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-rw-r--r--linux-user/microblaze/cpu_loop.c41
-rw-r--r--linux-user/microblaze/elfload.c24
-rw-r--r--linux-user/microblaze/signal.c71
-rw-r--r--linux-user/microblaze/target_elf.h22
-rw-r--r--linux-user/microblaze/target_ptrace.h20
-rw-r--r--linux-user/microblaze/target_syscall.h44
6 files changed, 75 insertions, 147 deletions
diff --git a/linux-user/microblaze/cpu_loop.c b/linux-user/microblaze/cpu_loop.c
index 87236c1..78506ab 100644
--- a/linux-user/microblaze/cpu_loop.c
+++ b/linux-user/microblaze/cpu_loop.c
@@ -32,7 +32,7 @@ void cpu_loop(CPUMBState *env)
cpu_exec_start(cs);
trapnr = cpu_exec(cs);
cpu_exec_end(cs);
- process_queued_cpu_work(cs);
+ qemu_process_cpu_events(cs);
switch (trapnr) {
case EXCP_INTERRUPT:
@@ -127,39 +127,10 @@ void cpu_loop(CPUMBState *env)
}
}
-void target_cpu_copy_regs(CPUArchState *env, target_pt_regs *regs)
+void init_main_thread(CPUState *cs, struct image_info *info)
{
- env->regs[0] = regs->r0;
- env->regs[1] = regs->r1;
- env->regs[2] = regs->r2;
- env->regs[3] = regs->r3;
- env->regs[4] = regs->r4;
- env->regs[5] = regs->r5;
- env->regs[6] = regs->r6;
- env->regs[7] = regs->r7;
- env->regs[8] = regs->r8;
- env->regs[9] = regs->r9;
- env->regs[10] = regs->r10;
- env->regs[11] = regs->r11;
- env->regs[12] = regs->r12;
- env->regs[13] = regs->r13;
- env->regs[14] = regs->r14;
- env->regs[15] = regs->r15;
- env->regs[16] = regs->r16;
- env->regs[17] = regs->r17;
- env->regs[18] = regs->r18;
- env->regs[19] = regs->r19;
- env->regs[20] = regs->r20;
- env->regs[21] = regs->r21;
- env->regs[22] = regs->r22;
- env->regs[23] = regs->r23;
- env->regs[24] = regs->r24;
- env->regs[25] = regs->r25;
- env->regs[26] = regs->r26;
- env->regs[27] = regs->r27;
- env->regs[28] = regs->r28;
- env->regs[29] = regs->r29;
- env->regs[30] = regs->r30;
- env->regs[31] = regs->r31;
- env->pc = regs->pc;
+ CPUArchState *env = cpu_env(cs);
+
+ env->pc = info->entry;
+ env->regs[1] = info->start_stack;
}
diff --git a/linux-user/microblaze/elfload.c b/linux-user/microblaze/elfload.c
new file mode 100644
index 0000000..7eb1b26
--- /dev/null
+++ b/linux-user/microblaze/elfload.c
@@ -0,0 +1,24 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#include "qemu/osdep.h"
+#include "qemu.h"
+#include "loader.h"
+#include "target_elf.h"
+
+
+const char *get_elf_cpu_model(uint32_t eflags)
+{
+ return "any";
+}
+
+void elf_core_copy_regs(target_elf_gregset_t *r, const CPUMBState *env)
+{
+ for (int i = 0; i < 32; i++) {
+ r->pt.r[i] = tswapal(env->regs[i]);
+ }
+
+ r->pt.pc = tswapal(env->pc);
+ r->pt.msr = tswapal(mb_cpu_read_msr(env));
+ r->pt.ear = tswapal(env->ear);
+ r->pt.esr = tswapal(env->esr);
+}
diff --git a/linux-user/microblaze/signal.c b/linux-user/microblaze/signal.c
index f6d47d7..e874e4d 100644
--- a/linux-user/microblaze/signal.c
+++ b/linux-user/microblaze/signal.c
@@ -21,6 +21,7 @@
#include "user-internals.h"
#include "signal-common.h"
#include "linux-user/trace.h"
+#include "target_ptrace.h"
struct target_sigcontext {
struct target_pt_regs regs; /* needs to be first */
@@ -50,75 +51,17 @@ struct target_rt_sigframe {
static void setup_sigcontext(struct target_sigcontext *sc, CPUMBState *env)
{
- __put_user(env->regs[0], &sc->regs.r0);
- __put_user(env->regs[1], &sc->regs.r1);
- __put_user(env->regs[2], &sc->regs.r2);
- __put_user(env->regs[3], &sc->regs.r3);
- __put_user(env->regs[4], &sc->regs.r4);
- __put_user(env->regs[5], &sc->regs.r5);
- __put_user(env->regs[6], &sc->regs.r6);
