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-rw-r--r--arch/s390/kernel/asm-offsets.c91
-rw-r--r--arch/s390/kernel/base.S2
-rw-r--r--arch/s390/kernel/entry.S1
-rw-r--r--arch/s390/kernel/entry64.S2
-rw-r--r--arch/s390/kernel/ftrace.c2
-rw-r--r--arch/s390/kernel/head.S1
-rw-r--r--arch/s390/kernel/ipl.c6
-rw-r--r--arch/s390/kernel/reipl.S2
-rw-r--r--arch/s390/kernel/reipl64.S2
-rw-r--r--arch/s390/kernel/setup.c7
-rw-r--r--arch/s390/kernel/smp.c3
-rw-r--r--arch/s390/kernel/switch_cpu.S1
-rw-r--r--arch/s390/kernel/switch_cpu64.S1
-rw-r--r--arch/s390/kernel/vdso.c1
14 files changed, 95 insertions, 27 deletions
diff --git a/arch/s390/kernel/asm-offsets.c b/arch/s390/kernel/asm-offsets.c
index a5850a0cfe8..08db736dded 100644
--- a/arch/s390/kernel/asm-offsets.c
+++ b/arch/s390/kernel/asm-offsets.c
@@ -4,8 +4,10 @@
* and format the required data.
*/
-#include <linux/sched.h>
+#define ASM_OFFSETS_C
+
#include <linux/kbuild.h>
+#include <linux/sched.h>
#include <asm/vdso.h>
#include <asm/sigp.h>
@@ -22,8 +24,7 @@ int main(void)
DEFINE(__THREAD_info, offsetof(struct task_struct, stack));
DEFINE(__THREAD_ksp, offsetof(struct task_struct, thread.ksp));
DEFINE(__THREAD_per, offsetof(struct task_struct, thread.per_info));
- DEFINE(__THREAD_mm_segment,
- offsetof(struct task_struct, thread.mm_segment));
+ DEFINE(__THREAD_mm_segment, offsetof(struct task_struct, thread.mm_segment));
BLANK();
DEFINE(__TASK_pid, offsetof(struct task_struct, pid));
BLANK();
@@ -60,18 +61,94 @@ int main(void)
DEFINE(__VDSO_WTOM_NSEC, offsetof(struct vdso_data, wtom_clock_nsec));
DEFINE(__VDSO_TIMEZONE, offsetof(struct vdso_data, tz_minuteswest));
DEFINE(__VDSO_ECTG_OK, offsetof(struct vdso_data, ectg_available));
- DEFINE(__VDSO_ECTG_BASE,
- offsetof(struct vdso_per_cpu_data, ectg_timer_base));
- DEFINE(__VDSO_ECTG_USER,
- offsetof(struct vdso_per_cpu_data, ectg_user_time));
+ DEFINE(__VDSO_ECTG_BASE, offsetof(struct vdso_per_cpu_data, ectg_timer_base));
+ DEFINE(__VDSO_ECTG_USER, offsetof(struct vdso_per_cpu_data, ectg_user_time));
/* constants used by the vdso */
DEFINE(CLOCK_REALTIME, CLOCK_REALTIME);
DEFINE(CLOCK_MONOTONIC, CLOCK_MONOTONIC);
DEFINE(CLOCK_REALTIME_RES, MONOTONIC_RES_NSEC);
+ BLANK();
/* constants for SIGP */
DEFINE(__SIGP_STOP, sigp_stop);
DEFINE(__SIGP_RESTART, sigp_restart);
DEFINE(__SIGP_SENSE, sigp_sense);
DEFINE(__SIGP_INITIAL_CPU_RESET, sigp_initial_cpu_reset);
+ BLANK();
+ /* lowcore offsets */
+ DEFINE(__LC_EXT_PARAMS, offsetof(struct _lowcore, ext_params));
+ DEFINE(__LC_CPU_ADDRESS, offsetof(struct _lowcore, cpu_addr));
+ DEFINE(__LC_EXT_INT_CODE, offsetof(struct _lowcore, ext_int_code));
+ DEFINE(__LC_SVC_ILC, offsetof(struct _lowcore, svc_ilc));
