = le64_to_cpu(pte);
+ if (pte & PG_PRESENT_MASK) {
+ print_pte(mon, (l1 << 30 ) + (l2 << 21)
+ + (l3 << 12),
+ pte & ~PG_PSE_MASK,
+ ~(hwaddr)0xfff);
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+}
+
+#ifdef TARGET_X86_64
+static void tlb_info_64(Monitor *mon, CPUArchState *env)
+{
+ uint64_t l1, l2, l3, l4;
+ uint64_t pml4e, pdpe, pde, pte;
+ uint64_t pml4_addr, pdp_addr, pd_addr, pt_addr;
+
+ pml4_addr = env->cr[3] & 0x3fffffffff000ULL;
+ for (l1 = 0; l1 < 512; l1++) {
+ cpu_physical_memory_read(pml4_addr + l1 * 8, &pml4e, 8);
+ pml4e = le64_to_cpu(pml4e);
+ 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);
+ pdpe = le64_to_cpu(pdpe);
+ if (pdpe & PG_PRESENT_MASK) {
+ if (pdpe & PG_PSE_MASK) {
+ /* 1G pages, CR4.PSE is ignored */
+ print_pte(mon, (l1 << 39) + (l2 << 30), pdpe,
+ 0x3ffffc0000000ULL);
+ } else {
+ pd_addr = pdpe & 0x3fffffffff000ULL;
+ for (l3 = 0; l3 < 512; l3++) {
+ cpu_physical_memory_read(pd_addr + l3 * 8, &pde, 8);
+ pde = le64_to_cpu(pde);
+ if (pde & PG_PRESENT_MASK) {
+ if (pde & PG_PSE_MASK) {
+ /* 2M pages, CR4.PSE is ignored */
+ print_pte(mon, (l1 << 39) + (l2 << 30) +
+ (l3 << 21), pde,
+ 0x3ffffffe00000ULL);
+ } else {
+ pt_addr = pde & 0x3fffffffff000ULL;
+ for (l4 = 0; l4 < 512; l4++) {
+ cpu_physical_memory_read(pt_addr
+ + l4 * 8,
+ &pte, 8);
+ pte = le64_to_cpu(pte);
+ if (pte & PG_PRESENT_MASK) {
+ print_pte(mon, (l1 << 39) +
+ (l2 << 30) +
+ (l3 << 21) + (l4 << 12),
+ pte & ~PG_PSE_MASK,
+ 0x3fffffffff000ULL);
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+}
+#endif /* TARGET_X86_64 */
+
+void hmp_info_tlb(Monitor *mon, const QDict *qdict)
+{
+ CPUArchState *env;
+
+ env = mon_get_cpu_env();
+
+ if (!(env->cr[0] & CR0_PG_MASK)) {
+ monitor_printf(mon, "PG disabled\n");
+ return;
+ }
+ if (env->cr[4] & CR4_PAE_MASK) {
+#ifdef TARGET_X86_64
+ if (env->hflags & HF_LMA_MASK) {
+ tlb_info_64(mon, env);
+ } else
+#endif
+ {
+ tlb_info_pae32(mon, env);
+ }
+ } else {
+ tlb_info_32(mon, env);
+ }
+}
+
+static void mem_print(Monitor *mon, hwaddr *pstart,
+ int *plast_prot,
+ hwaddr end, int prot)
+{
+ int prot1;
+ prot1 = *plast_prot;
+ if (prot != prot1) {
+ if (*pstart != -1) {
+ monitor_printf(mon, TARGET_FMT_plx "-" TARGET_FMT_plx " "
+ TARGET_FMT_plx " %c%c%c\n",
+ *pstart, end, end - *pstart,
+ prot1 & PG_USER_MASK ? 'u' : '-',
+ 'r',
+ prot1 & PG_RW_MASK ? 'w' : '-');
+ }
+ if (prot != 0)
+ *pstart = end;
+ else
+ *pstart = -1;
+ *plast_prot = prot;
+ }
+}
+
+static void mem_info_32(Monitor *mon, CPUArchState *env)
+{
+ unsigned int l1, l2;
+ int prot, last_prot;
+ uint32_t pgd, pde, pte;
+ hwaddr start, end;
+
+ pgd = env->cr[3] & ~0xfff;
+ last_prot = 0;
+ start = -1;
+ for(l1 = 0; l1 < 1024; l1++) {
+ cpu_physical_memory_read(pgd + l1 * 4, &pde, 4);
+ pde = le32_to_cpu(pde);
+ end = l1 << 22;
+ if (pde & PG_PRESENT_MASK) {
+ if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
+ prot = pde & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
+ 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);
+ pte = le32_to_cpu(pte);
+ end = (l1 << 22) + (l2 << 12);