- __put_user(env->regs[7], &sc->regs.r7);
- __put_user(env->regs[8], &sc->regs.r8);
- __put_user(env->regs[9], &sc->regs.r9);
- __put_user(env->regs[10], &sc->regs.r10);
- __put_user(env->regs[11], &sc->regs.r11);
- __put_user(env->regs[12], &sc->regs.r12);
- __put_user(env->regs[13], &sc->regs.r13);
- __put_user(env->regs[14], &sc->regs.r14);
- __put_user(env->regs[15], &sc->regs.r15);
- __put_user(env->regs[16], &sc->regs.r16);
- __put_user(env->regs[17], &sc->regs.r17);
- __put_user(env->regs[18], &sc->regs.r18);
- __put_user(env->regs[19], &sc->regs.r19);
- __put_user(env->regs[20], &sc->regs.r20);
- __put_user(env->regs[21], &sc->regs.r21);
- __put_user(env->regs[22], &sc->regs.r22);
- __put_user(env->regs[23], &sc->regs.r23);
- __put_user(env->regs[24], &sc->regs.r24);
- __put_user(env->regs[25], &sc->regs.r25);
- __put_user(env->regs[26], &sc->regs.r26);
- __put_user(env->regs[27], &sc->regs.r27);
- __put_user(env->regs[28], &sc->regs.r28);
- __put_user(env->regs[29], &sc->regs.r29);
- __put_user(env->regs[30], &sc->regs.r30);
- __put_user(env->regs[31], &sc->regs.r31);
+ for (int i = 0; i < 32; ++i) {
+ __put_user(env->regs[i], &sc->regs.r[i]);
+ }
__put_user(env->pc, &sc->regs.pc);
}
static void restore_sigcontext(struct target_sigcontext *sc, CPUMBState *env)
{
- __get_user(env->regs[0], &sc->regs.r0);
- __get_user(env->regs[1], &sc->regs.r1);
- __get_user(env->regs[2], &sc->regs.r2);
- __get_user(env->regs[3], &sc->regs.r3);
- __get_user(env->regs[4], &sc->regs.r4);
- __get_user(env->regs[5], &sc->regs.r5);
- __get_user(env->regs[6], &sc->regs.r6);
- __get_user(env->regs[7], &sc->regs.r7);
- __get_user(env->regs[8], &sc->regs.r8);
- __get_user(env->regs[9], &sc->regs.r9);
- __get_user(env->regs[10], &sc->regs.r10);
- __get_user(env->regs[11], &sc->regs.r11);
- __get_user(env->regs[12], &sc->regs.r12);
- __get_user(env->regs[13], &sc->regs.r13);
- __get_user(env->regs[14], &sc->regs.r14);
- __get_user(env->regs[15], &sc->regs.r15);
- __get_user(env->regs[16], &sc->regs.r16);
- __get_user(env->regs[17], &sc->regs.r17);
- __get_user(env->regs[18], &sc->regs.r18);
- __get_user(env->regs[19], &sc->regs.r19);
- __get_user(env->regs[20], &sc->regs.r20);
- __get_user(env->regs[21], &sc->regs.r21);
- __get_user(env->regs[22], &sc->regs.r22);
- __get_user(env->regs[23], &sc->regs.r23);
- __get_user(env->regs[24], &sc->regs.r24);
- __get_user(env->regs[25], &sc->regs.r25);
- __get_user(env->regs[26], &sc->regs.r26);
- __get_user(env->regs[27], &sc->regs.r27);
- __get_user(env->regs[28], &sc->regs.r28);
- __get_user(env->regs[29], &sc->regs.r29);
- __get_user(env->regs[30], &sc->regs.r30);
- __get_user(env->regs[31], &sc->regs.r31);
+ for (int i = 0; i < 32; ++i) {
+ __get_user(env->regs[i], &sc->regs.r[i]);
+ }
__get_user(env->pc, &sc->regs.pc);
}
diff --git a/linux-user/microblaze/target_elf.h b/linux-user/microblaze/target_elf.h
index 8a8f1de..7b3ef70 100644
--- a/linux-user/microblaze/target_elf.h
+++ b/linux-user/microblaze/target_elf.h
@@ -7,8 +7,22 @@
#ifndef MICROBLAZE_TARGET_ELF_H
#define MICROBLAZE_TARGET_ELF_H
-static inline const char *cpu_get_model(uint32_t eflags)
-{
- return "any";
-}
+
+#include "target_ptrace.h"
+
+#define ELF_CLASS ELFCLASS32
+#define ELF_MACHINE EM_MICROBLAZE
+
+#define elf_check_machine(x) ((x) == EM_MICROBLAZE || (x) == EM_MICROBLAZE_OLD)
+
+#define HAVE_ELF_CORE_DUMP 1
+
+/*
+ * See linux kernel: arch/microblaze/include/asm/elf.h, where
+ * elf_gregset_t is mapped to struct pt_regs via sizeof.
