From 5b7c4cabbb65f5c469464da6c5f614cbd7f730f2 Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Tue, 21 Feb 2023 18:24:12 -0800 Subject: Merge tag 'net-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next Pull networking updates from Jakub Kicinski: "Core: - Add dedicated kmem_cache for typical/small skb->head, avoid having to access struct page at kfree time, and improve memory use. - Introduce sysctl to set default RPS configuration for new netdevs. - Define Netlink protocol specification format which can be used to describe messages used by each family and auto-generate parsers. Add tools for generating kernel data structures and uAPI headers. - Expose all net/core sysctls inside netns. - Remove 4s sleep in netpoll if carrier is instantly detected on boot. - Add configurable limit of MDB entries per port, and port-vlan. - Continue populating drop reasons throughout the stack. - Retire a handful of legacy Qdiscs and classifiers. Protocols: - Support IPv4 big TCP (TSO frames larger than 64kB). - Add IP_LOCAL_PORT_RANGE socket option, to control local port range on socket by socket basis. - Track and report in procfs number of MPTCP sockets used. - Support mixing IPv4 and IPv6 flows in the in-kernel MPTCP path manager. - IPv6: don't check net.ipv6.route.max_size and rely on garbage collection to free memory (similarly to IPv4). - Support Penultimate Segment Pop (PSP) flavor in SRv6 (RFC8986). - ICMP: add per-rate limit counters. - Add support for user scanning requests in ieee802154. - Remove static WEP support. - Support minimal Wi-Fi 7 Extremely High Throughput (EHT) rate reporting. - WiFi 7 EHT channel puncturing support (client & AP). BPF: - Add a rbtree data structure following the "next-gen data structure" precedent set by recently added linked list, that is, by using kfunc + kptr instead of adding a new BPF map type. - Expose XDP hints via kfuncs with initial support for RX hash and timestamp metadata. - Add BPF_F_NO_TUNNEL_KEY extension to bpf_skb_set_tunnel_key to better support decap on GRE tunnel devices not operating in collect metadata. - Improve x86 JIT's codegen for PROBE_MEM runtime error checks. - Remove the need for trace_printk_lock for bpf_trace_printk and bpf_trace_vprintk helpers. - Extend libbpf's bpf_tracing.h support for tracing arguments of kprobes/uprobes and syscall as a special case. - Significantly reduce the search time for module symbols by livepatch and BPF. - Enable cpumasks to be used as kptrs, which is useful for tracing programs tracking which tasks end up running on which CPUs in different time intervals. - Add support for BPF trampoline on s390x and riscv64. - Add capability to export the XDP features supported by the NIC. - Add __bpf_kfunc tag for marking kernel functions as kfuncs. - Add cgroup.memory=nobpf kernel parameter option to disable BPF memory accounting for container environments. Netfilter: - Remove the CLUSTERIP target. It has been marked as obsolete for years, and we still have WARN splats wrt races of the out-of-band /proc interface installed by this target. - Add 'destroy' commands to nf_tables. They are identical to the existing 'delete' commands, but do not return an error if the referenced object (set, chain, rule...) did not exist. Driver API: - Improve cpumask_local_spread() locality to help NICs set the right IRQ affinity on AMD platforms. - Separate C22 and C45 