target-xtensa: implement CPENABLE and PRID SRs
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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@ -55,6 +55,7 @@ static void xtensa_init(ram_addr_t ram_size,
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exit(1);
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}
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qemu_register_reset(xtensa_sample_reset, env);
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env->sregs[PRID] = n;
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}
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ram = g_malloc(sizeof(*ram));
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@ -118,12 +118,14 @@ enum {
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DEPC = 192,
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EPS2 = 194,
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EXCSAVE1 = 209,
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CPENABLE = 224,
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INTSET = 226,
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INTCLEAR = 227,
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INTENABLE = 228,
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PS = 230,
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EXCCAUSE = 232,
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CCOUNT = 234,
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PRID = 235,
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EXCVADDR = 238,
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CCOMPARE = 240,
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};
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@ -101,12 +101,14 @@ static const char * const sregnames[256] = {
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[EXCSAVE1 + 4] = "EXCSAVE5",
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[EXCSAVE1 + 5] = "EXCSAVE6",
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[EXCSAVE1 + 6] = "EXCSAVE7",
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[CPENABLE] = "CPENABLE",
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[INTSET] = "INTSET",
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[INTCLEAR] = "INTCLEAR",
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[INTENABLE] = "INTENABLE",
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[PS] = "PS",
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[EXCCAUSE] = "EXCCAUSE",
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[CCOUNT] = "CCOUNT",
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[PRID] = "PRID",
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[EXCVADDR] = "EXCVADDR",
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[CCOMPARE] = "CCOMPARE0",
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[CCOMPARE + 1] = "CCOMPARE1",
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@ -476,6 +478,10 @@ static void gen_wsr_ps(DisasContext *dc, uint32_t sr, TCGv_i32 v)
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gen_jumpi_check_loop_end(dc, -1);
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}
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static void gen_wsr_prid(DisasContext *dc, uint32_t sr, TCGv_i32 v)
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{
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}
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static void gen_wsr_ccompare(DisasContext *dc, uint32_t sr, TCGv_i32 v)
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{
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uint32_t id = sr - CCOMPARE;
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@ -502,6 +508,7 @@ static void gen_wsr(DisasContext *dc, uint32_t sr, TCGv_i32 s)
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[INTCLEAR] = gen_wsr_intclear,
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[INTENABLE] = gen_wsr_intenable,
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[PS] = gen_wsr_ps,
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[PRID] = gen_wsr_prid,
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[CCOMPARE] = gen_wsr_ccompare,
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[CCOMPARE + 1] = gen_wsr_ccompare,
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[CCOMPARE + 2] = gen_wsr_ccompare,
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