+ */
+typedef struct target_elf_gregset_t {
+ struct target_pt_regs pt;
+} target_elf_gregset_t;
+
#endif
diff --git a/linux-user/microblaze/target_ptrace.h b/linux-user/microblaze/target_ptrace.h
new file mode 100644
index 0000000..ead913e
--- /dev/null
+++ b/linux-user/microblaze/target_ptrace.h
@@ -0,0 +1,20 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#ifndef MICROBLAZE_TARGET_PTRACE_H
+#define MICROBLAZE_TARGET_PTRACE_H
+
+/* We use microblaze_reg_t to keep things similar to the kernel sources. */
+typedef uint32_t microblaze_reg_t;
+
+struct target_pt_regs {
+ /* Note the kernel enumerates all 32 registers. */
+ microblaze_reg_t r[32];
+ microblaze_reg_t pc;
+ microblaze_reg_t msr;
+ microblaze_reg_t ear;
+ microblaze_reg_t esr;
+ microblaze_reg_t fsr;
+ uint32_t kernel_mode;
+};
+
+#endif /* MICROBLAZE_TARGET_PTRACE_H */
diff --git a/linux-user/microblaze/target_syscall.h b/linux-user/microblaze/target_syscall.h
index 43362a1..66f5a9e 100644
--- a/linux-user/microblaze/target_syscall.h
+++ b/linux-user/microblaze/target_syscall.h
@@ -4,50 +4,6 @@
#define UNAME_MACHINE "microblaze"
#define UNAME_MINIMUM_RELEASE "2.6.32"
-/* We use microblaze_reg_t to keep things similar to the kernel sources. */
-typedef uint32_t microblaze_reg_t;
-
-struct target_pt_regs {
- microblaze_reg_t r0;
- microblaze_reg_t r1;
- microblaze_reg_t r2;
- microblaze_reg_t r3;
- microblaze_reg_t r4;
- microblaze_reg_t r5;
- microblaze_reg_t r6;
- microblaze_reg_t r7;
- microblaze_reg_t r8;
- microblaze_reg_t r9;
- microblaze_reg_t r10;
- microblaze_reg_t r11;
- microblaze_reg_t r12;
- microblaze_reg_t r13;
- microblaze_reg_t r14;
- microblaze_reg_t r15;
- microblaze_reg_t r16;
- microblaze_reg_t r17;
- microblaze_reg_t r18;
- microblaze_reg_t r19;
- microblaze_reg_t r20;
- microblaze_reg_t r21;
- microblaze_reg_t r22;
- microblaze_reg_t r23;
- microblaze_reg_t r24;
- microblaze_reg_t r25;
- microblaze_reg_t r26;
- microblaze_reg_t r27;
- microblaze_reg_t r28;
- microblaze_reg_t r29;
- microblaze_reg_t r30;
- microblaze_reg_t r31;
- microblaze_reg_t pc;
- microblaze_reg_t msr;
- microblaze_reg_t ear;
- microblaze_reg_t esr;
- microblaze_reg_t fsr;
- uint32_t kernel_mode;
-};
-
#define TARGET_CLONE_BACKWARDS
#define TARGET_MCL_CURRENT 1
#define TARGET_MCL_FUTURE 2
generated by cgit v1.1 at 2025-10-15 10:01:47 +0000