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2023-03-06target/arm: Implement gdbstub pauth extensionRichard Henderson
The extension is primarily defined by the Linux kernel NT_ARM_PAC_MASK ptrace register set. The original gdb feature consists of two masks, data and code, which are used to mask out the authentication code within a pointer. Following discussion with Luis Machado, add two more masks in order to support pointers within the high half of the address space (i.e. TTBR1 vs TTBR0). Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1105 Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20230227213329.793795-12-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-03-06target/arm: Create pauth_ptr_maskRichard Henderson
Keep the logic for pauth within pauth_helper.c, and expose a helper function for use with the gdbstub pac extension. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20230227213329.793795-11-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-03-06target/arm: Simplify iteration over bit widthsRichard Henderson
Order suf[] by the log8 of the width. Use ARRAY_SIZE instead of hard-coding 128. This changes the order of the union definitions, but retains the order of the union-of-union members. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20230227213329.793795-10-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-03-06target/arm: Add name argument to output_vector_union_typeRichard Henderson
This will make the function usable between SVE and SME. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20230227213329.793795-9-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-03-06target/arm: Fix svep width in arm_gen_dynamic_svereg_xmlRichard Henderson
Define svep based on the size of the predicates, not the primary vector registers. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20230227213329.793795-8-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-03-06target/arm: Hoist pred_width in arm_gen_dynamic_svereg_xmlRichard Henderson
Reviewed-by: Fabiano Rosas <farosas@suse.de> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20230227213329.793795-7-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-03-06target/arm: Simplify register counting in arm_gen_dynamic_svereg_xmlRichard Henderson
Rather than increment base_reg and num, compute num from the change to base_reg at the end. Clean up some nearby comments. Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20230227213329.793795-6-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-03-06target/arm: Split out output_vector_union_typeRichard Henderson
Create a subroutine for creating the union of unions of the various type sizes that a vector may contain. Reviewed-by: Fabiano Rosas <farosas@suse.de> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20230227213329.793795-5-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-03-06target/arm: Move arm_gen_dynamic_svereg_xml to gdbstub64.cRichard Henderson
The function is only used for aarch64, so move it to the file that has the other aarch64 gdbstub stuff. Move the declaration to internals.h. Reviewed-by: Fabiano Rosas <farosas@suse.de> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20230227213329.793795-4-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-03-06target/arm: Unexport arm_gen_dynamic_sysreg_xmlRichard Henderson
This function is not used outside gdbstub.c. Reviewed-by: Fabiano Rosas <farosas@suse.de> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20230227213329.793795-3-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-03-06target/arm: Normalize aarch64 gdbstub get/set function namesRichard Henderson
Make the form of the function names between fp and sve the same: - arm_gdb_*_svereg -> aarch64_gdb_*_sve_reg. - aarch64_fpu_gdb_*_reg -> aarch64_gdb_*_fpu_reg. Reviewed-by: Fabiano Rosas <farosas@suse.de> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20230227213329.793795-2-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-03-05target/riscv: cpu: Implement get_arch_id callbackMayuresh Chitale
Implement the callback for getting the architecture-dependent CPU ID ie mhartid. Signed-off-by: Mayuresh Chitale <mchitale@ventanamicro.com> Signed-off-by: Anup Patel <apatel@ventanamicro.com> Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com> Message-ID: <20230303065055.915652-2-mchitale@ventanamicro.com> Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2023-03-05target/xtensa: Avoid tcg_const_i32Richard Henderson
All remaining uses are strictly read-only. Reviewed-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/xtensa: Split constant in bit shiftRichard Henderson
Reviewed-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/xtensa: Use tcg_gen_subfi_i32 in translate_sllRichard Henderson
Reviewed-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/xtensa: Avoid tcg_const_i32 in translate_l32rRichard Henderson
Use addi on the addition side and tcg_constant_i32 on the other. Reviewed-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/xtensa: Tidy translate_clampsRichard Henderson
All writes to arg[0].out; use tcg_constant_i32. Reviewed-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/xtensa: Tidy translate_bbRichard Henderson
Replace ifdefs with C, tcg_const_i32 with tcg_constant_i32. We only need a single temporary for this. Reviewed-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/sparc: Avoid tcg_const_{tl,i32}Richard Henderson
All remaining uses are strictly read-only. Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/s390x: Split out gen_ri2Richard Henderson
Use tcg_constant_i64. Adjust in2_mri2_* to allocate a new temporary for the output, using gen_ri2 for the address. Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/riscv: Avoid tcg_const_*Richard Henderson
All uses are strictly read-only. Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/microblaze: Avoid tcg_const_* throughoutRichard Henderson
All uses are strictly read-only. Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/i386: Simplify POPFRichard Henderson
