Merge tag 'pull-lu-20250830' of https://gitlab.com/rth7680/qemu into staging

linux-user: Finish elfload.c split
linux-user: Drop deprecated -p option
linux-user: Tidy print_socket_protocol
hw/core: Dump cpu_reset in the reset.exit phase
hw/core: Use qemu_log_trylock/unlock in cpu_common_reset_exit

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# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [ultimate]

* tag 'pull-lu-20250830' of https://gitlab.com/rth7680/qemu: (91 commits)
  linux-user: Remove target_pt_regs from target_syscall.h
  linux-user/sparc: Create target_ptrace.h
  linux-user: Remove a.out declarations from elfload.c
  linux-user: Move arch_parse_elf_property to aarch64/elfload.c
  linux-user: Remove MAP_DENYWRITE from elfload.c
  linux-user: Remove ELIBBAD from elfload.c
  linux-user: Rename elf_check_arch
  linux-user: Standardize on ELF_MACHINE not ELF_ARCH
  linux-user: Move elf parameters to hexagon/target_elf.h
  linux-user: Move elf parameters to xtensa/target_elf.h
  linux-user: Move elf parameters to hppa/target_elf.h
  linux-user: Move elf parameters to riscv/target_elf.h
  linux-user: Move elf parameters to s390x/target_elf.h
  linux-user: Move elf parameters to alpha/target_elf.h
  linux-user: Move elf parameters to m68k/target_elf.h
  linux-user: Move elf parameters to sh4/target_elf.h
  linux-user: Move elf parameters to openrisc/target_elf.h
  linux-user: Move elf parameters to microblaze/target_elf.h
  linux-user: Move elf parameters to {mips,mips64}/target_elf.h
  linux-user: Move elf parameters to loongarch64/target_elf.h
  ...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

1 files changed, 31 insertions, 0 deletions

diff --git a/linux-user/hppa/elfload.c b/linux-user/hppa/elfload.c
index 9dd3fe092a..018034f244 100644
--- a/linux-user/hppa/elfload.c
+++ b/linux-user/hppa/elfload.c
@@ -3,6 +3,7 @@
 #include "qemu/osdep.h"
 #include "qemu.h"
 #include "loader.h"
+#include "target_elf.h"
 
 
 const char *get_elf_cpu_model(uint32_t eflags)
@@ -14,3 +15,33 @@ const char *get_elf_platform(CPUState *cs)
 {
     return "PARISC";
 }
+
+bool init_guest_commpage(void)
+{
+    /* If reserved_va, then we have already mapped 0 page on the host. */
+    if (!reserved_va) {
+        void *want, *addr;
+
+        want = g2h_untagged(LO_COMMPAGE);
+        addr = mmap(want, TARGET_PAGE_SIZE, PROT_NONE,
+                    MAP_ANONYMOUS | MAP_PRIVATE | MAP_FIXED_NOREPLACE, -1, 0);
+        if (addr == MAP_FAILED) {
+            perror("Allocating guest commpage");
+            exit(EXIT_FAILURE);
+        }
+        if (addr != want) {
+            return false;
+        }
+    }
+
+    /*
+     * On Linux, page zero is normally marked execute only + gateway.
+     * Normal read or write is supposed to fail (thus PROT_NONE above),
+     * but specific offsets have kernel code mapped to raise permissions
+     * and implement syscalls.  Here, simply mark the page executable.
+     * Special case the entry points during translation (see do_page_zero).
+     */
+    page_set_flags(LO_COMMPAGE, LO_COMMPAGE | ~TARGET_PAGE_MASK,
+                   PAGE_EXEC | PAGE_VALID);
+    return true;
+}