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2022-09-20target/ppc: Merge fsqrt and fsqrts helpersVíctor Colombo1-2/+2
These two helpers are almost identical, differing only by the softfloat operation it calls. Merge them into one using a macro. Also, take this opportunity to capitalize the helper name as we moved the instruction to decodetree in a previous patch. Signed-off-by: Víctor Colombo <victor.colombo@eldorado.org.br> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220905123746.54659-4-victor.colombo@eldorado.org.br> Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
2022-09-20target/ppc: Move fsqrts to decodetreeVíctor Colombo1-22/+1
Signed-off-by: Víctor Colombo <victor.colombo@eldorado.org.br> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220905123746.54659-3-victor.colombo@eldorado.org.br> Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
2022-09-20target/ppc: Move fsqrt to decodetreeVíctor Colombo1-12/+17
Signed-off-by: Víctor Colombo <victor.colombo@eldorado.org.br> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220905123746.54659-2-victor.colombo@eldorado.org.br> Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
2022-07-18target/ppc: receive DisasContext explicitly in GEN_PRIVMatheus Ferst1-2/+2
GEN_PRIV and related CHK_* macros just assumed that variable named "ctx" would be in scope when they are used, and that it would be a pointer to DisasContext. Change these macros to receive the pointer explicitly. Reviewed-by: Leandro Lupori <leandro.lupori@eldorado.org.br> Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br> Signed-off-by: Lucas Coutinho <lucas.coutinho@eldorado.org.br> Message-Id: <20220701133507.740619-2-lucas.coutinho@eldorado.org.br> Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
2022-07-06target/ppc: Implement mffscdrn[i] instructionsVíctor Colombo1-0/+41
Signed-off-by: Víctor Colombo <victor.colombo@eldorado.org.br> Reviewed-by: Matheus Ferst <matheus.ferst@eldorado.org.br> Message-Id: <20220629162904.105060-7-victor.colombo@eldorado.org.br> Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
2022-07-06target/ppc: Move mffs[.] to decodetreeVíctor Colombo1-18/+17
Signed-off-by: Víctor Colombo <victor.colombo@eldorado.org.br> Reviewed-by: Matheus Ferst <matheus.ferst@eldorado.org.br> Message-Id: <20220629162904.105060-6-victor.colombo@eldorado.org.br> Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
2022-07-06target/ppc: Move mffsl to decodetreeVíctor Colombo1-22/+16
Signed-off-by: Víctor Colombo <victor.colombo@eldorado.org.br> Reviewed-by: Matheus Ferst <matheus.ferst@eldorado.org.br> Message-Id: <20220629162904.105060-5-victor.colombo@eldorado.org.br> Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
2022-07-06target/ppc: Move mffsce to decodetreeVíctor Colombo1-30/+16
Signed-off-by: Víctor Colombo <victor.colombo@eldorado.org.br> Reviewed-by: Matheus Ferst <matheus.ferst@eldorado.org.br> Message-Id: <20220629162904.105060-4-victor.colombo@eldorado.org.br> Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
2022-07-06target/ppc: Move mffscrn[i] to decodetreeVíctor Colombo1-41/+42
Signed-off-by: Víctor Colombo <victor.colombo@eldorado.org.br> Reviewed-by: Matheus Ferst <matheus.ferst@eldorado.org.br> Message-Id: <20220629162904.105060-3-victor.colombo@eldorado.org.br> Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
2022-05-26target/ppc: Use TCG_CALL_NO_RWG_SE in fsel helperMatheus Ferst1-2/+28
fsel doesn't change FPSCR and CR1 is handled by gen_set_cr1_from_fpscr, so helper_fsel doesn't need the env argument and can be declared with TCG_CALL_NO_RWG_SE. We also take this opportunity to move the insn to decodetree. Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220517123929.284511-6-matheus.ferst@eldorado.org.br> Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
2022-02-09target/ppc: Remove PowerPC 601 CPUsCédric Le Goater1-179/+0
The PowerPC 601 processor is the first generation of processors to implement the PowerPC architecture. It was designed as a bridge processor and also could execute most of the instructions of the previous POWER architecture. It was found on the first Macs and IBM RS/6000 workstations. There is not much interest in keeping the CPU model of this POWER-PowerPC bridge processor. We have the 603 and 604 CPU models of the 60x family which implement the complete PowerPC instruction set. Cc: "Hervé Poussineau" <hpoussin@reactos.org> Cc: Laurent Vivier <laurent@vivier.eu> Signed-off-by: Cédric Le Goater <clg@kaod.org> Reviewed-by: Fabiano Rosas <farosas@linux.ibm.com> Message-Id: <20220203142756.1302515-1-clg@kaod.org> Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-01-08exec/memop: Adding signedness to quad definitionsFrédéric Pétrot1-2/+2
Renaming defines for quad in their various forms so that their signedness is now explicit. Done using git grep as suggested by Philippe, with a bit of hand edition to keep assignments aligned. Signed-off-by: Frédéric Pétrot <frederic.petrot@univ-grenoble-alpes.fr> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Message-id: 20220106210108.138226-2-frederic.petrot@univ-grenoble-alpes.fr Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2021-12-17target/ppc: Add helper for frsqrtesRichard Henderson1-2/+1
There is no double-rounding bug here, because the result is merely an estimate to within 1 part in 32, but perform the operation with float64r32_div for consistency. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20211119160502.17432-33-richard.henderson@linaro.org> Signed-off-by: Cédric Le Goater <clg@kaod.org>
2021-12-17target/ppc: Add helper for fmulsRichard Henderson1-7/+4
