arch/powerpc/platforms/8xx/micropatch.c

Source file repositories/reference/linux-study-clean/arch/powerpc/platforms/8xx/micropatch.c

File Facts

System
Linux kernel
Corpus path
arch/powerpc/platforms/8xx/micropatch.c
Extension
.c
Size
13995 bytes
Lines
389
Domain
Architecture Layer
Bucket
arch/powerpc
Inferred role
Architecture Layer: implementation source
Status
source implementation candidate

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

struct patch_params {
	ushort rccr;
	ushort cpmcr1;
	ushort cpmcr2;
	ushort cpmcr3;
	ushort cpmcr4;
};

/*
 * I2C/SPI relocation patch arrays.
 */

#ifdef CONFIG_I2C_SPI_UCODE_PATCH

static char patch_name[] __initdata = "I2C/SPI";

static struct patch_params patch_params __initdata = {
	1, 0x802a, 0x8028, 0x802e, 0x802c,
};

static uint patch_2000[] __initdata = {
	0x7FFFEFD9, 0x3FFD0000, 0x7FFB49F7, 0x7FF90000,
	0x5FEFADF7, 0x5F89ADF7, 0x5FEFAFF7, 0x5F89AFF7,
	0x3A9CFBC8, 0xE7C0EDF0, 0x77C1E1BB, 0xF4DC7F1D,
	0xABAD932F, 0x4E08FDCF, 0x6E0FAFF8, 0x7CCF76CF,
	0xFD1FF9CF, 0xABF88DC6, 0xAB5679F7, 0xB0937383,
	0xDFCE79F7, 0xB091E6BB, 0xE5BBE74F, 0xB3FA6F0F,
	0x6FFB76CE, 0xEE0DF9CF, 0x2BFBEFEF, 0xCFEEF9CF,
	0x76CEAD24, 0x90B2DF9A, 0x7FDDD0BF, 0x4BF847FD,
	0x7CCF76CE, 0xCFEF7E1F, 0x7F1D7DFD, 0xF0B6EF71,
	0x7FC177C1, 0xFBC86079, 0xE722FBC8, 0x5FFFDFFF,
	0x5FB2FFFB, 0xFBC8F3C8, 0x94A67F01, 0x7F1D5F39,
	0xAFE85F5E, 0xFFDFDF96, 0xCB9FAF7D, 0x5FC1AFED,
	0x8C1C5FC1, 0xAFDD5FC3, 0xDF9A7EFD, 0xB0B25FB2,
	0xFFFEABAD, 0x5FB2FFFE, 0x5FCE600B, 0xE6BB600B,
	0x5FCEDFC6, 0x27FBEFDF, 0x5FC8CFDE, 0x3A9CE7C0,
	0xEDF0F3C8, 0x7F0154CD, 0x7F1D2D3D, 0x363A7570,
	0x7E0AF1CE, 0x37EF2E68, 0x7FEE10EC, 0xADF8EFDE,
	0xCFEAE52F, 0x7D0FE12B, 0xF1CE5F65, 0x7E0A4DF8,
	0xCFEA5F72, 0x7D0BEFEE, 0xCFEA5F74, 0xE522EFDE,
	0x5F74CFDA, 0x0B627385, 0xDF627E0A, 0x30D8145B,
	0xBFFFF3C8, 0x5FFFDFFF, 0xA7F85F5E, 0xBFFE7F7D,
	0x10D31450, 0x5F36BFFF, 0xAF785F5E, 0xBFFDA7F8,
	0x5F36BFFE, 0x77FD30C0, 0x4E08FDCF, 0xE5FF6E0F,
	0xAFF87E1F, 0x7E0FFD1F, 0xF1CF5F1B, 0xABF80D5E,
	0x5F5EFFEF, 0x79F730A2, 0xAFDD5F34, 0x47F85F34,
	0xAFED7FDD, 0x50B24978, 0x47FD7F1D, 0x7DFD70AD,
	0xEF717EC1, 0x6BA47F01, 0x2D267EFD, 0x30DE5F5E,
	0xFFFD5F5E, 0xFFEF5F5E, 0xFFDF0CA0, 0xAFED0A9E,
	0xAFDD0C3A, 0x5F3AAFBD, 0x7FBDB082, 0x5F8247F8
};

static uint patch_2f00[] __initdata = {
	0x3E303430, 0x34343737, 0xABF7BF9B, 0x994B4FBD,
	0xBD599493, 0x349FFF37, 0xFB9B177D, 0xD9936956,
	0xBBFDD697, 0xBDD2FD11, 0x31DB9BB3, 0x63139637,
	0x93733693, 0x193137F7, 0x331737AF, 0x7BB9B999,
	0xBB197957, 0x7FDFD3D5, 0x73B773F7, 0x37933B99,
	0x1D115316, 0x99315315, 0x31694BF4, 0xFBDBD359,
	0x31497353, 0x76956D69, 0x7B9D9693, 0x13131979,
	0x79376935
};

static uint patch_2e00[] __initdata = {};
#endif

/*
 * I2C/SPI/SMC1 relocation patch arrays.
 */

#ifdef CONFIG_I2C_SPI_SMC1_UCODE_PATCH

static char patch_name[] __initdata = "I2C/SPI/SMC1";

static struct patch_params patch_params __initdata = {
	3, 0x8080, 0x808a, 0x8028, 0x802a,
};

static uint patch_2000[] __initdata = {
	0x3fff0000, 0x3ffd0000, 0x3ffb0000, 0x3ff90000,
	0x5f13eff8, 0x5eb5eff8, 0x5f88adf7, 0x5fefadf7,
	0x3a9cfbc8, 0x77cae1bb, 0xf4de7fad, 0xabae9330,
	0x4e08fdcf, 0x6e0faff8, 0x7ccf76cf, 0xfdaff9cf,
	0xabf88dc8, 0xab5879f7, 0xb0925d8d, 0xdfd079f7,
	0xb090e6bb, 0xe5bbe74f, 0x9e046f0f, 0x6ffb76ce,
	0xee0cf9cf, 0x2bfbefef, 0xcfeef9cf, 0x76cead23,
	0x90b3df99, 0x7fddd0c1, 0x4bf847fd, 0x7ccf76ce,
	0xcfef77ca, 0x7eaf7fad, 0x7dfdf0b7, 0xef7a7fca,
	0x77cafbc8, 0x6079e722, 0xfbc85fff, 0xdfff5fb3,
	0xfffbfbc8, 0xf3c894a5, 0xe7c9edf9, 0x7f9a7fad,

Annotation

Implementation Notes