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Re: [Qemu-ppc] [PULL 00/27] ppc-for-4.0 queue 20181213
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From: |
David Gibson |
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Subject: |
Re: [Qemu-ppc] [PULL 00/27] ppc-for-4.0 queue 20181213 |
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Date: |
Sat, 15 Dec 2018 20:09:00 +1100 |
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User-agent: |
Mutt/1.10.1 (2018-07-13) |
On Fri, Dec 14, 2018 at 04:03:08PM +0000, Peter Maydell wrote:
> On Thu, 13 Dec 2018 at 04:01, David Gibson <address@hidden> wrote:
> >
> > The following changes since commit 4b3aab204204ca742836219b97b538d90584f4f2:
> >
> > Merge remote-tracking branch
> > 'remotes/vivier2/tags/trivial-patches-pull-request' into staging
> > (2018-12-11 22:26:44 +0000)
> >
> > are available in the Git repository at:
> >
> > git://github.com/dgibson/qemu.git tags/ppc-for-4.0-20181213
> >
> > for you to fetch changes up to 67888a17b6683600ae3fa64ca275c737ba8a9a45:
> >
> > spapr/xive: use the VCPU id as a NVT identifier (2018-12-13 09:44:04
> > +1100)
> >
> > ----------------------------------------------------------------
> > ppc patch queue 2018-12-13
> >
> > Here's the first ppc and spapr pull request for 4.0. Highlights are:
> >
> > * The start of support for the POWER9 "XIVE" interrupt controller
> > (not complete enough to use yet, but we're getting there)
> > * A number of g_new vs. g_malloc cleanups
> > * Some IRQ wiring cleanups
> > * A fix for how we advertise NUMA nodes to the guest for pseries
> >
> > ---------------------------------------------------------------
>
>
> Compile errors in the windows cross-build. These look like
> they're assumptions that "long" is 64 bits, which it is not on Windows.
> For instance the PPC_BIT macro should be using the ULL suffix, not UL
> ("UL" is almost always a bug: either the constant is 32-bit, in
> which case "U" is what you want, or it's 64-bit and you need "ULL").
Bother, sorry. I got sidetracked debugging some problems that turned
out to be in master and forgot to run the windows builds.
> Using __builtin_ffsl() directly in target/ppc/cpu.h also looks
> a bit dubious -- this should be rephrased to use ctz32() or ctz64()
> instead.
>
> In file included from /home/petmay01/qemu-for-merges/hw/intc/xive.c:13:0:
> /home/petmay01/qemu-for-merges/hw/intc/xive.c: In function
> 'xive_router_notify':
> /home/petmay01/qemu-for-merges/target/ppc/cpu.h:76:33: error: overflow
> in implicit constant conversion [-Werror=overflow]
> #define PPC_BITMASK(bs, be) ((PPC_BIT(bs) - PPC_BIT(be)) | PPC_BIT(bs))
> ^
> /home/petmay01/qemu-for-merges/target/ppc/cpu.h:84:50: note: in
> definition of macro 'MASK_TO_LSH'
> # define MASK_TO_LSH(m) (__builtin_ffsl(m) - 1)
> ^
> /home/petmay01/qemu-for-merges/include/hw/ppc/xive_regs.h:129:34:
> note: in expansion of macro 'GETFIELD'
> #define GETFIELD_BE64(m, v) GETFIELD(m, be64_to_cpu(v))
> ^
> /home/petmay01/qemu-for-merges/hw/intc/xive.c:1366:28: note: in
> expansion of macro 'GETFIELD_BE64'
> GETFIELD_BE64(EAS_END_BLOCK, eas.w),
> ^
> /home/petmay01/qemu-for-merges/include/hw/ppc/xive_regs.h:120:25:
> note: in expansion of macro 'PPC_BITMASK'