MDIO bus transactions more clearly. - Introduce new DCB table to control DSCP rewrite on egress. - Support configuration of Physical Layer Collision Avoidance (PLCA) Reconciliation Sublayer (RS) (802.3cg-2019). Modern version of shared medium Ethernet. - Support for MAC Merge layer (IEEE 802.3-2018 clause 99). Allowing preemption of low priority frames by high priority frames. - Add support for controlling MACSec offload using netlink SET. - Rework devlink instance refcounts to allow registration and de-registration under the instance lock. Split the code into multiple files, drop some of the unnecessarily granular locks and factor out common parts of netlink operation handling. - Add TX frame aggregation parameters (for USB drivers). - Add a new attr TCA_EXT_WARN_MSG to report TC (offload) warning messages with notifications for debug. - Allow offloading of UDP NEW connections via act_ct. - Add support for per action HW stats in TC. - Support hardware miss to TC action (continue processing in SW from a specific point in the action chain). - Warn if old Wireless Extension user space interface is used with modern cfg80211/mac80211 drivers. Do not support Wireless Extensions for Wi-Fi 7 devices at all. Everyone should switch to using nl80211 interface instead. - Improve the CAN bit timing configuration. Use extack to return error messages directly to user space, update the SJW handling, including the definition of a new default value that will benefit CAN-FD controllers, by increasing their oscillator tolerance. New hardware / drivers: - Ethernet: - nVidia BlueField-3 support (control traffic driver) - Ethernet support for imx93 SoCs - Motorcomm yt8531 gigabit Ethernet PHY - onsemi NCN26000 10BASE-T1S PHY (with support for PLCA) - Microchip LAN8841 PHY (incl. cable diagnostics and PTP) - Amlogic gxl MDIO mux - WiFi: - RealTek RTL8188EU (rtl8xxxu) - Qualcomm Wi-Fi 7 devices (ath12k) - CAN: - Renesas R-Car V4H Drivers: - Bluetooth: - Set Per Platform Antenna Gain (PPAG) for Intel controllers. - Ethernet NICs: - Intel (1G, igc): - support TSN / Qbv / packet scheduling features of i226 model - Intel (100G, ice): - use GNSS subsystem instead of TTY - multi-buffer XDP support - extend support for GPIO pins to E823 devices - nVidia/Mellanox: - update the shared buffer configuration on PFC commands - implement PTP adjphase function for HW offset control - TC support for Geneve and GRE with VF tunnel offload - more efficient crypto key management method - multi-port eswitch support - Netronome/Corigine: - add DCB IEEE support - support IPsec offloading for NFP3800 - Freescale/NXP (enetc): - support XDP_REDIRECT for XDP non-linear buffers - improve reconfig, avoid link flap and waiting for idle - support MAC Merge layer - Other NICs: - sfc/ef100: add basic devlink support for ef100 - ionic: rx_push mode operation (writing descriptors via MMIO) - bnxt: use the auxiliary bus abstraction for RDMA - r8169: disable ASPM and reset bus in case of tx timeout - cpsw: support QSGMII mode for J721e CPSW9G - cpts: support pulse-per-second output - ngbe: add an mdio bus driver - usbnet: optimize usbnet_bh() by avoiding unnecessary queuing - r8152: handle devices with FW with NCM support - amd-xgbe: support 10Mbps, 2.5GbE speeds and rx-adaptation - virtio-net: support multi buffer XDP - virtio/vsock: replace virtio_vsock_pkt with sk_buff - tsnep: XDP