+ DEFINE(__LC_SVC_INT_CODE, offsetof(struct _lowcore, svc_code));
+ DEFINE(__LC_PGM_ILC, offsetof(struct _lowcore, pgm_ilc));
+ DEFINE(__LC_PGM_INT_CODE, offsetof(struct _lowcore, pgm_code));
+ DEFINE(__LC_PER_ATMID, offsetof(struct _lowcore, per_perc_atmid));
+ DEFINE(__LC_PER_ADDRESS, offsetof(struct _lowcore, per_address));
+ DEFINE(__LC_PER_ACCESS_ID, offsetof(struct _lowcore, per_access_id));
+ DEFINE(__LC_AR_MODE_ID, offsetof(struct _lowcore, ar_access_id));
+ DEFINE(__LC_SUBCHANNEL_ID, offsetof(struct _lowcore, subchannel_id));
+ DEFINE(__LC_SUBCHANNEL_NR, offsetof(struct _lowcore, subchannel_nr));
+ DEFINE(__LC_IO_INT_PARM, offsetof(struct _lowcore, io_int_parm));
+ DEFINE(__LC_IO_INT_WORD, offsetof(struct _lowcore, io_int_word));
+ DEFINE(__LC_STFL_FAC_LIST, offsetof(struct _lowcore, stfl_fac_list));
+ DEFINE(__LC_MCCK_CODE, offsetof(struct _lowcore, mcck_interruption_code));
+ DEFINE(__LC_DUMP_REIPL, offsetof(struct _lowcore, ipib));
+ BLANK();
+ DEFINE(__LC_RST_NEW_PSW, offsetof(struct _lowcore, restart_psw));
+ DEFINE(__LC_RST_OLD_PSW, offsetof(struct _lowcore, restart_old_psw));
+ DEFINE(__LC_EXT_OLD_PSW, offsetof(struct _lowcore, external_old_psw));
+ DEFINE(__LC_SVC_OLD_PSW, offsetof(struct _lowcore, svc_old_psw));
+ DEFINE(__LC_PGM_OLD_PSW, offsetof(struct _lowcore, program_old_psw));
+ DEFINE(__LC_MCK_OLD_PSW, offsetof(struct _lowcore, mcck_old_psw));
+ DEFINE(__LC_IO_OLD_PSW, offsetof(struct _lowcore, io_old_psw));
+ DEFINE(__LC_EXT_NEW_PSW, offsetof(struct _lowcore, external_new_psw));
+ DEFINE(__LC_SVC_NEW_PSW, offsetof(struct _lowcore, svc_new_psw));
+ DEFINE(__LC_PGM_NEW_PSW, offsetof(struct _lowcore, program_new_psw));
+ DEFINE(__LC_MCK_NEW_PSW, offsetof(struct _lowcore, mcck_new_psw));
+ DEFINE(__LC_IO_NEW_PSW, offsetof(struct _lowcore, io_new_psw));
+ DEFINE(__LC_SAVE_AREA, offsetof(struct _lowcore, save_area));
+ DEFINE(__LC_RETURN_PSW, offsetof(struct _lowcore, return_psw));
+ DEFINE(__LC_RETURN_MCCK_PSW, offsetof(struct _lowcore, return_mcck_psw));
+ DEFINE(__LC_SYNC_ENTER_TIMER, offsetof(struct _lowcore, sync_enter_timer));
+ DEFINE(__LC_ASYNC_ENTER_TIMER, offsetof(struct _lowcore, async_enter_timer));
+ DEFINE(__LC_EXIT_TIMER, offsetof(struct _lowcore, exit_timer));
+ DEFINE(__LC_USER_TIMER, offsetof(struct _lowcore, user_timer));
+ DEFINE(__LC_SYSTEM_TIMER, offsetof(struct _lowcore, system_timer));
+ DEFINE(__LC_STEAL_TIMER, offsetof(struct _lowcore, steal_timer));
+ DEFINE(__LC_LAST_UPDATE_TIMER, offsetof(struct _lowcore, last_update_timer));
+ DEFINE(__LC_LAST_UPDATE_CLOCK, offsetof(struct _lowcore, last_update_clock));
+ DEFINE(__LC_CURRENT, offsetof(struct _lowcore, current_task));