> #define EAS_END_BLOCK PPC_BITMASK(4, 7) /* Destination END block# */
> ^
> /home/petmay01/qemu-for-merges/hw/intc/xive.c:1366:42: note: in
> expansion of macro 'EAS_END_BLOCK'
> GETFIELD_BE64(EAS_END_BLOCK, eas.w),
> ^
> /home/petmay01/qemu-for-merges/target/ppc/cpu.h:89:46: error: right
> shift count is negative [-Werror=shift-count-negative]
> #define GETFIELD(m, v) (((v) & (m)) >> MASK_TO_LSH(m))
> ^
> /home/petmay01/qemu-for-merges/include/hw/ppc/xive_regs.h:129:34:
> note: in expansion of macro 'GETFIELD'
> #define GETFIELD_BE64(m, v) GETFIELD(m, be64_to_cpu(v))
> ^
> /home/petmay01/qemu-for-merges/hw/intc/xive.c:1366:28: note: in
> expansion of macro 'GETFIELD_BE64'
> GETFIELD_BE64(EAS_END_BLOCK, eas.w),
> ^
> /home/petmay01/qemu-for-merges/target/ppc/cpu.h:76:33: error: overflow
> in implicit constant conversion [-Werror=overflow]
> #define PPC_BITMASK(bs, be) ((PPC_BIT(bs) - PPC_BIT(be)) | PPC_BIT(bs))
> ^
> /home/petmay01/qemu-for-merges/target/ppc/cpu.h:84:50: note: in
> definition of macro 'MASK_TO_LSH'
> # define MASK_TO_LSH(m) (__builtin_ffsl(m) - 1)
> ^
> /home/petmay01/qemu-for-merges/include/hw/ppc/xive_regs.h:129:34:
> note: in expansion of macro 'GETFIELD'
> #define GETFIELD_BE64(m, v) GETFIELD(m, be64_to_cpu(v))
> ^
> /home/petmay01/qemu-for-merges/hw/intc/xive.c:1367:28: note: in
> expansion of macro 'GETFIELD_BE64'
> GETFIELD_BE64(EAS_END_INDEX, eas.w),
> ^
> /home/petmay01/qemu-for-merges/include/hw/ppc/xive_regs.h:121:25:
> note: in expansion of macro 'PPC_BITMASK'
> #define EAS_END_INDEX PPC_BITMASK(8, 31) /* Destination END index */
> ^
> /home/petmay01/qemu-for-merges/hw/intc/xive.c:1367:42: note: in
> expansion of macro 'EAS_END_INDEX'
> GETFIELD_BE64(EAS_END_INDEX, eas.w),
> ^
> /home/petmay01/qemu-for-merges/target/ppc/cpu.h:89:46: error: right
> shift count is negative [-Werror=shift-count-negative]
> #define GETFIELD(m, v) (((v) & (m)) >> MASK_TO_LSH(m))
> ^
> /home/petmay01/qemu-for-merges/include/hw/ppc/xive_regs.h:129:34:
> note: in expansion of macro 'GETFIELD'
> #define GETFIELD_BE64(m, v) GETFIELD(m, be64_to_cpu(v))
> ^
> /home/petmay01/qemu-for-merges/hw/intc/xive.c:1367:28: note: in
> expansion of macro 'GETFIELD_BE64'
> GETFIELD_BE64(EAS_END_INDEX, eas.w),
> ^
> /home/petmay01/qemu-for-merges/hw/intc/xive.c: In function
> 'xive_eas_pic_print_info':
> /home/petmay01/qemu-for-merges/target/ppc/cpu.h:76:33: error: overflow
> in implicit constant conversion [-Werror=overflow]
> #define PPC_BITMASK(bs, be) ((PPC_BIT(bs) - PPC_BIT(be)) | PPC_BIT(bs))
> ^
> /home/petmay01/qemu-for-merges/target/ppc/cpu.h:84:50: note: in
> definition of macro 'MASK_TO_LSH'
> # define MASK_TO_LSH(m) (__builtin_ffsl(m) - 1)
> ^
> /home/petmay01/qemu-for-merges/include/hw/ppc/xive_regs.h:129:34:
> note: in expansion of macro 'GETFIELD'
> #define GETFIELD_BE64(m, v) GETFIELD(m, be64_to_cpu(v))
> ^
> /home/petmay01/qemu-for-merges/hw/intc/xive.c:1400:31: note: in
> expansion of macro 'GETFIELD_BE64'
> (uint8_t) GETFIELD_BE64(EAS_END_BLOCK, eas->w),
> ^
> /home/petmay01/qemu-for-merges/include/hw/ppc/xive_regs.h:120:25:
> note: in expansion of macro 'PPC_BITMASK'
> #define EAS_END_BLOCK PPC_BITMASK(4, 7) /* Destination END block# */
> ^
> /home/petmay01/qemu-for-merges/hw/intc/xive.c:1400:45: note: in
> expansion of macro 'EAS_END_BLOCK'
