X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/18a076fccdba90cd7bea1dd4cff1b6b0559b75f0..4dab62b294f9af718b16641d6ba61eb15c96a536:/target/linux/lantiq/patches/809-mt-vpe.patch diff --git a/target/linux/lantiq/patches/809-mt-vpe.patch b/target/linux/lantiq/patches/809-mt-vpe.patch index 07312c774..5472d79b6 100644 --- a/target/linux/lantiq/patches/809-mt-vpe.patch +++ b/target/linux/lantiq/patches/809-mt-vpe.patch @@ -1,6 +1,6 @@ --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig -@@ -1669,6 +1669,28 @@ config MIPS_VPE_LOADER +@@ -1699,6 +1699,28 @@ Includes a loader for loading an elf relocatable object onto another VPE and running it. @@ -110,7 +110,7 @@ /* TCStatus fields (per TC) */ #define TCSTATUS_TASID (_ULCAST_(0xff)) #define TCSTATUS_IXMT_SHIFT 10 -@@ -350,6 +390,14 @@ do { \ +@@ -350,6 +390,14 @@ #define write_vpe_c0_vpecontrol(val) mttc0(1, 1, val) #define read_vpe_c0_vpeconf0() mftc0(1, 2) #define write_vpe_c0_vpeconf0(val) mttc0(1, 2, val) @@ -125,7 +125,7 @@ #define read_vpe_c0_count() mftc0(9, 0) #define write_vpe_c0_count(val) mttc0(9, 0, val) #define read_vpe_c0_status() mftc0(12, 0) -@@ -381,6 +429,12 @@ do { \ +@@ -381,6 +429,12 @@ #define write_tc_c0_tchalt(val) mttc0(2, 4, val) #define read_tc_c0_tccontext() mftc0(2, 5) #define write_tc_c0_tccontext(val) mttc0(2, 5, val) @@ -140,7 +140,7 @@ #define read_tc_gpr_sp() mftgpr(29) --- a/arch/mips/kernel/Makefile +++ b/arch/mips/kernel/Makefile -@@ -84,7 +84,8 @@ obj-$(CONFIG_MIPS32_O32) += binfmt_elfo3 +@@ -84,7 +84,8 @@ obj-$(CONFIG_KGDB) += kgdb.o obj-$(CONFIG_PROC_FS) += proc.o @@ -253,7 +253,7 @@ /* * Dump new MIPS MT state for the core. Does not leave TCs halted. -@@ -78,18 +147,18 @@ void mips_mt_regdump(unsigned long mvpct +@@ -78,18 +147,18 @@ if ((read_tc_c0_tcbind() & TCBIND_CURVPE) == i) { printk(" VPE %d\n", i); printk(" VPEControl : %08lx\n", @@ -279,7 +279,7 @@ break; /* Next VPE */ } } -@@ -287,6 +356,9 @@ void mips_mt_set_cpuoptions(void) +@@ -287,6 +356,9 @@ printk("Mapped %ld ITC cells starting at 0x%08x\n", ((itcblkgrn & 0x7fe00000) >> 20), itc_base); } @@ -299,7 +299,7 @@ #include #include #include -@@ -108,3 +109,19 @@ const struct seq_operations cpuinfo_op = +@@ -108,3 +109,19 @@ .stop = c_stop, .show = show_cpuinfo, }; @@ -321,7 +321,7 @@ +} --- a/arch/mips/kernel/smtc.c +++ b/arch/mips/kernel/smtc.c -@@ -1335,6 +1335,13 @@ void smtc_get_new_mmu_context(struct mm_ +@@ -1336,6 +1336,13 @@ asid = asid_cache(cpu); do { @@ -337,7 +337,7 @@ flush_icache_all(); --- a/arch/mips/kernel/vpe.c +++ b/arch/mips/kernel/vpe.c -@@ -77,6 +77,58 @@ static struct kspd_notifications kspd_ev +@@ -76,6 +76,58 @@ static int kspd_events_reqd; #endif @@ -396,7 +396,7 @@ /* grab the likely amount of memory we will need. */ #ifdef CONFIG_MIPS_VPE_LOADER_TOM #define P_SIZE (2 * 1024 * 1024) -@@ -269,6 +321,13 @@ static void *alloc_progmem(unsigned long +@@ -268,6 +320,13 @@ void *addr; #ifdef CONFIG_MIPS_VPE_LOADER_TOM @@ -410,7 +410,7 @@ /* * This means you must tell Linux to use less memory than you * physically have, for example by passing a mem= boot argument. -@@ -747,6 +806,12 @@ static int vpe_run(struct vpe * v) +@@ -746,6 +805,12 @@ } /* Write the address we want it to start running from in the TCPC register. */ @@ -423,7 +423,7 @@ write_tc_c0_tcrestart((unsigned long)v->__start); write_tc_c0_tccontext((unsigned long)0); -@@ -760,6 +825,20 @@ static int vpe_run(struct vpe * v) +@@ -759,6 +824,20 @@ write_tc_c0_tchalt(read_tc_c0_tchalt() & ~TCHALT_H); @@ -444,7 +444,7 @@ /* * The sde-kit passes 'memsize' to __start in $a3, so set something * here... Or set $a3 to zero and define DFLT_STACK_SIZE and -@@ -834,6 +913,9 @@ static int find_vpe_symbols(struct vpe * +@@ -833,6 +912,9 @@ if ( (v->__start == 0) || (v->shared_ptr == NULL)) return -1; @@ -454,7 +454,7 @@ return 0; } -@@ -995,6 +1077,15 @@ static int vpe_elfload(struct vpe * v) +@@ -994,6 +1076,15 @@ (unsigned long)v->load_addr + v->len); if ((find_vpe_symbols(v, sechdrs, symindex, strtab, &mod)) < 0) { @@ -470,7 +470,7 @@ if (v->__start == 0) { printk(KERN_WARNING "VPE loader: program does not contain " "a __start symbol\n"); -@@ -1065,6 +1156,9 @@ static int vpe_open(struct inode *inode, +@@ -1064,6 +1155,9 @@ struct vpe_notifications *not; struct vpe *v; int ret; @@ -480,7 +480,7 @@ if (minor != iminor(inode)) { /* assume only 1 device at the moment. */ -@@ -1091,14 +1185,23 @@ static int vpe_open(struct inode *inode, +@@ -1090,14 +1184,23 @@ cleanup_tc(get_tc(tclimit)); } @@ -504,7 +504,7 @@ #ifdef CONFIG_MIPS_APSP_KSPD /* get kspd to tell us when a syscall_exit happens */ -@@ -1351,6 +1454,133 @@ static void kspd_sp_exit( int sp_id) +@@ -1350,6 +1453,133 @@ cleanup_tc(get_tc(sp_id)); } #endif @@ -638,7 +638,7 @@ static ssize_t store_kill(struct device *dev, struct device_attribute *attr, const char *buf, size_t len) -@@ -1432,6 +1662,18 @@ static int __init vpe_module_init(void) +@@ -1431,6 +1661,18 @@ printk("VPE loader: not a MIPS MT capable processor\n"); return -ENODEV; } @@ -657,7 +657,7 @@ if (vpelimit == 0) { printk(KERN_WARNING "No VPEs reserved for AP/SP, not " -@@ -1476,10 +1718,12 @@ static int __init vpe_module_init(void) +@@ -1475,10 +1717,12 @@ mtflags = dmt(); vpflags = dvpe(); @@ -671,7 +671,7 @@ val = read_c0_mvpconf0(); hw_tcs = (val & MVPCONF0_PTC) + 1; -@@ -1491,6 +1735,7 @@ static int __init vpe_module_init(void) +@@ -1490,6 +1734,7 @@ * reschedule send IPIs or similar we might hang. */ clear_c0_mvpcontrol(MVPCONTROL_VPC); @@ -679,7 +679,7 @@ evpe(vpflags); emt(mtflags); local_irq_restore(flags); -@@ -1516,6 +1761,7 @@ static int __init vpe_module_init(void) +@@ -1515,6 +1760,7 @@ } v->ntcs = hw_tcs - tclimit; @@ -687,7 +687,7 @@ /* add the tc to the list of this vpe's tc's. */ list_add(&t->tc, &v->tc); -@@ -1584,6 +1830,7 @@ static int __init vpe_module_init(void) +@@ -1583,6 +1829,7 @@ out_reenable: /* release config state */ clear_c0_mvpcontrol(MVPCONTROL_VPC);