Changeset 2944 for trunk/kLdr/kLdr.c

Timestamp:

Jan 13, 2007, 4:55:40 PM (19 years ago)

Author:

bird

Message:

split up kLdrHlp.c and kLdr.c to make it more flexible (like using the module interpreters without the dynamic loader bit and similar).

File:

• trunk/kLdr/kLdr.c (modified) (1 diff)

trunk/kLdr/kLdr.c

@@ -142 +142 @@
 }
 
-
-/**
- * Compares arch+cpu some code was generated for with a arch+cpu for executing it
- * to see if it'll work out fine or not.
- *
- * @returns 0 if the code is compatible with the cpu.
- * @returns KLDR_ERR_ARCH_CPU_NOT_COMPATIBLE if the arch+cpu isn't compatible with the code.
- * @param   enmCodeArch The architecture the code was generated for.
- * @param   enmCodeCpu  The cpu the code was generated for.
- * @param   enmArch     The architecture to run it on.
- * @param   enmCpu      The cpu to run it on.
- */
-int kLdrCompareCpus(KLDRARCH enmCodeArch, KLDRCPU enmCodeCpu, KLDRARCH enmArch, KLDRCPU enmCpu)
-{
-    /*
-     * Compare arch and cpu.
-     */
-    if (enmCodeArch != enmArch)
-        return KLDR_ERR_ARCH_CPU_NOT_COMPATIBLE;
-
-    /* exact match is nice. */
-    if (enmCodeCpu == enmCpu)
-        return 0;
-    switch (enmArch)
-    {
-        case KLDRARCH_X86_16:
-            if (enmCpu < KLDRCPU_FIRST_X86_16 || enmCpu > KLDRCPU_LAST_X86_16)
-                return KLDR_ERR_INVALID_PARAMETER;
-
-            /* intel? */
-            if (enmCodeCpu <= KLDRCPU_CORE2_16)
-            {
-                /* also intel? */
-                if (enmCpu <= KLDRCPU_CORE2_16)
-                    return enmCodeCpu <= enmCpu ? 0 : KLDR_ERR_ARCH_CPU_NOT_COMPATIBLE;
-                switch (enmCpu)
-                {
-                    case KLDRCPU_K6_16:
-                        return enmCodeCpu <= KLDRCPU_I586 ? 0 : KLDR_ERR_ARCH_CPU_NOT_COMPATIBLE;
-                    case KLDRCPU_K7_16:
-                    case KLDRCPU_K8_16:
-                    default:
-                        return enmCodeCpu <= KLDRCPU_I686 ? 0 : KLDR_ERR_ARCH_CPU_NOT_COMPATIBLE;
-                }
-            }
-            /* amd */
-            return enmCpu >= KLDRCPU_K6_16 && enmCpu <= KLDRCPU_K8_16
-                    ? 0 : KLDR_ERR_ARCH_CPU_NOT_COMPATIBLE;
-
-        case KLDRARCH_X86_32:
-            if (enmCpu < KLDRCPU_FIRST_X86_32 || enmCpu > KLDRCPU_LAST_X86_32)
-                return KLDR_ERR_INVALID_PARAMETER;
-
-            /* blend? */
-            if (enmCodeCpu == KLDRCPU_X86_32_BLEND)
-                return 0;
-
-            /* intel? */
-            if (enmCodeCpu <= KLDRCPU_CORE2_32)
-            {
-                /* also intel? */
-                if (enmCpu <= KLDRCPU_CORE2_32)
-                    return enmCodeCpu <= enmCpu ? 0 : KLDR_ERR_ARCH_CPU_NOT_COMPATIBLE;
-                switch (enmCpu)
-                {
-                    case KLDRCPU_K6:
-                        return enmCodeCpu <= KLDRCPU_I586 ? 0 : KLDR_ERR_ARCH_CPU_NOT_COMPATIBLE;
-                    case KLDRCPU_K7:
-                    case KLDRCPU_K8_32:
-                    default:
-                        return enmCodeCpu <= KLDRCPU_I686 ? 0 : KLDR_ERR_ARCH_CPU_NOT_COMPATIBLE;
-                }
-            }
-            /* amd */
-            return enmCpu >= KLDRCPU_K6 && enmCpu <= KLDRCPU_K8_32
-                    ? 0 : KLDR_ERR_ARCH_CPU_NOT_COMPATIBLE;
-
-        case KLDRARCH_AMD64:
-            if (enmCpu < KLDRCPU_FIRST_AMD64 || enmCpu > KLDRCPU_LAST_AMD64)
-                return KLDR_ERR_INVALID_PARAMETER;
-
-            /* blend? */
-            if (enmCodeCpu == KLDRCPU_AMD64_BLEND)
-                return 0;
-            /* this is simple for now. */
-            return KLDR_ERR_ARCH_CPU_NOT_COMPATIBLE;
-
-        default:
-            break;
-    }
-    return KLDR_ERR_ARCH_CPU_NOT_COMPATIBLE;
-}
-
-
-/**
- * Gets the arch+cpu of the calling cpu.
- *
- * @param   penmArch    Where to store the cpu architecture.
- * @param   penmCpu     Where to store the cpu brand/model.
- */
-void kLdrGetArchCpu(PKLDRARCH penmArch, PKLDRCPU penmCpu)
-{
-#ifdef __AMD64__
-    *penmArch = KLDRARCH_AMD64;
-    *penmCpu = KLDRCPU_AMD64_BLEND; /** @todo check it using cpu. */
-
-#elif defined(__X86__)
-    *penmArch = KLDRARCH_X86_32;
-    *penmCpu = KLDRCPU_X86_32_BLEND; /** @todo check it using cpu. */
-
-#else
-# error "Port me"
-#endif
-}