support - Ethernet high-speed switches: - nVidia/Mellanox (mlxsw): - add support for latency TLV (in FW control messages) - Microchip (sparx5): - separate explicit and implicit traffic forwarding rules, make the implicit rules always active - add support for egress DSCP rewrite - IS0 VCAP support (Ingress Classification) - IS2 VCAP filters (protos, L3 addrs, L4 ports, flags, ToS etc.) - ES2 VCAP support (Egress Access Control) - support for Per-Stream Filtering and Policing (802.1Q, 8.6.5.1) - Ethernet embedded switches: - Marvell (mv88e6xxx): - add MAB (port auth) offload support - enable PTP receive for mv88e6390 - NXP (ocelot): - support MAC Merge layer - support for the the vsc7512 internal copper phys - Microchip: - lan9303: convert to PHYLINK - lan966x: support TC flower filter statistics - lan937x: PTP support for KSZ9563/KSZ8563 and LAN937x - lan937x: support Credit Based Shaper configuration - ksz9477: support Energy Efficient Ethernet - other: - qca8k: convert to regmap read/write API, use bulk operations - rswitch: Improve TX timestamp accuracy - Intel WiFi (iwlwifi): - EHT (Wi-Fi 7) rate reporting - STEP equalizer support: transfer some STEP (connection to radio on platforms with integrated wifi) related parameters from the BIOS to the firmware. - Qualcomm 802.11ax WiFi (ath11k): - IPQ5018 support - Fine Timing Measurement (FTM) responder role support - channel 177 support - MediaTek WiFi (mt76): - per-PHY LED support - mt7996: EHT (Wi-Fi 7) support - Wireless Ethernet Dispatch (WED) reset support - switch to using page pool allocator - RealTek WiFi (rtw89): - support new version of Bluetooth co-existance - Mobile: - rmnet: support TX aggregation" * tag 'net-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1872 commits) page_pool: add a comment explaining the fragment counter usage net: ethtool: fix __ethtool_dev_mm_supported() implementation ethtool: pse-pd: Fix double word in comments xsk: add linux/vmalloc.h to xsk.c sefltests: netdevsim: wait for devlink instance after netns removal selftest: fib_tests: Always cleanup before exit net/mlx5e: Align IPsec ASO result memory to be as required by hardware net/mlx5e: TC, Set CT miss to the specific ct action instance net/mlx5e: Rename CHAIN_TO_REG to MAPPED_OBJ_TO_REG net/mlx5: Refactor tc miss handling to a single function net/mlx5: Kconfig: Make tc offload depend on tc skb extension net/sched: flower: Support hardware miss to tc action net/sched: flower: Move filter handle initialization earlier net/sched: cls_api: Support hardware miss to tc action net/sched: Rename user cookie and act cookie sfc: fix builds without CONFIG_RTC_LIB sfc: clean up some inconsistent indentings net/mlx4_en: Introduce flexible array to silence overflow warning net: lan966x: Fix possible deadlock inside PTP net/ulp: Remove redundant ->clone() test in inet_clone_ulp(). ... --- arch/hexagon/kernel/vm_entry.S | 380 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 380 insertions(+) create mode 100644 arch/hexagon/kernel/vm_entry.S (limited to 'arch/hexagon/kernel/vm_entry.S') diff --git a/arch/hexagon/kernel/vm_entry.S b/arch/hexagon/kernel/vm_entry.S new file mode 100644 index 000000000..554371d92 --- /dev/null +++ b/arch/hexagon/kernel/vm_entry.S @@ -0,0 +1,380 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Event entry/exit for Hexagon + * + * Copyright (c) 2010-2013, The Linux