Compute the eflags write mask separately, leaving one call to the helper. Use tcg_constant_i32. Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/hexagon/idef-parser: Use gen_constant for gen_extend_tcg_width_opRichard Henderson
We already have a temporary, res, which we can use for the intermediate shift result. Simplify the constant to -1 instead of 0xf*f. This was the last use of gen_tmp_value, so remove it. Reviewed-by: Taylor Simpson <tsimpson@quicinc.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/hexagon/idef-parser: Use gen_tmp for gen_rvalue_predRichard Henderson
The allocation is immediately followed by either tcg_gen_mov_i32 or gen_read_preg (which contains tcg_gen_mov_i32), so the zero initialization is immediately discarded. Reviewed-by: Taylor Simpson <tsimpson@quicinc.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/hexagon/idef-parser: Use gen_tmp for gen_pred_assignRichard Henderson
The allocation is immediately followed by tcg_gen_mov_i32, so the initial assignment of zero is discarded. Reviewed-by: Taylor Simpson <tsimpson@quicinc.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/hexagon/idef-parser: Use gen_tmp for LPCFGRichard Henderson
The GET_USR_FIELD macro initializes the output, so the initial assignment of zero is discarded. This is the only use of get_tmp_value outside of parser-helper.c, so make it static. Reviewed-by: Taylor Simpson <tsimpson@quicinc.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/hexagon: Use tcg_constant_* for gen_constant_from_immRichard Henderson
Rename from gen_tmp_value_from_imm to match gen_constant vs gen_tmp. Reviewed-by: Taylor Simpson <tsimpson@quicinc.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/tricore: Drop tcg_temp_freeRichard Henderson
Translators are no longer required to free tcg temporaries. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/mips: Fix trans_mult_acc returnRichard Henderson
Success from trans_* subroutines should be true. Fixes: 5fa38eedbd ("target/mips: Convert Vr54xx MACC* opcodes to decodetree") Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/mips: Drop tcg_temp_free from mips16e_translate.c.incRichard Henderson
Translators are no longer required to free tcg temporaries. Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/i386: Drop tcg_temp_freeRichard Henderson
Translators are no longer required to free tcg temporaries. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/xtensa: Drop tcg_temp_freeRichard Henderson
Translators are no longer required to free tcg temporaries. Reviewed-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/xtensa: Drop reset_sar_trackerRichard Henderson
Translators are no longer required to free tcg temporaries. Remove sar_m32_allocated, as sar_m32 non-null is equivalent. Reviewed-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/sparc: Drop tcg_temp_freeRichard Henderson
Translators are no longer required to free tcg temporaries. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/sparc: Drop free_compareRichard Henderson
Translators are no longer required to free tcg temporaries. Remove the g1 and g2 members of DisasCompare, as they were used to track which temps needed to be freed. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/sparc: Remove egress label in disas_sparc_contextRichard Henderson
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/sparc: Drop get_temp_i32Richard Henderson
Translators are no longer required to free tcg temporaries, therefore there's no need to record temps for later freeing. Replace the few uses with tcg_temp_new_i32. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/sparc: Drop get_temp_tlRichard Henderson
Translators are no longer required to free tcg temporaries, therefore there's no need to record temps for later freeing. Replace the few uses with tcg_temp_new. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/sh4: Drop tcg_temp_freeRichard Henderson
Translators are no longer required to free tcg temporaries. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/rx: Drop tcg_temp_freeRichard Henderson
Translators are no longer required to free tcg temporaries. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/riscv: Drop tcg_temp_freeRichard Henderson
Translators are no longer required to free tcg temporaries. Reviewed-by: Weiwei Li <liweiwei@iscas.ac.cn> Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/riscv: Drop temp_newRichard Henderson
Translators are no longer required to free tcg temporaries, therefore there's no need to record temps for later freeing. Replace the few uses with tcg_temp_new. Reviewed-by: Weiwei Li <liweiwei@iscas.ac.cn> Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/riscv: Drop ftemp_newRichard Henderson
Translators are no longer required to free tcg temporaries, therefore there's no need to record temps for later freeing. Replace the few uses with tcg_temp_new_i64. Reviewed-by: Weiwei Li <liweiwei@iscas.ac.cn> Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/ppc: Drop tcg_temp_freeRichard Henderson
Translators are no longer required to free tcg temporaries. Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/openrisc: Drop tcg_temp_freeRichard Henderson
Translators are no longer required to free tcg temporaries. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/nios2: Drop tcg_temp_freeRichard Henderson
Translators are no longer required to free tcg temporaries. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/microblaze: Drop tcg_temp_freeRichard Henderson
Translators are no longer required to free tcg temporaries. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/m68k: Drop tcg_temp_freeRichard Henderson
Translators are no longer required to free tcg temporaries. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/m68k: Drop free_condRichard Henderson
Translators are no longer required to free tcg temporaries. Remove the g1 and g2 members of DisasCompare, as they were used to track which temps needed to be freed. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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