使用QEMU建立Mini2440的模拟环境(2)

git clone git://repo.or.cz/qemu/mini2440.git qemu

修改启动部分为ram的最小地址直接启动 [cpp] view plaincopy 1. 2. 3. 4. 5. 6. 7. 8. 9. ricky@ricky-laptop:~/ecos/projects/mini2440-qemu/mini2440$ git diff diff --git a/hw/mini2440.c b/hw/mini2440.c index 5decf4b..7a70aae 100644 --- a/hw/mini2440.c +++ b/hw/mini2440.c @@ -258,46 +258,15 @@ static void mini2440_reset(void *opaque) struct mini2440_board_s *s = (struct mini2440_board_s *) opaque; uint32_t image_size; 10. - /* 11. - * Normally we would load 4 KB of nand to SRAM and jump there, but 12. - * it is not working perfectly as expected, so we cheat and load 13. - * it from nand directly relocated to 0x33f80000 and jump there 14. - */ 15. - if (mini2440_load_from_nand(s->nand, 0, S3C_RAM_BASE | 0x03f80000, 256*1 16. - mini2440_printf(\); 17. - s->cpu->env->regs[15] = S3C_RAM_BASE | 0x03f80000; /* start addr 18. - } 19. -#if 0 && defined(LATER) 20. - if (mini2440_load_from_nand(s->nand, 0, S3C_SRAM_BASE_NANDBOOT, S3C_SRAM 21. - s->cpu->env->regs[15] = S3C_SRAM_BASE_NANDBOOT; /* start address 22. - mini2440_printf(\ 23. - } 24. -#endif 25. : 26. diff --git a/hw/mini2440.c b/hw/mini2440.c 27. index 5decf4b..7a70aae 100644 28. --- a/hw/mini2440.c 29. +++ b/hw/mini2440.c 30. @@ -258,46 +258,15 @@ static void mini2440_reset(void *opaque) 31. struct mini2440_board_s *s = (struct mini2440_board_s *) opaque; 32. uint32_t image_size; 33. 34. - /* 35. - * Normally we would load 4 KB of nand to SRAM and jump there, but 36. - * it is not working perfectly as expected, so we cheat and load 37. - * it from nand directly relocated to 0x33f80000 and jump there 38. - */

39. - if (mini2440_load_from_nand(s->nand, 0, S3C_RAM_BASE | 0x03f80000, 256*10 40. - mini2440_printf(\); 41. - s->cpu->env->regs[15] = S3C_RAM_BASE | 0x03f80000; /* start addre 42. - } 43. -#if 0 && defined(LATER) 44. - if (mini2440_load_from_nand(s->nand, 0, S3C_SRAM_BASE_NANDBOOT, S3C_SRAM_ 45. - s->cpu->env->regs[15] = S3C_SRAM_BASE_NANDBOOT; /* start address, 46. - mini2440_printf(\ 47. - } 48. -#endif 49. - /* 50. : 51. diff --git a/hw/mini2440.c b/hw/mini2440.c 52. index 5decf4b..7a70aae 100644 53. --- a/hw/mini2440.c 54. +++ b/hw/mini2440.c 55. @@ -258,46 +258,15 @@ static void mini2440_reset(void *opaque) 56. struct mini2440_board_s *s = (struct mini2440_board_s *) opaque; 57. uint32_t image_size; 58. 59. - /* 60. - * Normally we would load 4 KB of nand to SRAM and jump there, but 61. - * it is not working perfectly as expected, so we cheat and load 62. - * it from nand directly relocated to 0x33f80000 and jump there 63. - */ 64. - if (mini2440_load_from_nand(s->nand, 0, S3C_RAM_BASE | 0x03f80000, 256*102 65. - mini2440_printf(\); 66. - s->cpu->env->regs[15] = S3C_RAM_BASE | 0x03f80000; /* start addres 67. - } 68. -#if 0 && defined(LATER) 69. - if (mini2440_load_from_nand(s->nand, 0, S3C_SRAM_BASE_NANDBOOT, S3C_SRAM_S 70. - s->cpu->env->regs[15] = S3C_SRAM_BASE_NANDBOOT; /* start address, 71. - mini2440_printf(\ 72. - } 73. -#endif 74. - /* 75. - * if a u--boot is available as a file, we always use it 76. : 77. diff --git a/hw/mini2440.c b/hw/mini2440.c 78. index 5decf4b..7a70aae 100644 79. --- a/hw/mini2440.c 80. +++ b/hw/mini2440.c 81. @@ -258,46 +258,15 @@ static void mini2440_reset(void *opaque) 82. struct mini2440_board_s *s = (struct mini2440_board_s *) opaque;

83. uint32_t image_size; 84. 85. - /* 86. - * Normally we would load 4 KB of nand to SRAM and jump there, but 87. - * it is not working perfectly as expected, so we cheat and load 88. - * it from nand directly relocated to 0x33f80000 and jump there 89. - */ 90. - if (mini2440_load_from_nand(s->nand, 0, S3C_RAM_BASE | 0x03f80000, 256*1024)> 91. - mini2440_printf(\); 92. - s->cpu->env->regs[15] = S3C_RAM_BASE | 0x03f80000; /* start address, 93. - } 94. -#if 0 && defined(LATER) 95. - if (mini2440_load_from_nand(s->nand, 0, S3C_SRAM_BASE_NANDBOOT, S3C_SRAM_SIZE 96. - s->cpu->env->regs[15] = S3C_SRAM_BASE_NANDBOOT; /* start address, u-b 97. - mini2440_printf(\ 98. - } 99. -#endif 100. - /* 101. - * if a u--boot is available as a file, we always use it 102. - */ 103. - { 104. - image_size = load_image(\, qemu_get_ram_ptr(0x03f8000 105. : 106. diff --git a/hw/mini2440.c b/hw/mini2440.c 107. index 5decf4b..7a70aae 100644 108. --- a/hw/mini2440.c 109. +++ b/hw/mini2440.c 110. @@ -258,46 +258,15 @@ static void mini2440_reset(void *opaque) 111. struct mini2440_board_s *s = (struct mini2440_board_s *) opaque; 112. uint32_t image_size; 113. 114. - /* 115. - * Normally we would load 4 KB of nand to SRAM and jump there, but 116. - * it is not working perfectly as expected, so we cheat and load 117. - * it from nand directly relocated to 0x33f80000 and jump there 118. - */ 119. - if (mini2440_load_from_nand(s->nand, 0, S3C_RAM_BASE | 0x03f80000, 256*1024)> 0) 120. - mini2440_printf(\); 121. - s->cpu->env->regs[15] = S3C_RAM_BASE | 0x03f80000; /* start address, u-b 122. - } 123. -#if 0 && defined(LATER) 124. - if (mini2440_load_from_nand(s->nand, 0, S3C_SRAM_BASE_NANDBOOT, S3C_SRAM_SIZE) > 125. - s->cpu->env->regs[15] = S3C_SRAM_BASE_NANDBOOT; /* s …… 此处隐藏：3113字，全部文档内容请下载后查看。喜欢就下载吧 ……