+ DEFINE(__LC_THREAD_INFO, offsetof(struct _lowcore, thread_info));
+ DEFINE(__LC_KERNEL_STACK, offsetof(struct _lowcore, kernel_stack));
+ DEFINE(__LC_ASYNC_STACK, offsetof(struct _lowcore, async_stack));
+ DEFINE(__LC_PANIC_STACK, offsetof(struct _lowcore, panic_stack));
+ DEFINE(__LC_KERNEL_ASCE, offsetof(struct _lowcore, kernel_asce));
+ DEFINE(__LC_USER_ASCE, offsetof(struct _lowcore, user_asce));
+ DEFINE(__LC_USER_EXEC_ASCE, offsetof(struct _lowcore, user_exec_asce));
+ DEFINE(__LC_CPUID, offsetof(struct _lowcore, cpu_id));
+ DEFINE(__LC_INT_CLOCK, offsetof(struct _lowcore, int_clock));
+ DEFINE(__LC_MACHINE_FLAGS, offsetof(struct _lowcore, machine_flags));
+ DEFINE(__LC_FTRACE_FUNC, offsetof(struct _lowcore, ftrace_func));
+ DEFINE(__LC_IRB, offsetof(struct _lowcore, irb));
+ DEFINE(__LC_CPU_TIMER_SAVE_AREA, offsetof(struct _lowcore, cpu_timer_save_area));
+ DEFINE(__LC_CLOCK_COMP_SAVE_AREA, offsetof(struct _lowcore, clock_comp_save_area));
+ DEFINE(__LC_PSW_SAVE_AREA, offsetof(struct _lowcore, psw_save_area));
+ DEFINE(__LC_PREFIX_SAVE_AREA, offsetof(struct _lowcore, prefixreg_save_area));
+ DEFINE(__LC_AREGS_SAVE_AREA, offsetof(struct _lowcore, access_regs_save_area));
+ DEFINE(__LC_FPREGS_SAVE_AREA, offsetof(struct _lowcore, floating_pt_save_area));
+ DEFINE(__LC_GPREGS_SAVE_AREA, offsetof(struct _lowcore, gpregs_save_area));
+ DEFINE(__LC_CREGS_SAVE_AREA, offsetof(struct _lowcore, cregs_save_area));
+#ifdef CONFIG_32BIT
+ DEFINE(__LC_PFAULT_INTPARM, offsetof(struct _lowcore, ext_params));
+ DEFINE(SAVE_AREA_BASE, offsetof(struct _lowcore, extended_save_area_addr));
+#else /* CONFIG_32BIT */
+ DEFINE(__LC_PFAULT_INTPARM, offsetof(struct _lowcore, ext_params2));
+ DEFINE(__LC_EXT_PARAMS2, offsetof(struct _lowcore, ext_params2));
+ DEFINE(SAVE_AREA_BASE, offsetof(struct _lowcore, floating_pt_save_area));
+ DEFINE(__LC_PASTE, offsetof(struct _lowcore, paste));
+ DEFINE(__LC_FP_CREG_SAVE_AREA, offsetof(struct _lowcore, fpt_creg_save_area));
+ DEFINE(__LC_LAST_BREAK, offsetof(struct _lowcore, breaking_event_addr));
+ DEFINE(__LC_VDSO_PER_CPU, offsetof(struct _lowcore, vdso_per_cpu_data));
+#endif /* CONFIG_32BIT */
return 0;
}
diff --git a/arch/s390/kernel/base.S b/arch/s390/kernel/base.S
index dc7e5259770..15e46ca9433 100644
--- a/arch/s390/kernel/base.S
+++ b/arch/s390/kernel/base.S
@@ -6,8 +6,8 @@
* Michael Holzheu <holzheu@de.ibm.com>
*/
+#include <asm/asm-offsets.h>
#include <asm/ptrace.h>
-#include <asm/lowcore.h>
#ifdef CONFIG_64BIT
diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S
index e8ef21c51bb..4348f9bc539 100644
--- a/arch/s390/kernel/entry.S
+++ b/arch/s390/kernel/entry.S
@@ -13,7 +13,6 @@
