修改4g拨号为QMI,需要在系统里后台执行quectel-CM

hc

2024-10-22 8ac6c7a54ed1b98d142dce24b11c6de6a1e239a5

 kernel/arch/xtensa/kernel/setup.c
..
..
@@ -37,7 +37,6 @@
37
37
 #include <asm/bootparam.h>
38
38
 #include <asm/kasan.h>
39
39
 #include <asm/mmu_context.h>
40
-#include <asm/pgtable.h>
41
40
 #include <asm/processor.h>
42
41
 #include <asm/timex.h>
43
42
 #include <asm/platform.h>
..
..
@@ -61,7 +60,6 @@
61
60
 #ifdef CONFIG_BLK_DEV_INITRD
62
61
 extern unsigned long initrd_start;
63
62
 extern unsigned long initrd_end;
64
-int initrd_is_mapped = 0;
65
63
 extern int initrd_below_start_ok;
66
64
 #endif
67
65
 
..
..
@@ -95,7 +93,7 @@
95
93
 } tagtable_t;
96
94
 
97
95
 #define __tagtable(tag, fn) static tagtable_t __tagtable_##fn 		\
98
-	__attribute__((used, section(".taglist"))) = { tag, fn }
96
+	__section(".taglist") __attribute__((used)) = { tag, fn }
99
97
 
100
98
 /* parse current tag */
101
99
 
..
..
@@ -285,6 +283,8 @@
285
283
 extern char _UserExceptionVector_text_end;
286
284
 extern char _DoubleExceptionVector_text_start;
287
285
 extern char _DoubleExceptionVector_text_end;
286
+extern char _exception_text_start;
287
+extern char _exception_text_end;
288
288
 #if XCHAL_EXCM_LEVEL >= 2
289
289
 extern char _Level2InterruptVector_text_start;
290
290
 extern char _Level2InterruptVector_text_end;
..
..
@@ -309,6 +309,10 @@
309
309
 extern char _SecondaryResetVector_text_start;
310
310
 extern char _SecondaryResetVector_text_end;
311
311
 #endif
312
+#ifdef CONFIG_XIP_KERNEL
313
+extern char _xip_start[];
314
+extern char _xip_end[];
315
+#endif
312
316
 
313
317
 static inline int __init_memblock mem_reserve(unsigned long start,
314
318
 					      unsigned long end)
..
..
@@ -319,9 +323,9 @@
319
323
 void __init setup_arch(char **cmdline_p)
320
324
 {
321
325
 	pr_info("config ID: %08x:%08x\n",
322
-		get_sr(SREG_EPC), get_sr(SREG_EXCSAVE));
323
-	if (get_sr(SREG_EPC) != XCHAL_HW_CONFIGID0 ||
324
-	    get_sr(SREG_EXCSAVE) != XCHAL_HW_CONFIGID1)
326
+		xtensa_get_sr(SREG_EPC), xtensa_get_sr(SREG_EXCSAVE));
327
+	if (xtensa_get_sr(SREG_EPC) != XCHAL_HW_CONFIGID0 ||
328
+	    xtensa_get_sr(SREG_EXCSAVE) != XCHAL_HW_CONFIGID1)
325
329
 		pr_info("built for config ID: %08x:%08x\n",
326
330
 			XCHAL_HW_CONFIGID0, XCHAL_HW_CONFIGID1);
327
331
 
..
..
@@ -332,18 +336,19 @@
332
336
 	/* Reserve some memory regions */
333
337
 
334
338
 #ifdef CONFIG_BLK_DEV_INITRD
335
-	if (initrd_start < initrd_end) {
336
-		initrd_is_mapped = mem_reserve(__pa(initrd_start),
337
-					       __pa(initrd_end)) == 0;
339
+	if (initrd_start < initrd_end &&
340
+	    !mem_reserve(__pa(initrd_start), __pa(initrd_end)))
338
341
 		initrd_below_start_ok = 1;
339
-	} else {
342
+	else
340
343
 		initrd_start = 0;
341
-	}
342
344
 #endif
343
345
 
344
346
 	mem_reserve(__pa(_stext), __pa(_end));
347
+#ifdef CONFIG_XIP_KERNEL
348
+	mem_reserve(__pa(_xip_start), __pa(_xip_end));
349
+#endif
345
350
 
346
-#ifdef CONFIG_VECTORS_OFFSET
351
+#ifdef CONFIG_VECTORS_ADDR
347
352
 	mem_reserve(__pa(&_WindowVectors_text_start),
348
353
 		    __pa(&_WindowVectors_text_end));
349
354
 
..
..
@@ -359,6 +364,8 @@
359
364
 	mem_reserve(__pa(&_DoubleExceptionVector_text_start),
360
365
 		    __pa(&_DoubleExceptionVector_text_end));
361
366
 
367
+	mem_reserve(__pa(&_exception_text_start),
368
+		    __pa(&_exception_text_end));
362
369
 #if XCHAL_EXCM_LEVEL >= 2
363
370
 	mem_reserve(__pa(&_Level2InterruptVector_text_start),
364
371
 		    __pa(&_Level2InterruptVector_text_end));
..
..
@@ -380,7 +387,7 @@
380
387
 		    __pa(&_Level6InterruptVector_text_end));
381
388
 #endif
382
389
 
383
-#endif /* CONFIG_VECTORS_OFFSET */
390
+#endif /* CONFIG_VECTORS_ADDR */
384
391
 
385
392
 #ifdef CONFIG_SMP
386
393
 	mem_reserve(__pa(&_SecondaryResetVector_text_start),
..
..
@@ -401,13 +408,7 @@
401
408
 #ifdef CONFIG_VT
402
409
 # if defined(CONFIG_VGA_CONSOLE)
403
410
 	conswitchp = &vga_con;
404
-# elif defined(CONFIG_DUMMY_CONSOLE)
405
-	conswitchp = &dummy_con;
406
411
 # endif
407
-#endif
408
-
409
-#ifdef CONFIG_PCI
410
-	platform_pcibios_init();
411
412
 #endif
412
413
 }
413
414
 
..
..
@@ -598,7 +599,7 @@
598
599
 		      num_online_cpus(),
599
600
 		      cpumask_pr_args(cpu_online_mask),
600
601
 		      XCHAL_BUILD_UNIQUE_ID,
601
-		      get_sr(SREG_EPC), get_sr(SREG_EXCSAVE),
602
+		      xtensa_get_sr(SREG_EPC), xtensa_get_sr(SREG_EXCSAVE),
602
603
 		      XCHAL_HAVE_BE ?  "big" : "little",
603
604
 		      ccount_freq/1000000,
604
605
 		      (ccount_freq/10000) % 100,
..
..
@@ -653,6 +654,9 @@
653
654
 #if XCHAL_HAVE_S32C1I
654
655
 		     "s32c1i "
655
656
 #endif
657
+#if XCHAL_HAVE_EXCLUSIVE
658
+		     "exclusive "
659
+#endif
656
660
 		     "\n");
657
661
 
658
662
 	/* Registers. */