further prep for Wiz port. Cleanups, rm cpuctrl mmuhack; add warm

[libpicofe.git] / gp2x / mmuhack.c

diff --git a/gp2x/mmuhack.c b/gp2x/mmuhack.c
deleted file mode 100644 (file)
index c0c2189..0000000
--- a/gp2x/mmuhack.c
+++ /dev/null
@@ -1,104 +0,0 @@
-#include <linux/config.h>\r
-#include <linux/module.h>\r
-#include <linux/kernel.h>\r
-#include <linux/init.h>\r
-#include <linux/miscdevice.h>\r
-#include <asm/memory.h>\r
-\r
-#define MMUHACK_MINOR 225\r
-#define DEVICE_NAME "mmuhack"\r
-\r
-#if __GNUC__ == 3\r
-#include <linux/version.h>\r
-static const char __module_kernel_version_gcc3[] __attribute__((__used__)) __attribute__((section(".modinfo"))) =\r
-"kernel_version=" UTS_RELEASE;\r
-#endif\r
-\r
-static ssize_t mmuhack_open(struct inode *inode, struct file *filp)\r
-{\r
-    unsigned int *pgtable;\r
-       unsigned int *cpt;\r
-    int i, j;\r
-       int ttb;\r
-       int ret = -EFAULT;\r
-\r
-       // get the pointer to the translation table base...\r
-       asm volatile(\r
-               "stmdb sp!, {r0}\n\t"\r
-               "mrc p15, 0, r0, c2, c0, 0\n\t"\r
-               "mov %0, r0\n\t"\r
-               "ldmia sp!, {r0}\n\t": "=r"(ttb)\r
-       );\r
-\r
-       pgtable = __va(ttb);\r
-\r
-    for (i = 0; i < 4096; i ++) if ( (pgtable[i] & 3) == 1 ) {\r
-               cpt = __va(pgtable[i] & 0xfffffc00);\r
-\r
-               for (j = 0; j < 256; j ++) {/*\r
-                       if ( (cpt[j] & 0xfe00000f) == 0x02000002 ) {\r
-                               // set C and B bits in upper 32MB memory area...\r
-                               printk("Set C&B bits %08x\n",cpt[j]);\r
-                               cpt[j] |= 0xFFC;\r
-                               ret = 0;\r
-                       }\r
-                                          */\r
-                       if (((cpt[j] & 0xff000000) == 0x02000000) && ((cpt[j] & 12)==0) )\r
-                       {\r
-                               //printk("Set C&B bits %08x\n",cpt[j]);\r
-                               cpt[j] |= 0xFFC;\r
-                       }\r
-                       //if ((a>=0x31 && a<=0x36) && ((cpt[i] & 12)==0))\r
-                       if (((cpt[j] & 0xff000000) == 0x03000000) && ((cpt[j] & 12)==0))\r
-                       {\r
-                               //printk("Set C&B bits %08x\n",cpt[j]);\r
-                               //printf("SDL   c and b bits not set, overwriting\n");\r
-                               cpt[j] |= 0xFFC;\r
-                       }\r
-               }\r
-    }\r
-\r
-       // drain the write buffer and flush the tlb caches...\r
-       asm volatile(\r
-               "stmdb sp!, {r0}\n\t"\r
-               "mov    r0, #0\n\t"\r
-               "mcr    15, 0, r0, cr7, cr10, 4\n\t"\r
-               "mcr    15, 0, r0, cr8, cr7, 0\n\t"\r
-               "ldmia sp!, {r0}\n\t"\r
-       );\r
-\r
-       if (ret == 0)\r
-               printk("MMU hack applied.\n");\r
-\r
-       return 0;\r
-}\r
-\r
-static struct file_operations mmuhack_fops = {\r
-    owner:      THIS_MODULE,\r
-    open:       mmuhack_open,\r
-};\r
-\r
-\r
-static struct miscdevice mmuhack = {\r
-    MMUHACK_MINOR, DEVICE_NAME, &mmuhack_fops\r
-};\r
-\r
-static int __init mmuhack_init(void)\r
-{\r
-       misc_register(&mmuhack);\r
-/*\r
-       printk("MMSP2 MMU Hack module.\n");\r
-*/\r
-    return 0;\r
-}\r
-\r
-static void __exit mmuhack_exit(void)\r
-{\r
-    misc_deregister(&mmuhack);\r
-/*\r
-       printk(KERN_ALERT "MMU Hack module removed.\n");\r
-*/\r
-}\r
-\r
-module_init(mmuhack_init);\r
-module_exit(mmuhack_exit);\r