#include <linux/linkage.h>
#include <linux/init.h>
#include <asm/cache.h>
-#include <asm/lowcore.h>
#include <asm/errno.h>
#include <asm/ptrace.h>
#include <asm/thread_info.h>
diff --git a/arch/s390/kernel/entry64.S b/arch/s390/kernel/entry64.S
index f33658f09dd..29fd0f1e6ec 100644
--- a/arch/s390/kernel/entry64.S
+++ b/arch/s390/kernel/entry64.S
@@ -9,11 +9,9 @@
* Heiko Carstens <heiko.carstens@de.ibm.com>
*/
-#include <linux/sys.h>
#include <linux/linkage.h>
#include <linux/init.h>
#include <asm/cache.h>
-#include <asm/lowcore.h>
#include <asm/errno.h>
#include <asm/ptrace.h>
#include <asm/thread_info.h>
diff --git a/arch/s390/kernel/ftrace.c b/arch/s390/kernel/ftrace.c
index 5a82bc68193..314d8f09cf3 100644
--- a/arch/s390/kernel/ftrace.c
+++ b/arch/s390/kernel/ftrace.c
@@ -13,7 +13,7 @@
#include <linux/kernel.h>
#include <linux/types.h>
#include <trace/syscall.h>
-#include <asm/lowcore.h>
+#include <asm/asm-offsets.h>
#ifdef CONFIG_DYNAMIC_FTRACE
diff --git a/arch/s390/kernel/head.S b/arch/s390/kernel/head.S
index c52b4f7742f..9e4dc608487 100644
--- a/arch/s390/kernel/head.S
+++ b/arch/s390/kernel/head.S
@@ -23,7 +23,6 @@
#include <linux/init.h>
#include <asm/setup.h>
-#include <asm/lowcore.h>
#include <asm/asm-offsets.h>
#include <asm/thread_info.h>
#include <asm/page.h>
diff --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c
index 998bde3ec5e..7eedbbcb54a 100644
--- a/arch/s390/kernel/ipl.c
+++ b/arch/s390/kernel/ipl.c
@@ -1917,7 +1917,6 @@ void __init ipl_update_parameters(void)
void __init ipl_save_parameters(void)
{
struct cio_iplinfo iplinfo;
- unsigned int *ipl_ptr;
void *src, *dst;
if (cio_get_iplinfo(&iplinfo))
@@ -1928,11 +1927,10 @@ void __init ipl_save_parameters(void)
if (!iplinfo.is_qdio)
return;
ipl_flags |= IPL_PARMBLOCK_VALID;
- ipl_ptr = (unsigned int *)__LC_IPL_PARMBLOCK_PTR;
- src = (void *)(unsigned long)*ipl_ptr;
+ src = (void *)(unsigned long)S390_lowcore.ipl_parmblock_ptr;
dst = (void *)IPL_PARMBLOCK_ORIGIN;
memmove(dst, src, PAGE_SIZE);
- *ipl_ptr = IPL_PARMBLOCK_ORIGIN;
+ S390_lowcore.ipl_parmblock_ptr = IPL_PARMBLOCK_ORIGIN;
}
static LIST_HEAD(rcall);
diff --git a/arch/s390/kernel/reipl.S b/arch/s390/kernel/reipl.S
index 2f481cc3d1c..cb899d9f850 100644
--- a/arch/s390/kernel/reipl.S
+++ b/arch/s390/kernel/reipl.S
@@ -6,7 +6,7 @@
* Author(s): Holger Smolinski (Holger.Smolinski@de.ibm.com)
*/
-#include <asm/lowcore.h>
+#include <asm/asm-offsets.h>
#
# do_reipl_asm
diff --git a/arch/s390/kernel/reipl64.S b/arch/s390/kernel/reipl64.S
index 774147824c3..5e73dee63ba 100644
--- a/arch/s390/kernel/reipl64.S
+++ b/arch/s390/kernel/reipl64.S
@@ -4,7 +4,7 @@
* Denis Joseph Barrow,
*/
-#include <asm/lowcore.h>
