analysed
by various tools/linters, which can trip up on the ROMs.
Tell meson explicitly that all the ROMs should be without execute
permission when installed.
Signed-off-by: Daniel P. Berrangé
Reviewed-by: Helge Deller
Tested-by: Helge Deller
Thanks!
Helge
---
pc-bios/meson.build | 2
On 5/24/25 12:26, Michael Tokarev wrote:
On 17.05.2025 15:00, del...@kernel.org wrote:
From: Helge Deller
This series fixes and improves the floating point exception
handling in the hppa system and user emulation.
A testcase is included in patch #3.
Please review.
Thanks!
Helge
Helge
64.img
Reviewed-by: Daniel P. Berrangé
Acked-by: Helge Deller
Though given the back & forth, I wonder if we wouldn't be better off
changing meson.build rules instead to mode 0644 for all blobs ?
install_data(blobs,
install_dir: qemu_datadir,
ins
On 5/7/25 23:12, Richard Henderson wrote:
v3:
https://lore.kernel.org/qemu-devel/20240909172823.649837-1-richard.hender...@linaro.org/
v4:
https://lore.kernel.org/qemu-devel/20250224171444.440135-1-richard.hender...@linaro.org/
Changes for v5:
- Rebase from February. :-/
- Use ldl_be_p
Mathieu-Daudé
---
v2:
Reword commit message, add Rb tag
hw/char/diva-gsp.c | 6 ++
hw/char/serial-pci-multi.c | 7 ++-
hw/char/serial-pci.c | 10 ++
3 files changed, 6 insertions(+), 17 deletions(-)
Reviewed-by: Helge Deller
Helge
On 3/18/25 11:18, Andreas Schwab wrote:
Is there a generic way for a program to detect that is it being run
inside the linux-user emulation?
Yes, having a reliable way to detect it would be good.
My current (unreliable) way to detect it is using uname.
The kernel string and arch name don't mat
On 3/18/25 11:36, Helge Deller wrote:
On 3/18/25 11:18, Andreas Schwab wrote:
Is there a generic way for a program to detect that is it being run
inside the linux-user emulation?
Yes, having a reliable way to detect it would be good.
In qemu-user emulation we could change the return values
On 2/7/25 15:47, Stefan Hajnoczi wrote:
On Fri, Feb 7, 2025 at 9:39 AM Helge Deller wrote:
Hi Stefan,
On 1/28/25 17:16, Stefan Hajnoczi wrote:
How to propose your idea
--
Reply to this email with the following project idea template filled in:
Would something
Hi Stefan,
On 1/28/25 17:16, Stefan Hajnoczi wrote:
How to propose your idea
--
Reply to this email with the following project idea template filled in:
Would something like this be acceptable?
=== Develop a driver to emulate an existing network-, scsi- or graphic-
On 1/31/25 19:15, Philippe Mathieu-Daudé wrote:
On 28/1/25 18:09, del...@kernel.org wrote:
From: Helge Deller
Since I contribute quite some code to hppa, I'd like to step up and
become the secondary maintainer for HPPA beside Richard.
Additionally change status of hppa machines to maint
On 1/30/25 20:06, Michael Tokarev wrote:
30.01.2025 16:29, del...@kernel.org wrote:
diff --git a/target/hppa/translate.c b/target/hppa/translate.c
+ if (ctx->is_pa20 && (a->dr == 2)) {
+ /* Update gva_offset_mask from the new value of %dr2 */
+ gen_helper_update_gva_offset_m
ariable in CPUArchState
and recalculated at every modification of the CPU PSW or %dr2.
Signed-off-by: Helge Deller
Suggested-by: Richard Henderson
Suggested-by: Sven Schnelle
diff --git a/target/hppa/cpu.c b/target/hppa/cpu.c
index c86f9190d2..5655677431 100644
--- a/target/hppa/cpu.c
+++ b/target/
* Richard Henderson :
> On 1/28/25 17:52, Richard Henderson wrote:
> > On 1/28/25 14:45, del...@kernel.org wrote:
> > > + if (ctx->is_pa20 && (a->dr == 2)) {
> > > + /* Exit TB to recalculate gva_offset_mask on %dr2 */
> > > + ctx->base.is_jmp = DISAS_IAQ_N_STALE_EXIT;
> > > + }
On 1/28/25 19:19, Richard Henderson wrote:
On 1/28/25 08:14, del...@kernel.org wrote:
From: Helge Deller
PA-RISC CPUs have diagnose registers (%dr). Those are mostly
undocumented and control cache behaviour, memory behaviour, reset button
management and many other related internal CPU things
On 1/24/25 18:52, Philippe Mathieu-Daudé wrote:
On 22/1/25 19:09, del...@kernel.org wrote:
From: Helge Deller
Allow up to 256 GB RAM, which is the maximum a rp8440 machine (the very
last 64-bit PA-RISC machine) physically supports.