Foundation. All rights reserved. + */ + +#include /* assembly-safer versions of C defines */ +#include /* sigh, except for page_offset */ +#include +#include + +/* + * Entry into guest-mode Linux under Hexagon Virtual Machine. + * Stack pointer points to event record - build pt_regs on top of it, + * set up a plausible C stack frame, and dispatch to the C handler. + * On return, do vmrte virtual instruction with SP where we started. + * + * VM Spec 0.5 uses a trap to fetch HVM record now. + */ + +/* + * Save full register state, while setting up thread_info struct + * pointer derived from kernel stack pointer in THREADINFO_REG + * register, putting prior thread_info.regs pointer in a callee-save + * register (R24, which had better not ever be assigned to THREADINFO_REG), + * and updating thread_info.regs to point to current stack frame, + * so as to support nested events in kernel mode. + * + * As this is common code, we set the pt_regs system call number + * to -1 for all events. It will be replaced with the system call + * number in the case where we decode a system call (trap0(#1)). + */ + +#if CONFIG_HEXAGON_ARCH_VERSION < 4 +#define save_pt_regs()\ + memd(R0 + #_PT_R3130) = R31:30; \ + { memw(R0 + #_PT_R2928) = R28; \ + R31 = memw(R0 + #_PT_ER_VMPSP); }\ + { memw(R0 + #(_PT_R2928 + 4)) = R31; \ + R31 = ugp; } \ + { memd(R0 + #_PT_R2726) = R27:26; \ + R30 = gp ; } \ + memd(R0 + #_PT_R2524) = R25:24; \ + memd(R0 + #_PT_R2322) = R23:22; \ + memd(R0 + #_PT_R2120) = R21:20; \ + memd(R0 + #_PT_R1918) = R19:18; \ + memd(R0 + #_PT_R1716) = R17:16; \ + memd(R0 + #_PT_R1514) = R15:14; \ + memd(R0 + #_PT_R1312) = R13:12; \ + { memd(R0 + #_PT_R1110) = R11:10; \ + R15 = lc0; } \ + { memd(R0 + #_PT_R0908) = R9:8; \ + R14 = sa0; } \ + { memd(R0 + #_PT_R0706) = R7:6; \ + R13 = lc1; } \ + { memd(R0 + #_PT_R0504) = R5:4; \ + R12 = sa1; } \ + { memd(R0 + #_PT_GPUGP) = R31:30; \ + R11 = m1; \ + R2.H = #HI(_THREAD_SIZE); } \ + { memd(R0 + #_PT_LC0SA0) = R15:14; \ + R10 = m0; \ + R2.L = #LO(_THREAD_SIZE); } \ + { memd(R0 + #_PT_LC1SA1) = R13:12; \ + R15 = p3:0; \ + R2 = neg(R2); } \ + { memd(R0 + #_PT_M1M0) = R11:10; \ + R14 = usr; \ + R2 = and(R0,R2); } \ + { memd(R0 + #_PT_PREDSUSR) = R15:14; \ + THREADINFO_REG = R2; } \ + { r24 = memw(THREADINFO_REG + #_THREAD_INFO_PT_REGS); \ + memw(THREADINFO_REG + #_THREAD_INFO_PT_REGS) = R0; \ + R2 = #-1; } \ + { memw(R0 + #_PT_SYSCALL_NR) = R2; \ + R30 = #0; } +#else +/* V4+ */ +/* the # ## # syntax inserts a literal ## */ +#define save_pt_regs()\ + { memd(R0 + #_PT_R3130) = R31:30; \ + R30 = memw(R0 + #_PT_ER_VMPSP); }\ + { memw(R0 + #_PT_R2928) = R28; \ + memw(R0 + #(_PT_R2928 + 4)) = R30; }\ + { R31:30 = C11:10; \ + memd(R0 + #_PT_R2726) = R27:26; \ + memd(R0 + #_PT_R2524) = R25:24; }\ + { memd(R0 + #_PT_R2322) = R23:22; \ + memd(R0 + #_PT_R2120) = R21:20; }\ + { memd(R0 + #_PT_R1918) = R19:18; \ + memd(R0 + #_PT_R1716) = R17:16; }\ + { memd(R0 + #_PT_R1514) = R15:14; \ + memd(R0 + #_PT_R1312) = R13:12; \ + R17:16 = C13:12; }\ + { memd(R0 + #_PT_R1110) = R11:10; \ + memd(R0 + #_PT_R0908) = R9:8; \ + R15:14 = C1:0; } \ + { memd(R0 + #_PT_R0706) = R7:6; \ + memd(R0 + #_PT_R0504) = R5:4; \ + R13:12 = C3:2; } \ + { memd(R0 + #_PT_GPUGP) = R31:30; \ + memd(R0 + #_PT_LC0SA0) = R15:14; \ + R11:10 = C7:6; }\ + { THREADINFO_REG = and(R0, # ## #-_THREAD_SIZE); \ + memd(R0 + #_PT_LC1SA1) = R13:12; \ + R15 = p3:0; }\ + { memd(R0 + #_PT_M1M0) = R11:10; \ + memw(R0 + #_PT_PREDSUSR + 4) = R15; }\ + { r24 = memw(THREADINFO_REG + #_THREAD_INFO_PT_REGS); \ + memw(THREADINFO_REG + #_THREAD_INFO_PT_REGS) = R0; \ + R2 = #-1; } \ + { memw(R0 + #_PT_SYSCALL_NR) = R2; \ + memd(R0 + #_PT_CS1CS0) = R17:16; \ + R30 = #0; } +#endif + +/* + * Restore registers and thread_info.regs state. THREADINFO_REG + * is assumed to still be sane, and R24 to have been correctly + * preserved. Don't restore R29 (SP) until later. + */ + +#if CONFIG_HEXAGON_ARCH_VERSION < 4 +#define restore_pt_regs() \ + { memw(THREADINFO_REG + #_THREAD_INFO_PT_REGS) = R24; \ + R15:14 = memd(R0 + #_PT_PREDSUSR); } \ + { R11:10 = memd(R0 + #_PT_M1M0); \ + p3:0 = R15; } \ + { R13:12 = memd(R0 + #_PT_LC1SA1); \ + usr = R14; } \ + { R15:14 = memd(R0 + #_PT_LC0SA0); \ + m1 = R11; } \ + { R3:2 = memd(R0 + #_PT_R0302); \ + m0 = R10; } \ + { R5:4 = memd(R0 + #_PT_R0504); \ + lc1 = R13; } \ + { R7:6 = memd(R0 + #_PT_R0706); \ + sa1 = R12; } \ + { R9:8 = memd(R0 + #_PT_R0908); \ + lc0 = R15; } \ + { R11:10 = memd(R0 + #_PT_R1110); \ + sa0 = R14; } \ + { R13:12 = memd(R0 + #_PT_R1312); \ + R15:14 = memd(R0 + #_PT_R1514); } \ + { R17:16 = memd(R0 + #_PT_R1716); \ + R19:18 = memd(R0 + #_PT_R1918); } \ + { R21:20 = memd(R0 + #_PT_R2120); \ + R23:22 = memd(R0 + #_PT_R2322); } \ + { R25:24 = memd(R0 + #_PT_R2524); \ + R27:26 = memd(R0 + #_PT_R2726); } \ + R31:30 = memd(R0 + #_PT_GPUGP); \ + { R28 = memw(R0 + #_PT_R2928); \ + ugp = R31; } \ + { R31:30 = memd(R0 + #_PT_R3130); \ + gp = R30; } +#else +/* V4+ */ +#define restore_pt_regs() \ + { memw(THREADINFO_REG + #_THREAD_INFO_PT_REGS) = R24; \ + R15:14 = memd(R0 + #_PT_PREDSUSR); } \ + { R11:10 = memd(R0 + #_PT_M1M0); \ + R13:12 = memd(R0 + #_PT_LC1SA1); \ + p3:0 = R15; } \ + { R15:14 = memd(R0 + #_PT_LC0SA0); \ + R3:2 = memd(R0 + #_PT_R0302); \ + usr = R14; } \ + { R5:4 = memd(R0 + #_PT_R0504); \ + R7:6 = memd(R0 + #_PT_R0706); \ + C7:6 = R11:10; }\ + { R9:8 = memd(R0 + #_PT_R0908); \ + R11:10 = memd(R0 + #_PT_R1110); \ + C3:2 = R13:12; }\ + { R13:12 = memd(R0 + #_PT_R1312); \ + R15:14 = memd(R0 + #_PT_R1514); \ + C1:0 = R15:14; }\ + { R17:16 = memd(R0 + #_PT_R1716); \ + R19:18 = memd(R0 + #_PT_R1918); } \ + { R21:20 = memd(R0 + #_PT_R2120); \ + R23:22 = memd(R0 + #_PT_R2322); } \ + { R25:24 = memd(R0 + #_PT_R2524); \ + R27:26 = memd(R0 + #_PT_R2726); } \ + R31:30 = memd(R0 + #_PT_CS1CS0); \ + { C13:12 = R31:30; \ + R31:30 = memd(R0 + #_PT_GPUGP) ; \ + R28 = memw(R0 + #_PT_R2928); }\ + { C11:10 = R31:30; \ + R31:30 = memd(R0 + #_PT_R3130); } +#endif + + /* + * Clears off enough space for the rest of pt_regs; evrec is a part + * of pt_regs in HVM mode. Save R0/R1, set handler's address in R1. + * R0 is the address of pt_regs and is the parameter to save_pt_regs. + */ + +/* + * Since the HVM isn't automagically pushing the EVREC onto the stack anymore, + * we'll subract the entire size out and then fill it in ourselves. + * Need to save off R0, R1, R2, R3 immediately. + */ + +#if CONFIG_HEXAGON_ARCH_VERSION < 4 +#define vm_event_entry(CHandler) \ + { \ + R29 = add(R29, #-(_PT_REGS_SIZE)); \ + memd(R29 + #(_PT_R0100 + -_PT_REGS_SIZE)) = R1:0; \ + } \ + { \ + memd(R29 +#_PT_R0302) = R3:2; \ + } \ + trap1(#HVM_TRAP1_VMGETREGS); \ + { \ + memd(R29 + #_PT_ER_VMEL) = R1:0; \ + R0 = R29; \ + R1.L = #LO(CHandler); \ + } \ + { \ + memd(R29 + #_PT_ER_VMPSP) = R3:2; \ + R1.H = #HI(CHandler); \ + jump event_dispatch; \ + } +#else +/* V4+ */ +/* turn on I$ prefetch early */ +/* the # ## # syntax inserts a literal ## */ +#define vm_event_entry(CHandler) \ + { \ + R29 = add(R29, #-(_PT_REGS_SIZE)); \ + memd(R29 + #(_PT_R0100 + -_PT_REGS_SIZE)) = R1:0; \ + memd(R29 + #(_PT_R0302 + -_PT_REGS_SIZE)) = R3:2; \ + R0 = usr; \ + } \ + { \ + memw(R29 + #_PT_PREDSUSR) = R0; \ + R0 = setbit(R0, #16); \ + } \ + usr = R0; \ + R1:0 = G1:0; \ + { \ + memd(R29 + #_PT_ER_VMEL) = R1:0; \ + R1 = # ## #(CHandler); \ + R3:2 = G3:2; \ + } \ + { \ + R0 = R29; \ + memd(R29 + #_PT_ER_VMPSP) = R3:2; \ + jump event_dispatch; \ + } +#endif + +.text + /* + * Do bulk save/restore in one place. + * Adds a jump to dispatch latency, but + * saves hundreds of bytes. + */ + +event_dispatch: + save_pt_regs() + callr r1 + + /* + * Coming back from the C-world, our thread info pointer + * should be in the designated register (usually R19) + * + * If we were in kernel mode, we don't need to check scheduler + * or signals if CONFIG_PREEMPTION is not set. If set, then it has + * to jump to a need_resched kind of block. + * BTW, CONFIG_PREEMPTION is not supported yet. + */ + +#ifdef CONFIG_PREEMPTION + R0 = #VM_INT_DISABLE + trap1(#HVM_TRAP1_VMSETIE) +#endif + + /* "Nested control path" -- if the previous mode was kernel */ + { + R0 = memw(R29 + #_PT_ER_VMEST); + R26.L = #LO(do_work_pending); + } + { + P0 = tstbit(R0, #HVM_VMEST_UM_SFT); + if (!P0.new) jump:nt restore_all; + R26.H = #HI(do_work_pending); + R0 = #VM_INT_DISABLE; + } + + /* + * Check also the return from fork/system call, normally coming back from + * user mode + * + * R26 needs to have do_work_pending, and R0 should have VM_INT_DISABLE + */ + +check_work_pending: + /* Disable interrupts while checking TIF */ + trap1(#HVM_TRAP1_VMSETIE) + { + R0 = R29; /* regs should still be at top of stack */ + R1 = memw(THREADINFO_REG + #_THREAD_INFO_FLAGS); + callr R26; + } + + { + P0 = cmp.eq(R0, #0); if (!P0.new) jump:nt check_work_pending; + R0 = #VM_INT_DISABLE; + } + +restore_all: + /* + * Disable interrupts, if they weren't already, before reg restore. + * R0 gets preloaded with #VM_INT_DISABLE before we get here. + */ + trap1(#HVM_TRAP1_VMSETIE) + + /* do the setregs here for VM 0.5 */ + /* R29 here should already be pointing at pt_regs */ + { + R1:0 = memd(R29 + #_PT_ER_VMEL); + R3:2 = memd(R29 + #_PT_ER_VMPSP); + } +#if CONFIG_HEXAGON_ARCH_VERSION < 4 + trap1(#HVM_TRAP1_VMSETREGS); +#else + G1:0 = R1:0; + G3:2 = R3:2; +#endif + + R0 = R29 + restore_pt_regs() + { + R1:0 = memd(R29 + #_PT_R0100); + R29 = add(R29, #_PT_REGS_SIZE); + } + trap1(#HVM_TRAP1_VMRTE) + /* Notreached */ + + + .globl _K_enter_genex +_K_enter_genex: + vm_event_entry(do_genex) + + .globl _K_enter_interrupt +_K_enter_interrupt: + vm_event_entry(arch_do_IRQ) + + .globl _K_enter_trap0 +_K_enter_trap0: + vm_event_entry(do_trap0) + + .globl _K_enter_machcheck +_K_enter_machcheck: + vm_event_entry(do_machcheck) + + .globl _K_enter_debug +_K_enter_debug: + vm_event_entry(do_debug_exception) + + .globl ret_from_fork +ret_from_fork: + { + call schedule_tail + R26.H = #HI(do_work_pending); + } + { + P0 = cmp.eq(R24, #0); + R26.L = #LO(do_work_pending); + R0 = #VM_INT_DISABLE; + } + if (P0) jump check_work_pending + { + R0 = R25; + callr R24 + } + { + jump check_work_pending + R0 = #VM_INT_DISABLE; + } -- cgit v1.2.3