+ if (pte & PG_PRESENT_MASK) {
+ prot = pte & pde &
+ (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
+ } else {
+ prot = 0;
+ }
+ mem_print(mon, &start, &last_prot, end, prot);
+ }
+ }
+ } else {
+ prot = 0;
+ mem_print(mon, &start, &last_prot, end, prot);
+ }
+ }
+ /* Flush last range */
+ mem_print(mon, &start, &last_prot, (hwaddr)1 << 32, 0);
+}
+
+static void mem_info_pae32(Monitor *mon, CPUArchState *env)
+{
+ unsigned int l1, l2, l3;
+ int prot, last_prot;
+ uint64_t pdpe, pde, pte;
+ uint64_t pdp_addr, pd_addr, pt_addr;
+ hwaddr start, end;
+
+ pdp_addr = env->cr[3] & ~0x1f;
+ last_prot = 0;
+ start = -1;
+ for (l1 = 0; l1 < 4; l1++) {
+ cpu_physical_memory_read(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);
+ pde = le64_to_cpu(pde);
+ end = (l1 << 30) + (l2 << 21);
+ if (pde & PG_PRESENT_MASK) {
+ if (pde & PG_PSE_MASK) {
+ prot = pde & (PG_USER_MASK | PG_RW_MASK |
+ PG_PRESENT_MASK);
+ mem_print(mon, &start, &last_prot, end, prot);
+ } else {
+ pt_addr = pde & 0x3fffffffff000ULL;
+ for (l3 = 0; l3 < 512; l3++) {
+ cpu_physical_memory_read(pt_addr + l3 * 8, &pte, 8);
+ pte = le64_to_cpu(pte);
+ end = (l1 << 30) + (l2 << 21) + (l3 << 12);
+ if (pte & PG_PRESENT_MASK) {
+ prot = pte & pde & (PG_USER_MASK | PG_RW_MASK |
+ PG_PRESENT_MASK);
+ } else {
+ prot = 0;
+ }
+ mem_print(mon, &start, &last_prot, end, prot);
+ }
+ }
+ } else {
+ prot = 0;
+ mem_print(mon, &start, &last_prot, end, prot);
+ }
+ }
+ } else {
+ prot = 0;
+ mem_print(mon, &start, &last_prot, end, prot);
+ }
+ }
+ /* Flush last range */
+ mem_print(mon, &start, &last_prot, (hwaddr)1 << 32, 0);
+}
+
+
+#ifdef TARGET_X86_64
+static void mem_info_64(Monitor *mon, CPUArchState *env)
+{
+ int prot, last_prot;
+ uint64_t l1, l2, l3, l4;
+ uint64_t pml4e, pdpe, pde, pte;
+ uint64_t pml4_addr, pdp_addr, pd_addr, pt_addr, start, end;
+
+ pml4_addr = env->cr[3] & 0x3fffffffff000ULL;
+ last_prot = 0;
+ start = -1;
+ for (l1 = 0; l1 < 512; l1++) {
+ cpu_physical_memory_read(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);
+ pdpe = le64_to_cpu(pdpe);
+ end = (l1 << 39) + (l2 << 30);
+ if (pdpe & PG_PRESENT_MASK) {
+ if (pdpe & PG_PSE_MASK) {
+ prot = pdpe & (PG_USER_MASK | PG_RW_MASK |
+ PG_PRESENT_MASK);
+ prot &= pml4e;
+ mem_print(mon, &start, &last_prot, end, prot);
+ } else {
+ pd_addr = pdpe & 0x3fffffffff000ULL;
+ for (l3 = 0; l3 < 512; l3++) {
+ cpu_physical_memory_read(pd_addr + l3 * 8, &pde, 8);
+ pde = le64_to_cpu(pde);
+ end = (l1 << 39) + (l2 << 30) + (l3 << 21);
+ if (pde & PG_PRESENT_MASK) {
+ if (pde & PG_PSE_MASK) {
+ prot = pde & (PG_USER_MASK | PG_RW_MASK |
+ PG_PRESENT_MASK);
+ prot &= pml4e & pdpe;
+ mem_print(mon, &start, &last_prot, end, prot);
+ } else {
+ pt_addr = pde & 0x3fffffffff000ULL;
+ for (l4 = 0; l4 < 512; l4++) {
+ cpu_physical_memory_read(pt_addr
+ + l4 * 8,
+ &pte, 8);
+ pte = le64_to_cpu(pte);
+ end = (l1 << 39) + (l2 << 30) +
+ (l3 << 21) + (l4 << 12);
+ if (pte & PG_PRESENT_MASK) {
+ prot = pte & (PG_USER_MASK | PG_RW_MASK |
+ PG_PRESENT_MASK);
+ prot &= pml4e & pdpe & pde;
+ } else {
+ prot = 0;
+ }