Signed-off-by: Helge Deller
---
hw/hppa/hppa_hardware.h
* Laurent Vivier :
> [...]
> It would be cleaner to replace all the IFA_XXX by their QEMU_IFA_XXX.
Thanks for review, Laurent!
Below I've merged patch #1 and #7, as suggested by you.
Is this OK?
Can you review?
Thanks!
Helge
____
From: Helge D
On 1/20/25 21:42, Helge Deller wrote:
On 1/20/25 19:17, Laurent Vivier wrote:
Le 19/01/2025 à 05:41, del...@kernel.org a écrit :
From: Helge Deller
Add IP_MULTICAST_IF and share the code with IP_ADD_MEMBERSHIP /
IP_DROP_MEMBERSHIP.
Sharing the code makes sense, because the manpage of ip(7
On 1/20/25 19:17, Laurent Vivier wrote:
Le 19/01/2025 à 05:41, del...@kernel.org a écrit :
From: Helge Deller
Add IP_MULTICAST_IF and share the code with IP_ADD_MEMBERSHIP /
IP_DROP_MEMBERSHIP.
Sharing the code makes sense, because the manpage of ip(7) says:
IP_MULTICAST_IF (since Linux
Add some missing fields which may be parsed by userspace
applications.
Signed-off-by: Helge Deller
v2:
- fixed cpu name and type depending on currently active CPU
diff --git a/linux-user/sparc/target_proc.h b/linux-user/sparc/target_proc.h
index 3bb3134a47..744fa10730 100644
--- a/linux-user
On 1/9/25 01:40, Richard Henderson wrote:
On 1/8/25 15:21, Helge Deller wrote:
My suggestion:
I change my patch to just add:
+ dprintf(fd, "ncpus probed\t: %d\n", num_cpus);
+ dprintf(fd, "ncpus active\t: %d\n", num_cpus);
+ dprintf(fd, "State:\n");
+
On 1/8/25 23:59, Richard Henderson wrote:
On 1/8/25 13:16, Helge Deller wrote:
Add some missing fields which may be parsed by userspace
applications.
Signed-off-by: Helge Deller
diff --git a/linux-user/sparc/target_proc.h b/linux-user/sparc/target_proc.h
index 3bb3134a47..172d089fed 100644
-quick+func-hppa / func-hppa-version OK 0.14s 1
subtests passed
3/4 qemu:func-quick+func-hppa / func-hppa-info_usernetOK 0.22s 1
subtests passed
4/4 qemu:func-quick+func-hppa / func-hppa-hppa_seabiosOK 0.22s 2
subtests passed
Suggested-by: Helge Deller
Signed-off-by: Philippe
Add some missing fields which may be parsed by userspace
applications.
Signed-off-by: Helge Deller
diff --git a/linux-user/sparc/target_proc.h b/linux-user/sparc/target_proc.h
index 3bb3134a47..172d089fed 100644
--- a/linux-user/sparc/target_proc.h
+++ b/linux-user/sparc/target_proc.h
@@ -8,7
e M bit.
Signed-off-by: Philippe Mathieu-Daudé
Acked-by: Helge Deller
---
target/hppa/cpu.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/target/hppa/cpu.c b/target/hppa/cpu.c
index 41538d39d62..dbd46842841 100644
--- a/target/hppa/cpu.c
+++ b/target/hppa/cpu.c
@@ -20
-quick+func-hppa / func-hppa-version OK 0.14s 1
subtests passed
3/4 qemu:func-quick+func-hppa / func-hppa-info_usernetOK 0.22s 1
subtests passed
4/4 qemu:func-quick+func-hppa / func-hppa-hppa_seabiosOK 0.22s 2
subtests passed
Suggested-by: Helge Deller
Signed-off-by: Philippe
On 12/30/24 21:47, Philippe Mathieu-Daudé wrote:
On 30/12/24 21:24, Helge Deller wrote:
Hi Philippe,
On 12/30/24 16:25, Philippe Mathieu-Daudé wrote:
Respin of:
https://lore.kernel.org/qemu-devel/20241229234154.32250-1- del...@kernel.org/
"Add CPU reset function and speed up runtim
On 12/30/24 21:36, Philippe Mathieu-Daudé wrote:
On 30/12/24 21:24, Helge Deller wrote:
Hi Philippe,
On 12/30/24 16:25, Philippe Mathieu-Daudé wrote:
Respin of:
https://lore.kernel.org/qemu-devel/20241229234154.32250-1- del...@kernel.org/
"Add CPU reset function and speed up runtim
(untested)
We haven't implemented PSW-M support and the first
thing the firmware does is to reprogram PSW.