+#include <asm/asm-offsets.h>
#
# do_reipl_asm
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index d9fb98cde0f..77a63ae419f 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -396,15 +396,12 @@ static void __init
setup_lowcore(void)
{
struct _lowcore *lc;
- int lc_pages;
/*
* Setup lowcore for boot cpu
*/
- lc_pages = sizeof(void *) == 8 ? 2 : 1;
- lc = (struct _lowcore *)
- __alloc_bootmem(lc_pages * PAGE_SIZE, lc_pages * PAGE_SIZE, 0);
- memset(lc, 0, lc_pages * PAGE_SIZE);
+ BUILD_BUG_ON(sizeof(struct _lowcore) != LC_PAGES * 4096);
+ lc = __alloc_bootmem(LC_PAGES * PAGE_SIZE, LC_PAGES * PAGE_SIZE, 0);
lc->restart_psw.mask = PSW_BASE_BITS | PSW_DEFAULT_KEY;
lc->restart_psw.addr =
PSW_ADDR_AMODE | (unsigned long) restart_int_handler;
diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c
index d8a0b115c7c..8b10127c00a 100644
--- a/arch/s390/kernel/smp.c
+++ b/arch/s390/kernel/smp.c
@@ -36,6 +36,7 @@
#include <linux/cpu.h>
#include <linux/timex.h>
#include <linux/bootmem.h>
+#include <asm/asm-offsets.h>
#include <asm/ipl.h>
#include <asm/setup.h>
#include <asm/sigp.h>
@@ -121,7 +122,7 @@ void smp_switch_to_ipl_cpu(void (*func)(void *), void *data)
sp -= sizeof(struct pt_regs);
regs = (struct pt_regs *) sp;
memcpy(&regs->gprs, &current_lc->gpregs_save_area, sizeof(regs->gprs));
- memcpy(&regs->psw, &current_lc->st_status_fixed_logout, sizeof(psw_t));
+ regs->psw = lc->psw_save_area;
sp -= STACK_FRAME_OVERHEAD;
sf = (struct stack_frame *) sp;
sf->back_chain = regs->gprs[15];
diff --git a/arch/s390/kernel/switch_cpu.S b/arch/s390/kernel/switch_cpu.S
index c05ee6c221d..469f11b574f 100644
--- a/arch/s390/kernel/switch_cpu.S
+++ b/arch/s390/kernel/switch_cpu.S
@@ -6,7 +6,6 @@
*/
#include <asm/asm-offsets.h>
-#include <asm/lowcore.h>
#include <asm/ptrace.h>
# smp_switch_to_cpu switches to destination cpu and executes the passed function
diff --git a/arch/s390/kernel/switch_cpu64.S b/arch/s390/kernel/switch_cpu64.S
index c73ede3c1d6..d94aacc898c 100644
--- a/arch/s390/kernel/switch_cpu64.S
+++ b/arch/s390/kernel/switch_cpu64.S
@@ -6,7 +6,6 @@
*/
#include <asm/asm-offsets.h>
-#include <asm/lowcore.h>
#include <asm/ptrace.h>
# smp_switch_to_cpu switches to destination cpu and executes the passed function
diff --git a/arch/s390/kernel/vdso.c b/arch/s390/kernel/vdso.c
index 5f99e66c51c..6bc9c197aa9 100644
--- a/arch/s390/kernel/vdso.c
+++ b/arch/s390/kernel/vdso.c
@@ -23,6 +23,7 @@
#include <linux/security.h>
#include <linux/bootmem.h>
#include <linux/compat.h>
+#include <asm/asm-offsets.h>
#include <asm/pgtable.h>
#include <asm/system.h>
#include <asm/processor.h>
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-20 05:08:39 +0000