Use float64r32_mul. Fixes a double-rounding issue with performing the compuation in float64 and then rounding afterward. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20211119160502.17432-32-richard.henderson@linaro.org> Signed-off-by: Cédric Le Goater <clg@kaod.org>
2021-12-17target/ppc: Add helpers for fadds, fsubs, fdivsRichard Henderson1-7/+4
Use float64r32_{add,sub,div}. Fixes a double-rounding issue with performing the compuation in float64 and then rounding afterward. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20211119160502.17432-31-richard.henderson@linaro.org> Signed-off-by: Cédric Le Goater <clg@kaod.org>
2021-12-17target/ppc: Add helper for fsqrtsRichard Henderson1-2/+1
Use float64r32_sqrt. Fixes a double-rounding issue with performing the compuation in float64 and then rounding afterward. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20211119160502.17432-30-richard.henderson@linaro.org> Signed-off-by: Cédric Le Goater <clg@kaod.org>
2021-12-17target/ppc: Add helpers for fmadds et alRichard Henderson1-8/+5
Use float64r32_muladd. Fixes a double-rounding issue with performing the compuation in float64 and then rounding afterward. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20211119160502.17432-29-richard.henderson@linaro.org> Signed-off-by: Cédric Le Goater <clg@kaod.org>
2021-12-17target/ppc: Move float_check_status from FPU_FCTI to translateRichard Henderson1-1/+2
Fixes a bug in which e.g XE enabled causes inexact to be raised before the writeback to the architectural register. All of the users of GEN_FLOAT_B either set set_fprf, or are one of the convert-to-integer instructions that require this behaviour. Split out the two gen_helper_* calls in gen_compute_fprf_float64 and protect only the first with set_fprf. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20211119160502.17432-12-richard.henderson@linaro.org> Signed-off-by: Cédric Le Goater <clg@kaod.org>
2021-12-17target/ppc: Fixed call to deferred exceptionLucas Mateus Castro (alqotel)1-6/+3
mtfsf, mtfsfi and mtfsb1 instructions call helper_float_check_status after updating the value of FPSCR, but helper_float_check_status checks fp_status and fp_status isn't updated based on FPSCR and since the value of fp_status is reset earlier in the instruction, it's always 0. Because of this helper_float_check_status would change the FI bit to 0 as this bit checks if the last operation was inexact and float_flag_inexact is always 0. These instructions also don't throw exceptions correctly since helper_float_check_status throw exceptions based on fp_status. This commit created a new helper, helper_fpscr_check_status that checks FPSCR value instead of fp_status and checks for a larger variety of exceptions than do_float_check_status. Since fp_status isn't used, gen_reset_fpstatus() was removed. The hardware used to compare QEMU's behavior to was a Power9. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Lucas Mateus Castro (alqotel) <lucas.araujo@eldorado.org.br> Message-Id: <20211201163808.440385-2-lucas.araujo@eldorado.org.br> Signed-off-by: Cédric Le Goater <clg@kaod.org>
2021-11-10target/ppc: Fix register update on lf[sd]u[x]/stf[sd]u[x]Matheus Ferst1-1/+1
These instructions should update the GPR indicated by the field RA instead of RT. This error caused a regression on Mac OS 9 boot and some graphical glitches in OS X. Fixes: a39a106634a9 ("target/ppc: Move load and store floating point instructions to decodetree") Reported-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br> Signed-off-by: Cédric Le Goater <clg@kaod.org>
2021-11-09target/ppc: Implement PLFS, PLFD, PSTFS and PSTFD instructionsFernando Eckhardt Valle1-0/+14
Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Fernando Eckhardt Valle <fernando.valle@eldorado.org.br> Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br> Message-Id: <20211029202424.175401-5-matheus.ferst@eldorado.org.br> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2021-11-09target/ppc: Move load and store floating point instructions to decodetreeFernando Eckhardt Valle1-176/+71
Move load floating point instructions (lfs, lfsu, lfsx, lfsux, lfd, lfdu, lfdx, lfdux) and store floating point instructions(stfs, stfsu, stfsx, stfsux, stfd, stfdu, stfdx, stfdux) from legacy system to decodetree. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Fernando Eckhardt Valle <fernando.valle@eldorado.org.br> Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br> Message-Id: <20211029202424.175401-4-matheus.ferst@eldorado.org.br> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2020-08-21meson: rename included C source files to .c.incPaolo Bonzini1-0/+1495
With Makefiles that have automatically generated dependencies, you generated includes are set as dependencies of the Makefile, so that they are built before everything else and they are available when first building the .c files. Alternatively you can use a fine-grained dependency, e.g. target/arm/translate.o: target/arm/decode-neon-shared.inc.c With Meson you have only one choice and it is a third option, namely "build at the beginning of the corresponding target"; the way you express it is to list the includes in the sources of that target. The problem is that Meson decides if something is a source vs. a generated include by looking at the extension: '.c', '.cc', '.m', '.C' are sources, while everything else is considered an include---including '.inc.c'. Use '.c.inc' to avoid this, as it is consistent with our other convention of using '.rst.inc' for included reStructuredText files. The editorconfig file is adjusted. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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