So, basically it's not needed.
Helge, could we add a functional test booting Linux?
What exactly are you looking for?
Some trivial preinstalled disc image with kernels?
Any examples?
On 12/29/24 02:58, Richard Henderson wrote:
On 12/27/24 15:17, Helge Deller wrote:
Add the CPU reset method, which resets all CPU registers and the TLB to
zero. Then the CPU will switch to 32-bit mode (PSW_W bit is not set) and
start execution at address 0xf004.
Although we currently want
On 12/28/24 12:16, BALATON Zoltan wrote:
On Sat, 28 Dec 2024, Helge Deller wrote:
Although the hppa_is_pa20() helper is costly due to string comparisms in
object_dynamic_cast(), it is called quite often during memory lookups
and at each start of a block of instruction translations.
Speed
result in the is_pa20 of struct CPUArchState.
Signed-off-by: Helge Deller
v2:
- moved init to hppa_cpu_initfn() and is_pa20 to end of CPUArchState struct
(feedback by Richard)
diff --git a/target/hppa/cpu.c b/target/hppa/cpu.c
index b908cf65c6..05de952a87 100644
--- a/target/hppa/cpu.c
+++ b
result in the is_pa20 of struct CPUArchState.
Signed-off-by: Helge Deller
diff --git a/hw/hppa/machine.c b/hw/hppa/machine.c
index a31dc32a9f..08ac1ec068 100644
--- a/hw/hppa/machine.c
+++ b/hw/hppa/machine.c
@@ -281,6 +281,7 @@ static TranslateFn
*machine_HP_common_init_cpus(MachineState
case the state structs gets
extended with other variables later on which should not be reset.
Signed-off-by: Helge Deller
V3:
- Call reset function from hppa_machine_reset() instead
V2:
- Add end_reset_fields marker
- call reset function in hppa_cpu_initfn()
diff --git a/hw/hppa/machine.c b/hw
Hi Stefan,
On 12/19/24 21:01, Stefan Hajnoczi wrote:
Will this go through Laurent or did you send a pull request to have it
merged into qemu.git/master directly?
Actually, I'm fine with either one.
I do understand that reviewing this patchset is somewhat
challenging as this area is quite compl
ping for review...
On 11/29/24 15:38, del...@kernel.org wrote:
From: Helge Deller
This patchset adds various missing sockopt calls, so that qemu linux-user
is able to successfully build the debian gupnp package in a chroot.
Tested with a 32-bit big-endian hppa linux-user chroot running on a
missed in that commit.
This fixes the build of the debian package of the uid_wrapper library
(https://cwrap.org/uid_wrapper.html) when running linux-user.
Signed-off-by: Helge Deller
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 59b2080b98..0279f23576 100644
--- a/linux-user/sysca
case the state structs gets
extended with other variables later on which should not be reset.
Signed-off-by: Helge Deller
V2: (based on feedback by Peter Maydell)
- Add end_reset_fields marker
- call reset function in hppa_cpu_initfn()
diff --git a/target/hppa/cpu.c b/target/hppa/cpu.c
index
On 10/29/24 13:44, Peter Maydell wrote:
On Fri, 25 Oct 2024 at 19:25, Helge Deller wrote:
Add the missing CPU reset method, which resets all CPU registers and the
TLB to zero. Then the CPU will switch to 32-bit mode (PSW_W bit is not
set) and start execution at address 0xf004.
