53 lines
1.2 KiB
C++
53 lines
1.2 KiB
C++
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#include "TegraDetector.h"
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#include <zlib.h>
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#include <string.h>
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#define KERNEL_CONFIG "/proc/config.gz"
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#define KERNEL_CONFIG_MAX_LINE_WIDTH 512
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#define KERNEL_CONFIG_TEGRA_MAGIC "CONFIG_ARCH_TEGRA=y"
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#define KERNEL_CONFIG_TEGRA2_MAGIC "CONFIG_ARCH_TEGRA_2x_SOC=y"
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#define KERNEL_CONFIG_TEGRA3_MAGIC "CONFIG_ARCH_TEGRA_3x_SOC=y"
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#define MAX_DATA_LEN 4096
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int DetectTegra()
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{
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int result = TEGRA_NOT_TEGRA;
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gzFile kernelConfig = gzopen(KERNEL_CONFIG, "r");
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if (kernelConfig != 0)
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{
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char tmpbuf[KERNEL_CONFIG_MAX_LINE_WIDTH];
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const char *tegra_config = KERNEL_CONFIG_TEGRA_MAGIC;
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const char *tegra2_config = KERNEL_CONFIG_TEGRA2_MAGIC;
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const char *tegra3_config = KERNEL_CONFIG_TEGRA3_MAGIC;
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int len = strlen(tegra_config);
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int len2 = strlen(tegra2_config);
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int len3 = strlen(tegra3_config);
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while (0 != gzgets(kernelConfig, tmpbuf, KERNEL_CONFIG_MAX_LINE_WIDTH))
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{
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if (0 == strncmp(tmpbuf, tegra_config, len))
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{
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result = 1;
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}
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if (0 == strncmp(tmpbuf, tegra2_config, len2))
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{
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result = 2;
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break;
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}
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if (0 == strncmp(tmpbuf, tegra3_config, len3))
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{
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result = 3;
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break;
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}
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}
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gzclose(kernelConfig);
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}
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else
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{
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result = TEGRA_DETECTOR_ERROR;
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}
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return result;
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}
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