+ mem_print(mon, &start, &last_prot, end, prot);
+ }
+ }
+ } else {
+ prot = 0;
+ mem_print(mon, &start, &last_prot, end, prot);
+ }
+ }
+ }
+ } else {
+ prot = 0;
+ mem_print(mon, &start, &last_prot, end, prot);
+ }
+ }
+ } else {
+ prot = 0;
+ mem_print(mon, &start, &last_prot, end, prot);
+ }
+ }
+ /* Flush last range */
+ mem_print(mon, &start, &last_prot, (hwaddr)1 << 48, 0);
+}
+#endif /* TARGET_X86_64 */
+
+void hmp_info_mem(Monitor *mon, const QDict *qdict)
+{
+ CPUArchState *env;
+
+ env = mon_get_cpu_env();
+
+ if (!(env->cr[0] & CR0_PG_MASK)) {
+ monitor_printf(mon, "PG disabled\n");
+ return;
+ }
+ if (env->cr[4] & CR4_PAE_MASK) {
+#ifdef TARGET_X86_64
+ if (env->hflags & HF_LMA_MASK) {
+ mem_info_64(mon, env);
+ } else
+#endif
+ {
+ mem_info_pae32(mon, env);
+ }
+ } else {
+ mem_info_32(mon, env);
+ }
+}
+
+void hmp_mce(Monitor *mon, const QDict *qdict)
+{
+ X86CPU *cpu;
+ CPUState *cs;
+ int cpu_index = qdict_get_int(qdict, "cpu_index");
+ int bank = qdict_get_int(qdict, "bank");
+ uint64_t status = qdict_get_int(qdict, "status");
+ uint64_t mcg_status = qdict_get_int(qdict, "mcg_status");
+ uint64_t addr = qdict_get_int(qdict, "addr");
+ uint64_t misc = qdict_get_int(qdict, "misc");
+ int flags = MCE_INJECT_UNCOND_AO;
+
+ if (qdict_get_try_bool(qdict, "broadcast", false)) {
+ flags |= MCE_INJECT_BROADCAST;
+ }
+ cs = qemu_get_cpu(cpu_index);
+ if (cs != NULL) {
+ cpu = X86_CPU(cs);
+ cpu_x86_inject_mce(mon, cpu, bank, status, mcg_status, addr, misc,
+ flags);
+ }
+}
+
+static target_long monitor_get_pc(const struct MonitorDef *md, int val)
+{
+ CPUArchState *env = mon_get_cpu_env();
+ return env->eip + env->segs[R_CS].base;
+}
+
+const MonitorDef monitor_defs[] = {
+#define SEG(name, seg) \
+ { name, offsetof(CPUX86State, segs[seg].selector), NULL, MD_I32 },\
+ { name ".base", offsetof(CPUX86State, segs[seg].base) },\
+ { name ".limit", offsetof(CPUX86State, segs[seg].limit), NULL, MD_I32 },
+
+ { "eax", offsetof(CPUX86State, regs[0]) },
+ { "ecx", offsetof(CPUX86State, regs[1]) },
+ { "edx", offsetof(CPUX86State, regs[2]) },
+ { "ebx", offsetof(CPUX86State, regs[3]) },
+ { "esp|sp", offsetof(CPUX86State, regs[4]) },
+ { "ebp|fp", offsetof(CPUX86State, regs[5]) },
+ { "esi", offsetof(CPUX86State, regs[6]) },
+ { "edi", offsetof(CPUX86State, regs[7]) },
+#ifdef TARGET_X86_64
+ { "r8", offsetof(CPUX86State, regs[8]) },
+ { "r9", offsetof(CPUX86State, regs[9]) },
+ { "r10", offsetof(CPUX86State, regs[10]) },
+ { "r11", offsetof(CPUX86State, regs[11]) },
+ { "r12", offsetof(CPUX86State, regs[12]) },
+ { "r13", offsetof(CPUX86State, regs[13]) },
+ { "r14", offsetof(CPUX86State, regs[14]) },
+ { "r15", offsetof(CPUX86State, regs[15]) },
+#endif
+ { "eflags", offsetof(CPUX86State, eflags) },
+ { "eip", offsetof(CPUX86State, eip) },
+ SEG("cs", R_CS)
+ SEG("ds", R_DS)
+ SEG("es", R_ES)
+ SEG("ss", R_SS)
+ SEG("fs", R_FS)
+ SEG("gs", R_GS)
+ { "pc", 0, monitor_get_pc, },
+ { NULL },
+};
+
+const MonitorDef *target_monitor_defs(void)
+{
+ return monitor_defs;
+}
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-14 17:44:35 +0000