Signed-off
On 10/25/24 16:59, Peter Maydell wrote:
On Fri, 25 Oct 2024 at 15:49, Helge Deller wrote:
On 10/25/24 16:12, Peter Maydell wrote:
A summary of those TODOs and other oddities I have noticed but not
tried to tackle is:>
* hppa really ought to implement a CPU reset method
* alpha a
Add the missing CPU reset method, which resets all CPU registers and the
TLB to zero. Then the CPU will switch to 32-bit mode (PSW_W bit is not
set) and start execution at address 0xf004.
Signed-off-by: Helge Deller
diff --git a/target/hppa/cpu.c b/target/hppa/cpu.c
index c38439c180
On 10/25/24 16:12, Peter Maydell wrote:
A summary of those TODOs and other oddities I have noticed but not
tried to tackle is:>
* hppa really ought to implement a CPU reset method
* alpha also doesn't implement CPU reset
I used the alpha code as template to implement the hppa machine.
Tha
On 10/9/24 02:04, Richard Henderson wrote:
Convert hppa_cpu_tlb_fill to hppa_cpu_tlb_fill_align so that we
can recognize alignment exceptions in the correct priority order.
Resolves: https://bugzilla.kernel.org/show_bug.cgi?id=219339
Signed-off-by: Richard Henderson
Reviewed-by: Helge Deller
On 10/9/24 02:04, Richard Henderson wrote:
When we have a tlb miss, defer the alignment check to
the new tlb_fill_align hook. Move the existing alignment
check so that we only perform it with a tlb hit.
Signed-off-by: Richard Henderson
Reviewed-by: Helge Deller
whole page
+ * @probe: test only, no fault
+ * @ra: host return address for exception unwind
+ *
+ * If the access is valid, fill in @out and return true.
+ * Otherwise if probe is true, return false.
+ * Otherwise raise and exception and do not return.
Otherwise raise an(?) exception...
Reviewed-by: Helge Deller
On 10/5/24 22:05, Richard Henderson wrote:
Fill in the tlb_fill_align hook. So far this is the same
as tlb_fill_align_first, except that we can pass memop to
get_phys_addr as well.
Signed-off-by: Richard Henderson
Reviewed-by: Helge Deller
---
target/arm/internals.h | 3
On 10/5/24 22:05, Richard Henderson wrote:
Determine cache attributes, and thence Device vs Normal memory,
"thence" ?
Other than that I have no arm knowledge to review the patch below
Helge
earlier in the function. We have an existing regime_is_stage2
if block into which this can be sl
On 10/5/24 22:05, Richard Henderson wrote:
Pass memop through get_phys_addr_twostage with its
recursion with get_phys_addr_nogpc.
Signed-off-by: Richard Henderson
Reviewed-by: Helge Deller
---
target/arm/ptw.c | 10 ++
1 file changed, 6 insertions(+), 4 deletions(-)
On 10/5/24 22:05, Richard Henderson wrote:
Pass the value through from get_phys_addr_nogpc.
Signed-off-by: Richard Henderson
Reviewed-by: Helge Deller
---
target/arm/ptw.c | 6 --
1 file changed, 4 insertions(+), 2 deletions(-)
On 10/5/24 22:05, Richard Henderson wrote:
Zero is the safe do-nothing value for callers to use.
Pass the value through from get_phys_addr_gpc and
get_phys_addr_with_space_nogpc.
Signed-off-by: Richard Henderson
Reviewed-by: Helge Deller
---
target/arm/ptw.c | 14 --
1
On 10/5/24 22:05, Richard Henderson wrote:
Zero is the safe do-nothing value for callers to use.
Signed-off-by: Richard Henderson
Reviewed-by: Helge Deller
---
target/arm/internals.h | 3 ++-
target/arm/helper.c| 4 ++--
target/arm/ptw.c | 2 +-
3 files changed, 5
On 10/5/24 22:05, Richard Henderson wrote:
Zero is the safe do-nothing value for callers to use.
Pass the value through from get_phys_addr.
Signed-off-by: Richard Henderson
Reviewed-by: Helge Deller
---
target/arm/ptw.c | 11 ++-
1 file changed, 6 insertions(+), 5 deletions(-)
On 10/5/24 22:05, Richard Henderson wrote:
Zero is the safe do-nothing value for callers to use.
Signed-off-by: Richard Henderson
Reviewed-by: Helge Deller
---
target/arm/internals.h | 3 ++-
target/arm/ptw.c| 2 +-
target/arm/tcg/m_helper.c | 8
target
On 10/5/24 22:05, Richard Henderson wrote:
Fill in the tlb_fill_align hook, so that we can recognize
alignment exceptions in the correct priority order.