> (uint8_t) GETFIELD_BE64(EAS_END_BLOCK, eas->w),
> ^
> /home/petmay01/qemu-for-merges/target/ppc/cpu.h:89:46: error: right
> shift count is negative [-Werror=shift-count-negative]
> #define GETFIELD(m, v) (((v) & (m)) >> MASK_TO_LSH(m))
> ^
> /home/petmay01/qemu-for-merges/include/hw/ppc/xive_regs.h:129:34:
> note: in expansion of macro 'GETFIELD'
> #define GETFIELD_BE64(m, v) GETFIELD(m, be64_to_cpu(v))
> ^
> /home/petmay01/qemu-for-merges/hw/intc/xive.c:1400:31: note: in
> expansion of macro 'GETFIELD_BE64'
> (uint8_t) GETFIELD_BE64(EAS_END_BLOCK, eas->w),
> ^
> /home/petmay01/qemu-for-merges/include/hw/ppc/xive_regs.h:120:25:
> note: in expansion of macro 'PPC_BITMASK'
> #define EAS_END_BLOCK PPC_BITMASK(4, 7) /* Destination END block# */
> ^
> /home/petmay01/qemu-for-merges/hw/intc/xive.c:1400:45: note: in
> expansion of macro 'EAS_END_BLOCK'
> (uint8_t) GETFIELD_BE64(EAS_END_BLOCK, eas->w),
> ^
> /home/petmay01/qemu-for-merges/target/ppc/cpu.h:89:46: error: right
> shift count is negative [-Werror=shift-count-negative]
> #define GETFIELD(m, v) (((v) & (m)) >> MASK_TO_LSH(m))
> ^
> /home/petmay01/qemu-for-merges/include/hw/ppc/xive_regs.h:129:34:
> note: in expansion of macro 'GETFIELD'
> #define GETFIELD_BE64(m, v) GETFIELD(m, be64_to_cpu(v))
> ^
> /home/petmay01/qemu-for-merges/hw/intc/xive.c:1400:31: note: in
> expansion of macro 'GETFIELD_BE64'
> (uint8_t) GETFIELD_BE64(EAS_END_BLOCK, eas->w),
> ^
> /home/petmay01/qemu-for-merges/target/ppc/cpu.h:76:33: error: overflow
> in implicit constant conversion [-Werror=overflow]
> #define PPC_BITMASK(bs, be) ((PPC_BIT(bs) - PPC_BIT(be)) | PPC_BIT(bs))
> ^
> /home/petmay01/qemu-for-merges/target/ppc/cpu.h:84:50: note: in
> definition of macro 'MASK_TO_LSH'
> # define MASK_TO_LSH(m) (__builtin_ffsl(m) - 1)
> ^
> /home/petmay01/qemu-for-merges/include/hw/ppc/xive_regs.h:129:34:
> note: in expansion of macro 'GETFIELD'
> #define GETFIELD_BE64(m, v) GETFIELD(m, be64_to_cpu(v))
> ^
> /home/petmay01/qemu-for-merges/hw/intc/xive.c:1401:31: note: in
> expansion of macro 'GETFIELD_BE64'
> (uint32_t) GETFIELD_BE64(EAS_END_INDEX, eas->w),
> ^
> /home/petmay01/qemu-for-merges/include/hw/ppc/xive_regs.h:121:25:
> note: in expansion of macro 'PPC_BITMASK'
> #define EAS_END_INDEX PPC_BITMASK(8, 31) /* Destination END index */
> ^
> /home/petmay01/qemu-for-merges/hw/intc/xive.c:1401:45: note: in
> expansion of macro 'EAS_END_INDEX'
> (uint32_t) GETFIELD_BE64(EAS_END_INDEX, eas->w),
> ^
> /home/petmay01/qemu-for-merges/target/ppc/cpu.h:89:46: error: right
> shift count is negative [-Werror=shift-count-negative]
> #define GETFIELD(m, v) (((v) & (m)) >> MASK_TO_LSH(m))
> ^
> /home/petmay01/qemu-for-merges/include/hw/ppc/xive_regs.h:129:34:
> note: in expansion of macro 'GETFIELD'
> #define GETFIELD_BE64(m, v) GETFIELD(m, be64_to_cpu(v))
> ^
> /home/petmay01/qemu-for-merges/hw/intc/xive.c:1401:31: note: in
> expansion of macro 'GETFIELD_BE64'
> (uint32_t) GETFIELD_BE64(EAS_END_INDEX, eas->w),
> ^
>
>
> thanks
> -- PMM
>
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
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- [Qemu-ppc] [PULL 22/27] ppc/xive: add support for the END Event State Buffers, (continued)
- Re: [Qemu-ppc] [PULL 00/27] ppc-for-4.0 queue 20181213,
David Gibson <=