Signed-off-by: Richard Henderson
Reviewed-by: Helge Deller
---
target/hppa/cpu.h| 3 +++
target/hppa/cpu.c| 2
On 10/5/24 22:05, Richard Henderson wrote:
In Chapter 5, Interruptions, the group 3 exceptions lists
"Unaligned data reference trap" has higher priority than
"Data memory break trap".
Signed-off-by: Richard Henderson
Reviewed-by: Helge Deller
---
target/h
On 10/5/24 22:05, Richard Henderson wrote:
Drop the 'else' so that ret is overridden with the
highest priority fault.
Signed-off-by: Richard Henderson
Reviewed-by: Helge Deller
---
target/hppa/mem_helper.c | 8 +---
1 file changed, 5 insertions(+), 3 deletions(-)
rson
Reviewed-by: Helge Deller
---
target/hppa/mem_helper.c | 12 ++--
1 file changed, 6 insertions(+), 6 deletions(-)
On 10/5/24 22:05, Richard Henderson wrote:
Just add the argument, unused at this point.
Zero is the safe do-nothing value for all callers.
Signed-off-by: Richard Henderson
Reviewed-by: Helge Deller
---
target/hppa/cpu.h| 2 +-
target/hppa/int_helper.c | 2 +-
target/hppa
On 10/5/24 22:05, Richard Henderson wrote:
When we have a tlb miss, defer the alignment check to
the new tlb_fill_align hook. Move the existing alignment
check so that we only perform it with a tlb hit.
Signed-off-by: Richard Henderson
Reviewed-by: Helge Deller
---
accel/tcg/cputlb.c
On 10/5/24 22:05, Richard Henderson wrote:
Add the hook to struct TCGCPUOps. Add a default implementation
that recognizes alignment faults before page faults. Populate
all TCGCPUOps structures with the default implementation.
Signed-off-by: Richard Henderson
Reviewed-by: Helge Deller
On 10/5/24 22:05, Richard Henderson wrote:
Split out of mmu_lookup.
Signed-off-by: Richard Henderson
Reviewed-by: Helge Deller
---
include/exec/memop.h | 24
accel/tcg/cputlb.c | 16 ++--
2 files changed, 26 insertions(+), 14 deletions(-)
diff
On 10/5/24 22:05, Richard Henderson wrote:
Rename to use "memop_" prefix, like other functions
that operate on MemOp.
Signed-off-by: Richard Henderson
Reviewed-by: Helge Deller
---
include/exec/memop.h | 4 ++--
accel/tcg/cputlb.c | 4 ++--
acce
On 10/5/24 22:05, Richard Henderson wrote:
This function is specific to MemOp, not TCG in general.
Signed-off-by: Richard Henderson
Reviewed-by: Helge Deller
---
include/exec/memop.h | 23 +++
include/tcg/tcg.h| 23 ---
2 files changed, 23
On 10/5/24 22:05, Richard Henderson wrote:
Signed-off-by: Richard Henderson
Reviewed-by: Helge Deller
---
accel/tcg/cputlb.c | 33 ++---
1 file changed, 10 insertions(+), 23 deletions(-)
diff --git a/accel/tcg/cputlb.c b/accel/tcg/cputlb.c
index fd6459b695
On 10/5/24 22:05, Richard Henderson wrote:
There should be no "just in case"; the page is already
in the tlb, and known to be not readable.
Signed-off-by: Richard Henderson
Reviewed-by: Helge Deller
---
accel/tcg/cputlb.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletion
On 10/5/24 22:05, Richard Henderson wrote:
This new hook will allow targets to recognize an alignment
fault with the correct priority with respect to other faults
that can be raised by paging.
This should fix several hppa fault priority issues, most
importantly that access permissions come befor
On 10/2/24 17:47, Peter Maydell wrote:
On Wed, 2 Oct 2024 at 16:35, Alex Bennée wrote:
Helge Deller writes:
When the emulated CPU reads or writes to a memory location
a) for which no read/write permissions exists, *and*
b) the access happens unaligned (non-natural alignment),
then the CPU
necessary code to allow PARISC and possibly other architectures to
trigger a memory fault instead.
Signed-off-by: Helge Deller
Fixes: https://bugzilla.kernel.org/show_bug.cgi?id=219339
diff --git a/accel/tcg/cputlb.c b/accel/tcg/cputlb.c
index 117b516739..dd1da358fb 100644
--- a/accel/tcg/cputlb.c
+++ b
Signed-off-by: Helge Deller
Reviewed-by: Richard Henderson
Tested-by: Guenter Roeck
Fixes: 931adff31478 ("target/hppa: Update cpu_hppa_get/put_psw for hppa64")
Cc: qemu-sta...@nongnu.org # v8.2+
---
v2:
- added change to cpu.h (as requested by Richard)
- added Richards R-b
- added sta
hppa: Do not mask in copy_iaoq_entry")
Signed-off-by: Helge Deller
diff --git a/target/hppa/cpu.h b/target/hppa/cpu.h
index 2bcb3b602b..56d9568d6c 100644
--- a/target/hppa/cpu.h
+++ b/target/hppa/cpu.h
@@ -319,7 +319,7 @@ static inline target_ulong hppa_form_gva_psw(target
Signed-off-by: Helge Deller
Fixes: 931adff31478 ("target/hppa: Update cpu_hppa_get/put_psw for hppa64")
diff --git a/target/hppa/helper.c b/target/hppa/helper.c
index b79ddd8184..d4b1a3cd5a 100644
--- a/target/hppa/helper.c
+++ b/target/hppa/helper.c
@@ -53,7 +53,7 @@ target_ulong cpu_hp
On 8/29/24 04:38, Richard Henderson wrote:
On 8/29/24 03:12, Helge Deller wrote:
Hi Richard,
I tested qemu-user from v9.1-rc4 for hppa and noticed that it crashes
immediately when starting a hppa chroot.
I was able to bisect the segfault back to
commit 081a0ed188d8d9d9038f00337d331d185a7ae331
Hi Richard,
I tested qemu-user from v9.1-rc4 for hppa and noticed that it crashes
immediately when starting a hppa chroot.
I was able to bisect the segfault back to
commit 081a0ed188d8d9d9038f00337d331d185a7ae331
Author: Richard Henderson
Date: Wed Mar 27 13:04:00 2024 -1000
target/hppa: D
On 5/29/24 17:11, Philippe Mathieu-Daudé wrote:
Hi Helge & Richard,
Hi Philippe,
Nevermind the missed review comments, I'm revisiting this
patch while looking at building libtcg-hppa.so.
Ok.
On 1/2/22 00:56, Philippe Mathieu-Daudé wrote:
On 31/1/22 22:35, Helge Deller wrote:
A
On 5/28/24 12:35, Thomas Huth wrote:
On 28/05/2024 11.54, Gerd Hoffmann wrote:
The xhci host adapter is the much better choice.
Signed-off-by: Gerd Hoffmann
---
hw/usb/hcd-ohci-pci.c | 1 +
hw/usb/Kconfig | 1 -
2 files changed, 1 insertion(+), 1 deletion(-)
diff --git a/hw/usb/hcd
o install.
>
> As expected, this reduces the runtime overhead of compilation when
> running a Linux kernel with address space randomization enabled.
Ah! I was wondering why you tried to convert to CF_PCREL at all.
So, that's the overall reason.
> Signed-off-by: Richard Henderson
Reviewed-by: Helge Deller
* Richard Henderson :
> Do not compile in the priv change based on the first
> translation; look up the PTE at execution time.
>
> Signed-off-by: Richard Henderson
Reviewed-by: Helge Deller
* Richard Henderson :
> The return-by-reference is never used.
>
> Signed-off-by: Richard Henderson
Reviewed-by: Helge Deller
* Richard Henderson :
> Use PAGE_WRITE_INV to temporarily enable write permission
> on for a given page, driven by PSW_X being set.
>
> Signed-off-by: Richard Henderson
Reviewed-by: Helge Deller
* Richard Henderson :
> PSW_B causes B,GATE to trap as an illegal instruction, removing
> the sequential execution test that was merely an approximation.
>
> Signed-off-by: Richard Henderson
Reviewed-by: Helge Deller
t most once per TB.
>
> Signed-off-by: Richard Henderson
Reviewed-by: Helge Deller
* Richard Henderson :
> Generally, both of these bits are cleared at the end of each
> instruction. By separating these, we will be able to clear
> both with a single insn, instead of 2 or 3.
>
> Signed-off-by: Richard Henderson
Reviewed-by: Helge Deller
* Richard Henderson :
> Print both raw IAQ_Front and IAQ_Back as well as the GVAs.
> Print control registers in system mode.
> Print floating point register if CPU_DUMP_FPU.
>
> Signed-off-by: Richard Henderson
Reviewed-by: Helge Deller
* Richard Henderson :
> As with loads and stores, code offsets are kept intact until the
> full gva is formed. In qemu, this is in cpu_get_tb_cpu_state.
>
> Signed-off-by: Richard Henderson
Reviewed-by: Helge Deller
ds wrong, or missing commas,
but maybe I'm just wrong...?
Other than that...:
Reviewed-by: Helge Deller
> Signed-off-by: Richard Henderson
* Richard Henderson :
> The kernel does this along the return path to user mode.
>
> Signed-off-by: Richard Henderson
Reviewed-by: Helge Deller
> linux-user/hppa/target_cpu.h | 4 ++--
> target/hppa/cpu.h| 3 +++
> linux-user/elfload.c | 4 ++--
tions(-)
Reviewed-by: Helge Deller
* Richard Henderson :
> Signed-off-by: Richard Henderson
Reviewed-by: Helge Deller
> target/hppa/helper.h | 1 -
> target/hppa/int_helper.c | 2 +-
> target/hppa/op_helper.c | 7 ---
> target/hppa/translate.c | 41 ++--
> 4
rget/hppa/translate.c | 60 +
> 1 file changed, 55 insertions(+), 5 deletions(-)
Reviewed-by: Helge Deller
tions do the right thing with c or cf == 0,
> so there's no need for a special case anymore.
>
> Signed-off-by: Richard Henderson
> ---
> target/hppa/translate.c | 102 +++-
> 1 file changed, 27 insertions(+), 75 deletions(-)
Reviewed-by: Helge Deller
* Richard Henderson :
> Signed-off-by: Richard Henderson
> ---
> target/hppa/translate.c | 22 ++
> 1 file changed, 6 insertions(+), 16 deletions(-)
Reviewed-by: Helge Deller
* Richard Henderson :
> Define all of the context dependent field definitions.
> Use FIELD_EX32 and FIELD_DP32 with named fields instead
> of extract32 and deposit32 with raw constants.
>
> Signed-off-by: Richard Henderson
Reviewed-by: Helge Deller
> ---
> target/h
* Richard Henderson :
> Signed-off-by: Richard Henderson
Reviewed-by: Helge Deller
> ---
> target/hppa/translate.c | 12 +++-
> 1 file changed, 3 insertions(+), 9 deletions(-)
>
> diff --git a/target/hppa/translate.c b/target/hppa/translate.c
> index 47f4b23d
* Richard Henderson :
> Signed-off-by: Richard Henderson
Reviewed-by: Helge Deller
* Richard Henderson :
> Signed-off-by: Richard Henderson
Reviewed-by: Helge Deller
* Richard Henderson :
> We can directly test bits of a 32-bit comparison without
> zero or sign-extending an intermediate result.
> We can directly test bit 0 for odd/even.
>
> Signed-off-by: Richard Henderson
Reviewed-by: Helge Deller
* Richard Henderson :
> We can directly test bits of a 32-bit comparison without
> zero or sign-extending an intermediate result.
> We can directly test bit 0 for odd/even.
>
> Signed-off-by: Richard Henderson
Reviewed-by: Helge Deller
>cond_make_0_tmp -> cond_make_ti
>cond_make_0 -> cond_make_vi
>cond_make -> cond_make_vv
>
> Pass 0 explictly, rather than implicitly in the function name.
>
> Signed-off-by: Richard Henderson
Reviewed-by: Helge Deller
* Richard Henderson :
> This is a first step in enabling CF_PCREL, but for now
> we regenerate the absolute address before writeback.
>
> Signed-off-by: Richard Henderson
Reviewed-by: Helge Deller
* Richard Henderson :
> Wrap offset and space together in one structure, ensuring
> that they're copied together as required.
>
> Signed-off-by: Richard Henderson
Reviewed-by: Helge Deller
On 5/14/24 16:37, Helge Deller wrote:
* Richard Henderson :
Add a common routine for writing the return address.
Signed-off-by: Richard Henderson
Reviewed-by: Helge Deller
---
target/hppa/translate.c | 54 +++--
1 file changed, 31 insertions(+), 23
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